Durajoin Aluminium Windows and Doors

Category: Window Guide

  • What Window Glazing Options Mean for Your Home’s Security Rating

    What Window Glazing Options Mean for Your Home’s Security Rating

    Durajoin · Home Security Decoder

    Most of us lock the front door without a second thought — but how much thought have you given to the glass in your windows? In the UK, police data consistently shows that windows and doors are the primary entry points for opportunistic burglars. The frame can be rock-solid, the locks can be top-grade, but if the glazing shatters at the first tap of a screwdriver the whole system fails. That’s why understanding your glazing options isn’t a technical nicety — it’s the difference between a home that’s genuinely secure and one that merely looks the part.

    At Durajoin, every replacement windows order we process is specified for security from the outset. This guide decodes the main glazing types, explains the UK standards that matter, and helps you choose secure windows for home use with total confidence.

    The Glass Types — Decoded

    Large double-glazed sliding patio doors in a modern living room, highlighting the thick glass and secure aluminium frame for home protection.

    Standard Float Glass (Annealed)

    Security: Very Low

    This is ordinary glass — the stuff found in old single-glazed windows. It breaks easily into large, dangerous shards and offers virtually zero resistance to forced entry. If your home still has single-glazed sash windows or older casement windows with float glass, they’re a serious weak point. Upgrading is one of the strongest reasons behind the flood of UK searches for replacement windows, window replacement, and window glass replacement.

    Toughened (Tempered) Glass

    Security: Moderate

    Toughened glass windows are heat-treated to be around four to five times stronger than standard glass. When they do break, they shatter into small, relatively safe cubes rather than jagged shards — which is why building regulations require them in “critical locations” like low-level panels and glass beside doors. Toughened glass resists accidental impacts well, but it can still be defeated quickly by a determined intruder using a sharp, pointed tool. It’s a safety glass, not a security glass (The Crime Prevention Website).

    Laminated Glass

    Security: High

    Laminated glass windows are the real game-changer for home security. Two (or more) sheets of glass are bonded together with a tough PVB (polyvinyl butyral) interlayer. When struck, the glass cracks but the interlayer holds everything together — much like a car windscreen after an impact. An intruder can’t simply punch a hole and reach through to the handle. The standard domestic specification is 6.4 mm laminated glass, which meets BS EN 356 Class P1A and is the minimum recommended for any easily accessible window or door (Secured by Design). Durajoin specifies laminated glass as standard on all ground-floor and accessible glazing.

    PAS 24 Certified Glazing (within a complete unit)

    Security: Maximum (UK Standard)

    PAS 24 isn’t a glass type — it’s a whole-unit security test. The frame, hardware, locks, hinges, and glazing are all tested together under simulated break-in conditions. A product either passes or fails; there’s no sliding scale. Under Part Q of UK building regulations, all easily accessible windows and doors in new builds must be PAS 24 certified. Durajoin’s PAS 24 windows and Secured by Design windows meet or exceed this standard across every frame material and style (Eurocell).

    double glazing options installed in home with massive size
    Durajoin insight: Secured by Design (SBD) is the official UK police initiative for crime prevention through design. It goes beyond PAS 24 — manufacturers must pass ongoing factory audits and re-testing to maintain SBD status. When you see the SBD “Police Preferred Specification” logo on Durajoin windows, you’re getting a level of security that’s been independently verified and continuously monitored (Mercury Glazing).

    Beyond the Glass: Locks, Frames, and the Complete Picture

    The best laminated glass in the world won’t help if the frame can be levered apart or the handle snapped off. That’s why Durajoin takes a whole-unit approach — every window is specified as a system. Our security range includes multi-point window locks, sash window locks, burglar proof windows hardware, window security film options, window restrictors child safety devices, and window sensor alarm integration. Frames are available in uPVC windows (reinforced with steel or aluminium internals), aluminium windows (inherently strong and warp-resistant), timber windows, wooden windows, composite windows, aluminium clad timber windows, slim frame aluminium windows, steel windows, Crittall style windows, heritage windows, and wood effect uPVC windows. Every material can achieve PAS 24 when paired with the right glazing and hardware.

    Energy Efficiency: Security’s Silent Partner

    Here’s something that surprises many homeowners: upgrading for security almost always improves energy efficiency too. Laminated glass within a modern double glazed windows or triple glazed windows unit — combined with Low-E glass windows, argon gas filled windows, and warm edge spacer bars — delivers outstanding thermal performance alongside its security benefits. According to the Energy Saving Trust, windows account for up to 25 % of a home’s heat loss. Durajoin specifies energy efficient windows with A rated windows performance as standard, and we’ll explain window U-values explained, window energy rating explained, solar heat gain coefficient windows, what is a window energy rating, double glazing vs triple glazing, secondary glazing vs double glazing, secondary glazing cost, best windows for insulation, and Part L building regulations glazing so you maximise both protection and savings.

    Sound, Style, and Smart Technology

    Laminated acoustic glass doubles as noise reduction — its PVB interlayer dampens sound waves as well as holding glass fragments together. Ask Durajoin about soundproof windows, noise reducing windows, acoustic glazing, secondary glazing for noise, triple glazing noise reduction, dB rating windows, best windows for noise reduction, and windows for busy road specs.

    For style, Durajoin fits every window type: casement windows, sash windows, sliding sash windows, tilt and turn windows, bay windows, bow windows, picture windows, awning windows, hopper windows, sliding windows, skylight windows, roof windows, dormer windows, lantern roof windows, fixed windows, arched windows, circular windows, clerestory windows, oriel windows, porthole windows, corner windows, floor to ceiling windows, Georgian bar windows, astragal bar windows, leaded windows, stained glass windows, flush casement windows, Juliet balcony window, decorative window glass, obscure glass bathroom window, frosted window glass, cottage style windows, period style windows, modern window design, and traditional window design. Colour options span anthracite grey windows, black window frames, white uPVC windows, coloured window frames, dual colour windows, RAL colour windows, wood effect uPVC windows, best window colours 2025, chamfered vs sculptured windows, window handle styles, and full window colour options. Smart extras include self cleaning glass windows, electric opening windows, smart window blinds, integrated blinds in glazing, rain sensor windows, electrochromic smart glass, and solar control glass.

    Durajoin caters to every room and scenario: bathroom windows ventilation, kitchen window ideas, loft conversion windows, extension windows, conservatory replacement windows, garage conversion windows, office window replacement, basement windows egress, windows for listed buildings, windows for period properties, windows for coastal homes, new build windows, and retrofit windows older house projects.

    Large double-glazed bifold doors with slim dark aluminium frames partially folded open, connecting a modern indoor living space to an outdoor patio and garden.

    Kerb Appeal, Property Value, and the Colours That Sell

    Security upgrades add real resale value. Research covering over 1,000 UK property listings found that a blue front door can add up to £4,000 to a home’s value, red around £1,800, and black approximately £1,000 (London Door Company). Properties with red, grey, and black doors consistently sell at the highest average prices (Chancellors). Timeless neutrals — white, black, and slate grey — appeal to the broadest buyer pool (Zoopla). Pair coordinated secure windows with a well-chosen front door and your kerb appeal front door impression soars. New windows can add 5–10 % to a UK property’s value — a potential £5,000 to £15,000 uplift (SEH BAC). That’s why do new windows add value to house, increase home value with new windows, EPC rating improve with new windows, and energy performance certificate windows are so popular.

    Doors, Windows, and the Whole-House Shield

    A secure window is only as strong as the weakest opening in your home. Durajoin supplies doors and windows as a complete security package: energy efficient doors and windows, uPVC doors and windows, aluminium doors and windows, timber doors and windows, and Secured by Design doors and windows. Searching for new doors and windows for house, new windows for house, doors and windows prices, a doors and windows package deal, doors and windows finance, doors and windows for new build, doors and windows for extension, replace all doors and windows cost, doors and windows near me, or best doors and windows company UK? Durajoin delivers matching doors and windows with consistent PAS 24 security throughout — because one weak link undoes the whole chain. Whether it’s a home renovation doors and windows refresh or a broader spring home improvement project, Durajoin ensures every entry point is covered.

    Regulations, Guarantees, and Compliance

    Every window replacement in England and Wales must satisfy building regulations for windows, Part L windows building regulations, Part Q security doors windows, and building regulations doors and windows. Durajoin ensures full compliance — FENSA registered window installer, CERTASS window installer, FENSA registration check, CERTASS vs FENSA guidance, building control sign off windows, scaffold for window installation, window installation checklist precision, and every certificate (what certificates do I get with new windows, FENSA certificate lost replacements). For do I need planning permission for new windows, conservation area replacement windows rules, conservation area window rules, listed building window replacement, do bay windows need planning permission, escape windows building regs, permitted development doors windows, minimum window size building regulations, window to wall ratio building regs, bay window structural support, and window lintel requirements — Durajoin manages it all.

    Durajoin provides double glazing warranty, insurance backed guarantee windows, and clear answers on window guarantee how long, what does window guarantee cover, and window warranty transferable new owner. We handle sizing (standard window sizes UK, bay window dimensions, bespoke windows, custom size windows, non standard window sizes) and maintenance queries too: how to fix misted double glazing, how to fix a window that won’t close, how to clean uPVC window frames, window seal replacement, window hinge replacement, window handle replacement, sash window repair, sash window draught proofing, wooden window restoration, resealing windows, replace glass or whole window, emergency window repair, condensation between window panes, window condensation causes, why are my new windows misty, why is there condensation inside my windows, will new windows stop condensation, do trickle vents have to be open, and trickle vents explained.

    FAQs Durajoin Answers Every Week

    Are triple glazed windows worth it for security?

    Triple glazing adds an extra barrier, but laminated glass is the single most important security upgrade — available in both double and triple configurations.

    Yes — Durajoin recommends starting with ground-floor and easily accessible windows first.

    Most rooms take a single day.

    Spraying is possible, but full replacement delivers PAS 24 security you can’t retrofit.

    Not with modern thermal-break profiles — and they’re inherently strong for security.

    PAS 24 certification, laminated glass, multi-point locks, BFRC energy rating, and a solid warranty.

    PAS 24 certification, laminated glass, multi-point locks, BFRC energy rating, and a solid warranty.

    Durajoin sends a surveyor — free of charge.

    Book a free Durajoin home survey — we assess every opening for security risk, thermal performance, and style.

    Other popular queries: how long do double glazed windows last, how often should you replace windows, how to tell if windows need replacing, local vs national window company, local window company vs national, supply only windows, trade windows vs retail, trade doors direct, buy windows online, Which? best buy windows, best double glazing companies UK, best window companies 2025, best time to buy new windows, best time to replace front door, cheaper alternative to bifold doors, home insulation options, window handle styles, ECO scheme windows, government grants for windows, free double glazing scheme, home improvement grants UK 2025, can you get grants for new windows UK, window finance options, buy now pay later windows, doors and windows finance, Black Friday doors and windows deals, January sale double glazing, winter draught proofing doors windows, secondary glazing, Part L building regulations glazing, and how often should you replace windows. Find Durajoin when you search window installation near me, window fitter near me, window companies near me, window showroom near me, double glazing near me, sash windows near me, or window repair near me — we’re the doors and windows company UK homeowners trust.

    Protect What Matters. Choose Glazing That Fights Back.

    Get a free, no-obligation security assessment and quote from Durajoin — the UK’s trusted window and door specialists.

    Get a Free Quote →
  • How to Choose the Right Window Size for Each Room in Your Home

    How to Choose the Right Window Size for Each Room in Your Home

    Durajoin · Window Sizing Guide

    A window that’s too small starves a room of daylight. One that’s too large haemorrhages heat in winter and can even breach building regulations for windows. Getting the size right — room by room — is the single most overlooked step in any window replacement project, and it’s the step that makes the biggest difference to how your home feels, performs, and sells.

    At Durajoin, every project starts with a professional survey that measures each opening to the millimetre. But it helps to walk in prepared, so this guide gives you the standard window sizes UK benchmarks, the regulations you need to satisfy, and a measuring method you can use before Durajoin’s surveyor arrives. Whether you’re pricing replacement windows for a single room or planning a whole-house new windows for house upgrade, Learn how to choose the right window size for light, ventilation, and building regulations.

    Aluminium windows London installed in home by Durajoin

    Room-by-Room: Standard UK Sizes and What to Consider

    Living Room

    Typical: 1200 × 1200 mm (single) · 1800 × 1200 mm (feature)

    Living rooms deserve the most generous glass in the house. Bay windows typically span 1,800–3,000 mm across the full projection; bow windows can be wider still. Picture windows, floor to ceiling windows, and sliding windows are all popular here, as are sliding patio door and French patio door openings that connect the room to the garden. Durajoin can also install a Juliet balcony window for first-floor living rooms that crave an open-air feel without a structural balcony (Harrington Windows).

    Bedrooms

    Typical: 1200 × 1050 mm

    Bedroom windows must balance light, privacy, and fire safety. Under Approved Document B, any bedroom window used as an emergency escape must have a clear openable area of at least 0.33 m², with no dimension below 450 mm — a critical escape windows building regs requirement. Casement windows that open fully outward satisfy this most easily. Tilt and turn windows are ideal for upper-floor bedrooms where you want a secure tilt position for overnight ventilation plus a full-open mode for cleaning and escape. Durajoin fits window restrictors child safety devices as standard on every bedroom window.

    Kitchen

    Typical: 1000 × 1000 mm or 1200 × 600 mm (above worktop)

    Kitchen windows sit above worktops, so height is constrained by cabinet and countertop dimensions. Wider, shorter panes — around 1,200 × 600 mm — are common. Good ventilation matters here for steam and cooking odours, making casement windows, awning windows, and tilt and turn windows popular choices. Explore Durajoin’s kitchen window ideas for inspiration, from flush casement windows in anthracite grey windows to Georgian bar windows that suit farmhouse kitchens.

    Bathroom

    Typical: 600 × 900 mm

    Bathrooms have the smallest windows in most homes — privacy is the priority. Specify obscure glass bathroom window or frosted window glass as standard, and ensure bathroom windows ventilation requirements are met with either an opening sash or trickle vents explained-compliant passive ventilation (and yes, do trickle vents have to be open? They should be, to satisfy building regulations). Hopper windows and small awning windows work brilliantly in tight bathroom spaces.

    Loft Conversion

    Varies: roof pitch and head height dictate size

    Loft conversion windows are governed by pitch angle, head height (minimum 2 m after floor build-up), and escape windows building regs. You’ll typically need skylight windows, roof windows, or dormer windows. Larger openings may require lantern roof windows or a Juliet balcony window. Durajoin handles bay window structural support, window lintel requirements, scaffold for window installation, and building control sign off windows paperwork — so you focus on enjoying the extra space.

    Extensions & Conservatories

    Custom: driven by architect’s glazing plan

    Extension windows, conservatory replacement windows, garage conversion windows, and doors and windows for extension projects follow the architect’s design rather than standard sizes. Under the 2022 Approved Document O updates, large glazed areas must now satisfy overheating calculations — meaning solar control glass, Low-E glass windows, and orientation-matched specs are essential. Durajoin manages the glazing plan, window to wall ratio building regs, minimum window size building regulations, and Part L building regulations glazing compliance from day one.

    Aluminium sliding window installed in London home by Durajoin

    📐 How to Measure Before Durajoin’s Surveyor Arrives

    Grab a metal tape measure and head outside — external measurements are the most accurate. Measure the width at three points (top, middle, bottom) and the height at three points (left, centre, right). Use the smallest figure for each — openings are rarely perfectly square. Then measure diagonally corner to corner both ways; if the two diagonals differ by more than 10 mm, flag it for Durajoin’s surveyor. Finally, note the depth of the reveal (the distance from the outer wall face to the inner plaster line), as this determines which frame profile fits. Durajoin always conducts its own precision survey before ordering — but your measurements give us a useful head start and help you compare window price calculator estimates online.

    Standard vs. Bespoke: Cost and Availability

    Standard window sizes UK are typically 20–50 % cheaper than custom size windows because manufacturers stock the profiles and glass units in bulk. That said, many older UK homes — especially Victorian and Edwardian terraces — have openings that don’t conform to modern standards. In those cases, bespoke windows and non standard window sizes are the only route to a proper fit. Durajoin manufactures to order, so whether your openings are standard or wildly irregular, you’ll get a window that’s built to your bay window dimensions, sash window proportions, or arched windows profile — no fillers, no compromises.

    Cost is always a factor. That’s why how much do new windows cost, double glazing prices, triple glazing prices, window installation cost, cost of new windows for whole house, bay window cost, sash window replacement cost, aluminium windows cost per window, window price per square metre, skylight installation cost, secondary glazing cost, cheap double glazing, affordable replacement windows, do new windows reduce energy bills, how much do new windows save on heating, and how to reduce heating bills are among the most-searched UK phrases. People want value — and Durajoin delivers transparent, itemised quotes with no surprises.

    Frame Materials and Every Style Under the Sun

    Durajoin offers uPVC windows, aluminium windows, timber windows, wooden windows, composite windows, aluminium clad timber windows, slim frame aluminium windows, steel windows, Crittall style windows, heritage windows, and wood effect uPVC windows — in every size from a small bathroom hopper to a full-width living-room bay. Wondering about uPVC vs aluminium windows, timber vs uPVC windows, aluminium vs timber windows, composite vs uPVC windows, best window frame material, most energy efficient window material, or which windows last longest? Durajoin advises honestly — including window U-values explained, window energy rating explained, solar heat gain coefficient windows, what is a window energy rating, double glazing vs triple glazing, secondary glazing vs double glazing, and best windows for insulation.

    Durajoin offers uPVC windows, aluminium windows, timber windows, wooden windows, composite windows, aluminium clad timber windows, slim frame aluminium windows, steel windows, Crittall style windows, heritage windows, and wood effect uPVC windows — in every size from a small bathroom hopper to a full-width living-room bay. Wondering about uPVC vs aluminium windows, timber vs uPVC windows, aluminium vs timber windows, composite vs uPVC windows, best window frame material, most energy efficient window material, or which windows last longest? Durajoin advises honestly — including window U-values explained, window energy rating explained, solar heat gain coefficient windows, what is a window energy rating, double glazing vs triple glazing, secondary glazing vs double glazing, and best windows for insulation.

    Energy, Security, Sound, and Smart Tech

    Size affects thermal performance: larger windows let in more light but also more potential heat loss. Durajoin counters this with energy efficient windows specified with A rated windows performance, double glazed windows or triple glazed windows, Low-E glass windows, argon gas filled windows, and warm edge spacer bars. According to the Energy Saving Trust, windows account for up to 25 % of a home’s heat loss — so the right glazing spec makes a huge difference regardless of size.

    Security: PAS 24 windows, Secured by Design windows, laminated glass windows, toughened glass windows, multi-point window locks, burglar proof windows, sash window locks, window security film, window sensor alarm, and secure windows for home. Sound: soundproof windows, noise reducing windows, acoustic glazing, secondary glazing for noise, triple glazing noise reduction, dB rating windows, best windows for noise reduction, and windows for busy road. Smart features: self cleaning glass windows, electric opening windows, smart window blinds, integrated blinds in glazing, rain sensor windows, electrochromic smart glass, and solar control glass.

    Colour, Kerb Appeal, and Resale Value

    Well-proportioned windows boost kerb appeal more than almost any other exterior detail. Research covering over 1,000 UK property listings found that a blue front door can add up to £4,000 to a home’s value, red around £1,800, and black approximately £1,000 (London Door Company). Properties with red, grey, and black doors consistently sell at the highest average prices (Chancellors). Timeless neutrals appeal to the broadest buyer pool (Zoopla). New windows can add 5–10 % to a UK property’s value (SEH BAC).

    Durajoin offers anthracite grey windows, black window frames, white uPVC windows, coloured window frames, dual colour windows, RAL colour windows, wood effect uPVC windows, best window colours 2025, chamfered vs sculptured windows, window handle styles, and full window colour options. That’s why kerb appeal front door, do new windows add value to house, increase home value with new windows, EPC rating improve with new windows, energy performance certificate windows, and do new windows add value to house are such popular searches.

    How to Choose the Right Window Size - premium window design showcase

    Doors, Windows, and the Full Package

    Durajoin supplies doors and windows as a coordinated solution: energy efficient doors and windows, uPVC doors and windows, aluminium doors and windows, timber doors and windows, and Secured by Design doors and windows. Searching for new doors and windows for house, doors and windows prices, a doors and windows package deal, doors and windows finance, doors and windows for new build, doors and windows for extension, replace all doors and windows cost, doors and windows near me, or best doors and windows company UK? Durajoin delivers matching doors and windows — coordinated in colour, material, and proportion — for a seamless home renovation doors and windows result. A spring home improvement project or a pre-winter winter draught proofing doors windows push both benefit from Durajoin’s whole-house sizing expertise.

    Regulations, Guarantees, and Compliance

    Every window replacement must satisfy Part L windows building regulations, Part L building regulations glazing, Part Q security doors windows, building regulations doors and windows, and building regulations for windows. Durajoin handles FENSA registered window installer compliance, CERTASS window installer certification, FENSA registration check, CERTASS vs FENSA guidance, building control sign off windows, scaffold for window installation, window installation checklist precision, and all certificates (what certificates do I get with new windows, FENSA certificate lost). For do I need planning permission for new windows, conservation area replacement windows rules, conservation area window rules, listed building window replacement, do bay windows need planning permission, and permitted development doors windows — Durajoin manages it all.

    Guarantees: double glazing warranty, insurance backed guarantee windows, window guarantee how long, what does window guarantee cover, window warranty transferable new owner. Maintenance and repair: how to fix misted double glazing, how to fix a window that won’t close, how to clean uPVC window frames, window seal replacement, window hinge replacement, window handle replacement, sash window repair, sash window draught proofing, wooden window restoration, resealing windows, replace glass or whole window, emergency window repair, condensation between window panes, window condensation causes, why are my new windows misty, why is there condensation inside my windows, will new windows stop condensation, do trickle vents have to be open, and trickle vents explained.

    FAQs Durajoin Answers Every Week

    Are triple glazed windows worth it?

    Often — especially for larger north-facing openings where heat retention matters most.

    Yes — Durajoin phases projects to suit any budget.

    Most rooms take a single day.

    Spraying is possible, but replacement gives better energy, security, and sizing accuracy.

    Not with modern thermal-break profiles.

    Correct sizing first, then U-value, BFRC rating, PAS 24 security, and warranty.

    A label from A++ to E covering the full window’s thermal efficiency.

    See our measuring tip above — then let Durajoin’s surveyor verify for free.

    Book a free Durajoin home survey — we assess every opening for size, style, and performance.

    Other popular queries: how long do double glazed windows last, how often should you replace windows, how to tell if windows need replacing, local vs national window company, local window company vs national, supply only windows, trade windows vs retail, trade doors direct, buy windows online, Which? best buy windows, best double glazing companies UK, best window companies 2026, best time to buy new windows, best time to replace front door, cheaper alternative to bifold doors, home insulation options, window handle styles, secondary glazing, ECO scheme windows, government grants for windows, free double glazing scheme, home improvement grants UK 2025, can you get grants for new windows UK, window finance options, buy now pay later windows, doors and windows finance, Black Friday doors and windows deals, January sale double glazing, and how often should you replace windows. Find Durajoin when you search window installation near me, window fitter near me, window companies near me, window showroom near me, double glazing near me, sash windows near me, or window repair near me — the doors and windows company UK homeowners trust.

    Not Sure What Size You Need? Let Durajoin Measure It Perfectly.

    Get a free, no-obligation home survey and quote from the UK’s trusted window and door specialists.

    Get a Free Quote →
  • When Standard Won’t Fit: The Case for Bespoke Windows in UK Homes

    When Standard Won’t Fit: The Case for Bespoke Windows in UK Homes

    DuraJoin · Bespoke Windows Guide

    Most replacement windows sold in the UK are manufactured in standard sizes. That works beautifully for post-war semis with uniform openings and modern new-builds designed around factory dimensions. But Britain has 29 million homes — and a huge number of them refuse to conform. Victorian terraces with non-square frames. Georgian townhouses where every window is a slightly different size. Barn conversions with openings that follow the roofline. Self-builds with architectural ambitions. Listed buildings where every millimetre matters.

    For these homes, bespoke windows — made to measure, designed to specification — aren’t an indulgence. They’re the only path to a window replacement that actually fits, performs, and looks right. This guide explains when you need them, what they cost, and how to avoid the expensive mistakes we see homeowners make.

    Aluminium Casement Window Installation London by Durajoin

    Five Situations Where Bespoke Is the Only Answer – The Case for Bespoke Windows

    Stories from real UK homes

    01
    The Victorian terrace with no two openings the sameBrixton, South London

    The problem

    A homeowner searched for replacement windows near me and received quotes based on standard sash windows sizes. When the surveyor arrived, every opening was different — some by 30mm, one by nearly 80mm. Standard sizes would have meant either visible gaps packed with filler, or cutting into the brickwork. Neither was acceptable in a conservation area.

    The bespoke solution

    Bespoke windows — custom size windows in timber, each individually measured and crafted to match the original sliding sash windows profiles. Heritage windows with astragal bar windows detailing, slim double glazing, and sash window locks. The result met conservation area window rules, conservation area replacement windows rules, and listed building window replacement requirements — and the house sold for 12% above asking six months later.

    02
    The barn conversion with arched and circular openingsCotswolds, Gloucestershire

    The problem

    The architect specified arched windows, circular windows, and full-height fixed windows to follow the roofline. No standard catalogue covers these shapes. The homeowner also wanted floor to ceiling windows in the main living space and a Juliet balcony window for the master bedroom.

    The bespoke solution

    Bespoke windows in slim frame aluminium windows — each fabricated to the architect’s exact drawings. Triple glazed windows with solar control glass for the south-facing elevation. Porthole windows in the bathroom. Every frame in anthracite grey windows with RAL colour windows precision matching. The barn is now featured on a local architecture tour.

    03
    The Edwardian semi with a failing bay windowHarrogate, North Yorkshire

    The problem

    The original bay windows had rotted beyond repair, and bay window structural support work was needed. Standard bay units couldn’t match the bay window dimensions of the original 1905 design — the angles were non-standard. Do bay windows need planning permission for replacement? In this case, no — the new bay replicated the original.

    The bespoke solution

    Custom-built bay windows in timber windows, made to the exact angles and proportions of the originals. Georgian bar windows and leaded windows in the upper panes. New window lintel requirements met. The kerb appeal transformation was immediate — the estate agent revalued the property upward by £18,000.

    04
    The self-build with an architect’s dream specificationDevon coast

    The problem

    A new build designed for maximum light: corner windows, clerestory windows, an oriel window cantilevered over the entrance, and a 6-metre sliding patio door opening onto a coastal garden. No standard product range could deliver the architect’s vision. The spec also called for Crittall style windows alongside modern window design elements.

    The bespoke solution

    A full suite of bespoke windows in aluminium windows — black window frames inside and out for the black doors interior design aesthetic, triple-pane insulating glass for the exposed coastal elevation, and acoustic glazing for the bedroom facing the road. Windows for coastal homes require corrosion-resistant finishes — marine-grade powder coating was specified throughout.

    05
    The flat conversion where every millimetre countedEdinburgh New Town

    The problem

    A ground-floor flat conversion needed tilt and turn windows for safe ventilation (no outward swing over the pavement) and cleaning access. But the stone-framed openings were non standard window sizes — 50mm narrower than any catalogue unit. Standard windows would have left visible gaps or required cutting into the listed stonework.

    The bespoke solution

    Bespoke windows in uPVC windows with wood effect uPVC windows finish to satisfy Edinburgh’s strict heritage controls. Each window made to the exact millimetre. Window restrictors child safety and window sensor alarm fitted as standard. Result: a draught-free, secure flat that looks like it’s always had those windows.

    Bespoke vs. Standard: What You’re Actually Paying For

    The honest comparison

    Bespoke Windows

    • Fit: Made to your exact measurements — no gaps, no filler
    • Design: Unlimited shapes, profiles, colours — any RAL colour windows
    • Performance: Precision seal = superior insulation and airtightness
    • Heritage: Can replicate any period detail for windows for listed buildings
    • Cost: 20–50% more than standard, depending on complexity
    • Lead time: 4–8 weeks typical
    • Best for: Non-standard openings, period homes, architectural projects, conservation areas

    Standard Windows

    • Fit: Fixed sizes — may need adjustment to opening or frame
    • Design: Limited catalogue of styles, sizes, and finishes
    • Performance: Good — but imperfect fit can mean draughts
    • Heritage: Rarely passes conservation officer scrutiny
    • Cost: Lower upfront — but imperfect fit can cost more long-term
    • Lead time: Often available from stock
    • Best for: Modern homes with uniform openings, budget projects

    The window replacement cost for bespoke windows varies enormously. A custom uPVC casement window might cost only 20% more than its standard equivalent — say £450–£700 vs £350–£550. A bespoke timber sash window for a listed building could run £800–£1,500+ per window. Custom size windows in aluminium windows for architectural shapes sit at the premium end. The cost to replace windows, average cost to replace windows, replacement windows cost, and cost of window replacement all scale with material, complexity, and glazing specification. How much do new windows cost in total? Cost of new windows for whole house for bespoke projects ranges widely: £5,000–£30,000+ depending on property size and ambition. Use a window price calculator for ballparks and check window price per square metre for fair comparisons. Aluminium windows cost per window sits highest. Even cheap double glazing and affordable replacement windows can be made bespoke in uPVC. Spread costs with window finance options and buy now pay later windows. Window installation cost is usually included in fitted quotes.

    Does bespoke add value? Do new windows add value to house? The FMB estimates 5–10% property value uplift from new windows. Authentic Timber Windows reports that bespoke timber windows can increase a home’s value by up to 15% — particularly in heritage areas where architectural accuracy commands a premium from buyers and estate agents. That’s kerb appeal and kerb appeal front door consistency with measurable financial return. Increase home value with new windows? Bespoke does it better than standard. EPC rating improve with new windows? Yes. Energy performance certificate windows scores improve. Do new windows reduce energy bills? Significantly. How much do new windows save on heating? Enough to make the investment worthwhile over 10–15 years.

    Materials, Glazing, and Specification

    Everything can be customised — here’s what to consider

    Bespoke windows are available in every frame material: uPVC windows (white uPVC windows, wood effect uPVC windows, coloured window frames, dual colour windows), aluminium windows (slim frame aluminium windows, Crittall style windows), timber windows (wooden windows), aluminium clad timber windows, composite windows, and steel windows. The uPVC vs aluminium windows, timber vs uPVC windows, aluminium vs timber windows, composite vs uPVC windows, and best window frame material question depends on your property and priorities. Which windows last longest? Timber with care (60+ years). Most energy efficient window material? All perform well with modern glazing. Are aluminium windows cold in winter? Not with thermal breaks. Window colour options and best window colours 2025: anthracite grey, black, and heritage greens lead. Period style windows, cottage style windows, heritage windows, traditional window design, modern window design, chamfered vs sculptured windows — all achievable bespoke.

    Glazing: double glazing with Low-E glass windows, argon gas filled windows, warm edge spacer bars is standard (A rated windows). Triple glazed windows (triple glazing) pushes U-values below 1.0 — double glazing vs triple glazing? Are triple glazed windows worth it? For bespoke projects, often yes — they deliver the best windows for insulation performance. Triple glazing prices add 30–50% over double glazing prices. Window U-values explained: lower is better. Window energy rating explained: A++ to G. What is a window energy rating? Heat retention efficiency. Solar heat gain coefficient windows, solar control glass for south-facing glass. Specialist: acoustic glazing, soundproof windows, noise reducing windows, best windows for noise reduction (dB rating windows, triple glazing noise reduction, windows for busy road), self cleaning glass windows, laminated glass windows, toughened glass windows, decorative window glass, frosted window glass, obscure glass bathroom window, stained glass windows, integrated blinds in glazing, smart window blinds, electric opening windows, rain sensor windows, electrochromic smart glass. Security: PAS 24 windows, Secured by Design windows, window locks, window security film, secure windows for home, burglar proof windows. Trickle vents explained: ventilation slots required by building regulations for windows. Do trickle vents have to be open? Yes. Will new windows stop condensation? On glass, mostly — window condensation causes include humidity. Why is there condensation inside my windows / why are my new windows misty? Failed seal (condensation between window panes).

    uPVC windows and doors London

    Installation, Regulations, and Certificates

    The framework that protects your investment

    All window installation must comply with building regulations for windows — Part L windows building regulations, Part L building regulations glazing, and Part Q security doors windows. Use a FENSA registered window installer or CERTASS window installer. CERTASS vs FENSA? Both equally valid — check via FENSA registration check. What certificates do I get with new windows? FENSA/CERTASS certificate, warranty, insurance backed guarantee windows. Ask window guarantee how long, what does window guarantee cover, window warranty transferable new owner, double glazing warranty. FENSA certificate lost? Replaceable. Building control sign off windows isn’t needed with a registered installer. Building regulations doors and windows compliance is non-negotiable.

    Do I need planning permission for new windows? Usually not under permitted development doors windows — but conservation area window rules, conservation area replacement windows rules, listed building window replacement always need consent. Bespoke windows are specifically designed to meet these requirements. Standard window sizes UK vs non standard window sizes is the very reason bespoke exists. How to measure for replacement windows? For bespoke, your installer does a precision survey — millimetre accuracy matters. Scaffold for window installation may be needed. How long to install new windows? Lead time for bespoke is 4–8 weeks; installation itself is similar to standard. Minimum window size building regulations, window to wall ratio building regs, escape windows building regs, window lintel requirements, and bay window structural support all apply to new openings.

    Search window installation near me, window fitter near me, window companies near me, double glazing near me, sash windows near me, window showroom near me. Get three quotes minimum. Local vs national window company (local window company vs national) — for bespoke work, specialists often outperform generalists. Check best double glazing companies UK, best window companies 2025, Which? best buy windows, best doors and windows company UK. Window installation checklist keeps you organised. Trade windows vs retail, supply only windows, buy windows online, trade doors direct — these can work for standard sizes but bespoke usually requires a full survey-to-installation service.

    Maintenance and the Long View

    Built to last — with the right care

    How to clean uPVC window frames? Soapy water. How long do double glazed windows last? 20–30 years for uPVC, 40+ for aluminium, 60+ for timber. How often should you replace windows? When repair becomes impractical. How to tell if windows need replacing? Draughts, failed seals, difficulty opening. Smaller fixes: window seal replacement, window handle replacement (window handle styles), window hinge replacement, resealing windows, sash window repair, sash window draught proofing, wooden window restoration. How to fix misted double glazing? Replace the sealed unit. How to fix a window that won’t close? Mechanism issue. Replace glass or whole window? If frames are sound, window glass replacement near me / window glass replacement saves money. Window screen replacement, window repair near me, emergency window repair. Can I change window colour without replacing? Sometimes. Can I replace one window at a time? Yes — though bespoke consistency means doing a full set is usually smarter. What to look for when buying windows and how to choose the right windows for my house — always start with a proper survey, especially for bespoke.

    Bespoke Windows as Part of a Complete Home

    One upgrade leads to the next

    Homeowners investing in bespoke windows almost always extend the project to include doors and the wider frontage. Window replacement near me, windows replacement near me, front doors near me, garage doors near me, doors and windows near me — these searches cluster because people want a doors and windows company that handles everything. Composite entrance doors, French double front doors, modern double front doors, wood front entry doors, steel double front doors, entry door with decorative glass, sliding patio door, French patio door, garage door repairs, garage door installation, black doors interior design — all part of the same vision.

    Whether it’s matching doors and windows, doors and windows package deal, doors and windows prices, new doors and windows for house, uPVC doors and windows, aluminium doors and windows, timber doors and windows, energy efficient doors and windows, Secured by Design doors and windows, doors and windows for new build, doors and windows for extension, replace all doors and windows cost, doors and windows finance, home renovation doors and windows, window replacement service, vinyl replacement windows, best replacement windows, new windows for house, replace windows, double glazing, secondary glazing (secondary glazing vs double glazing, secondary glazing cost, secondary glazing for noise), window screen replacement, ENERGY STAR rated windows, low-e glazing, energy efficient windows near me, window replacement, replacement windows, replacement windows cost, cost of window replacement, average cost to replace windows, window replacement cost, window glass replacement near me — all reflect the same five homeowner priorities: cost, local availability, materials, energy efficiency, and style.

    Other window styles: casement windows, flush casement windows, sash windows, sliding sash windows, tilt and turn windows, bay windows (sash window replacement cost, bay window cost), bow windows, oriel windows, picture windows, fixed windows, awning windows, hopper windows, sliding windows, skylight windows, roof windows (skylight installation cost), dormer windows, lantern roof windows. Situations: bathroom windows ventilation, kitchen window ideas, loft conversion windows, extension windows, conservatory replacement windows, garage conversion windows, basement windows egress, office window replacement, windows for period properties, new build windows. Funding: government grants for windows, ECO scheme windows, free double glazing scheme, can you get grants for new windows UK, home improvement grants UK 2025, home insulation options, how to reduce heating bills, retrofit windows older house. Timing: best time to buy new windows, spring home improvement, best time to replace front door, Black Friday doors and windows deals, January sale double glazing, winter draught proofing doors windows, cheaper alternative to bifold doors. At DuraJoin, we make bespoke simple — from first survey to final certificate.
    The bottom line Bespoke windows cost more upfront — but they fit perfectly, perform better, last longer, and often add significantly more value than standard alternatives. If your home has non-standard openings, heritage requirements, or architectural ambitions beyond what a catalogue can deliver, bespoke isn’t a luxury — it’s the smart choice. And with modern manufacturing, the premium is smaller than most people expect.

    Need Bespoke Windows for Your Home?

    Whether it’s one unusual opening or a whole property of custom-made windows — in timber, aluminium, or uPVC — DuraJoin can survey, advise, and fit. No catalogue constraints. Just windows that fit your home perfectly.

    Get a Free Quote
  • Benefits of Casement Windows: Cost, Styles & Installation Guide (2026)

    Benefits of Casement Windows: Cost, Styles & Installation Guide (2026)

    If you’re exploring options for new windows, understanding the benefits of casement windows is a great place to start. Known for their energy efficiency, security, and versatility, casement windows are one of the most practical choices for modern and traditional homes.

    In this guide, we’ll explain everything you need to know — including types, advantages, and installation considerations — so you can make the right decision for your property.

    What Are Casement Windows?

    Casement windows are side-hinged windows that open outward like a door. They are widely used across UK homes because of their simple functionality and strong sealing performance.

    Key Features:

    • Hinged on the side
    • Open outward for maximum airflow
    • Secure multi-point locking system
    • Available in aluminium, uPVC, and timber

    If you’re looking for professional installation, visit our casement windows London page.

    Benefits of Casement Windows

    1. Energy Efficiency

    Casement windows create a tight seal when closed, helping reduce heat loss — ideal for London’s climate.

    2. Enhanced Security

    With advanced locking systems, they are one of the most secure window types.

    3. Modern & Classic Designs

    Suitable for:

    • Victorian homes
    • Modern apartments
    • New builds

    4. Excellent Ventilation

    They open fully, allowing maximum airflow, perfect for kitchens and living areas.

    Casement Windows Cost in London

    The cost of casement windows in London can vary depending on several factors, including:

    • Window size and design
    • Frame material (aluminium or uPVC)
    • Type of glazing
    • Installation requirements
    • Property type

    Because every project is different, it’s best to get a tailored quotation based on your exact requirements.

    Get a Free Quote for Casement Windows in London

    If you’re planning to install or replace casement windows, our team at Durajoin Aluminium Windows and Doors can help.

    ✔ Custom designs for your home
    ✔ Expert advice
    ✔ Professional installation across London

    👉 Fill out the quotation form to get your free, no-obligation quote.

    Popular Casement Window Styles in London

    1. Flush Casement Windows

    • Sleek, modern appearance
    • Sits flat within the frame

    2. French Casement Windows

    • Double opening without a central bar
    • Perfect for wide openings

    3. Top-Hung Casement Windows

    • Hinged at the top
    • Ideal for ventilation even during rain

    4. Side-Hung Casement Windows

    • Most common style
    • Easy to operate

    Aluminium vs uPVC Casement Windows

    FeatureAluminiumuPVC
    DurabilityVery HighModerate
    DesignSlim & ModernBulkier
    MaintenanceLowLow
    CostHigherAffordable

    For premium homes in London, aluminium is the preferred choice.

    Casement Window Installation in London

    Proper installation is crucial for performance and longevity.

    What to Expect:

    • Site survey and measurement
    • Removal of old windows
    • Professional installation
    • Sealing and finishing

    Installation Time: Usually 1–2 hours per window
    Always choose experienced local installers to ensure quality.

    Are Casement Windows Right for Your Home?

    Casement windows are suitable for a wide range of properties, but choosing the right style depends on your specific needs.

    They are ideal for:

    • Homes that require better ventilation
    • Properties looking to improve energy efficiency
    • Modern and traditional designs

    However, they may not be suitable for areas where outward opening space is limited.

    Understanding your property layout helps you choose the most effective window solution.

    Why Choose a Local London Supplier?

    Working with a London-based company like Durajoin Aluminium Windows and Doors ensures:

    ✔ Faster installation
    ✔ Better understanding of local property styles
    ✔ Custom aluminium casement windows
    ✔ Easy after-sales support
    ✔ Competitive pricing

    How to Choose the Right Casement Windows

    Before buying, consider:

    • Your home style (modern vs traditional)
    • Budget
    • Energy efficiency ratings
    • Frame material
    • Security features

    📞 Get Expert Advice in London

    If you’re planning to upgrade your windows, it’s best to speak with experts who understand the London market.

    At Durajoin Aluminium Windows and Doors, we offer:

    ✔ Custom aluminium casement windows
    ✔ Expert installation across London
    ✔ Free consultation & quotes

    Visit our Google Business Profile to learn more about Durajoin Aluminium Windows and Doors and see customer reviews.

    Conclusion

    Casement windows are an excellent investment for London homes, offering style, security, and energy efficiency.

    By understanding the benefits of casement windows in terms of costs, styles, and installation process, you can confidently choose the best option for your property.

  • How to Choose Aluminium Windows in London: A Complete Homeowner’s Guide

    How to Choose Aluminium Windows in London: A Complete Homeowner’s Guide

    Choosing the right windows is a major decision for any homeowner—but when you live in London, the choice becomes even more important. From changing weather conditions and energy efficiency requirements to noise control and building regulations, selecting the right aluminium windows can make a big difference to your home’s comfort and value.

    This guide explains how to choose aluminium windows in London, helping you make a confident, informed decision.

    Why Aluminium Windows Are Popular in London Homes

    Homeowners across the city are increasingly choosing aluminium windows in London because they offer the perfect balance of strength, style, and performance.

    Key benefits for London properties:

    • Slim frames that maximise natural daylight

    • Excellent durability for urban environments

    • Low maintenance and corrosion resistance

    • Modern appearance suitable for new builds and renovations

    • High energy efficiency with advanced glazing options

    Whether you live in a townhouse, apartment, or contemporary home, aluminium windows suit a wide range of London properties.

    1. Understand Your Home’s Needs in London

    Before choosing aluminium windows, consider how they will be used in your home.

    Ask yourself:

    • Is your property modern, traditional, or period-style?

    • Do you need improved sound insulation from traffic or rail noise?

    • Are you upgrading for better energy efficiency?

    • Are planning or building regulations involved?

    Choosing aluminium windows for homes in London means factoring in location, surroundings, and property type—not just appearance.

    2. Choose the Right Type of Aluminium Window

    Different window styles work better in different rooms and layouts.

    aluminium windows London

    Common aluminium window options:

    Casement Windows
    Ideal for bedrooms and kitchens, offering excellent ventilation and security.

    Sliding Windows
    Perfect for London homes with limited space, especially apartments.

    Tilt & Turn Windows
    Popular in modern London developments, combining ventilation and easy cleaning.

    Fixed / Picture Windows
    Great for maximising light and city views when ventilation is not required.

    Selecting the right configuration improves comfort and functionality.

    3. Energy Efficiency Matters in London’s Climate

    Energy efficiency is a key concern when choosing aluminium windows in London. Modern aluminium systems use thermal break technology to prevent heat loss.

    Look for:

    • Double or triple glazing

    • Low-E glass coatings

    • Thermally broken aluminium frames

    • Strong insulation ratings

    Energy-efficient aluminium windows help reduce heating costs, maintain indoor comfort, and meet UK building standards.

    4. Choose the Right Glass for Urban Living

    Glass choice plays a major role in performance—especially in busy London locations.

    Popular glazing options:

    • Double glazing for insulation

    • Triple glazing for enhanced efficiency

    • Acoustic glass for noise reduction

    • Laminated glass for added security

    • Solar control glass to reduce heat gain

    For homes near roads or rail lines, acoustic glazing can significantly improve quality of life.

    5. Security Features for London Homes

    Security is a top priority when selecting the best aluminium windows in London.

    Choose windows with:

    • Multi-point locking systems

    • Strong aluminium frames

    • Secure hinges and handles

    • Toughened or laminated glass options

    High-quality aluminium systems offer excellent protection without compromising style.

    6. Colours and Finishes That Suit London Architecture

    One major advantage of aluminium windows London homeowners love is design flexibility.

    how to choose aluminium windows in London

    You can choose:

    • Neutral tones like black, grey, or white

    • Custom RAL colours

    • Dual-colour finishes (different inside and outside)

    • Matte or textured coatings

    Choose finishes that complement your interior design and the exterior character of your property.

    7. Professional Aluminium Window Installation in London

    Even the highest-quality windows won’t perform well without proper installation.

    Professional aluminium window installation in London ensures:

    • Accurate measurements

    • Weather-tight sealing

    • Smooth window operation

    • Long-term durability and performance

    Always work with experienced installers who understand London properties and local regulations.

    8. Balancing Cost and Long-Term Value

    While aluminium windows may cost more initially, they offer excellent long-term value. Their durability, minimal maintenance, and energy efficiency make them a smart investment for London homes.

    Final Thoughts

    Knowing how to choose aluminium windows in London comes down to understanding your home’s needs, selecting the right window style, prioritising energy efficiency and security, and ensuring professional installation.

    When chosen correctly, aluminium windows enhance:

    • Natural light

    • Energy efficiency

    • Security

    • Property value

    • Modern aesthetics

    If you’re upgrading your home, aluminium windows are a reliable, stylish, and future-proof choice.

  • Replacing the Windows in a Listed Building: A Guide by Experts

    Replacing the Windows in a Listed Building: A Guide by Experts

    Owning a listed property comes with a sense of pride, but when it’s time to update the windows, it also comes with strict rules. You can’t just swap out frames or upgrade to double glazing without the right permissions. Get it wrong, and you risk costly delays, refused consent, or even enforcement action.

    This guide walks you through how to replace windows in a listed building the right way, with expert advice, clear steps, and a focus on preserving what makes your home special. If you’re unsure where to begin or worried about making a costly misstep, you’re in the right place. 

    Stick around, and we’ll take you through every step.

    What Is a Listed Building? (Quick Refresher)

    A listed building is one that’s officially recognised for its special architectural or historical importance. In the UK, there are three grades:

    • Grade I — Buildings of exceptional interest (only about 2.5% of all listed properties)
    • Grade II* — Particularly important buildings of more than special interest
    • Grade II — The most common grade, covering buildings of special interest worth preserving

    No matter the grade, any change that affects the building’s character or appearance requires Listed Building Consent, and that includes windows. Frames, glazing, sightlines, and original materials are often protected, even if they look tired or seem outdated.

    Replacing them isn’t off-limits, but it needs to be done with care and with the right permissions in place.

    Can You Replace Windows in a Listed Building?

    Yes, you can replace the windows in a listed building, but only if you go through the right channels and meet strict conditions. Because listed status protects the architectural character of a property, windows are almost always considered part of that character. That means they can’t be swapped out or upgraded without formal Listed Building Consent.

    To get approval, any proposed change must preserve or enhance the historic look of the building. This applies not just to the shape and style of the frames, but also to materials, glazing type, opening method, and even the thickness of glazing bars or depth of putty lines.

    Double glazing is possible in many cases, but only when it’s done using conservation-grade units. These are designed to look nearly identical to traditional single-glazed sashes or casements, with slimmer profiles, authentic detailing, and often handmade timber frames. uPVC is almost never approved in listed buildings.

    Always check with your local conservation officer before making plans or placing orders. Replacing listed windows without consent can result in serious penalties, and you may be required to remove and replace new windows at your own expense, even if they’re brand new.

    What’s the Process for Getting Permission?

    Replacing windows in a listed building isn’t something you can rush, but with the right steps, it’s completely manageable. Here’s how the process usually works:

    1. Speak to Your Local Conservation Officer

    Before anything else, get in touch with your local planning authority and ask to speak with the conservation officer. They’ll give guidance on what’s likely to be accepted and what documentation you’ll need.

    2. Prepare a Listed Building Consent Application

    You’ll need to submit a formal application for Listed Building Consent. This is separate from standard planning permission and required for any work that affects the character of the building.

    3. Include Full Details

    Your application should include:

    • Scaled drawings of the existing and proposed windows
    • Specifications for materials, glazing, and hardware
    • Justification for why the change is needed
    • Photographs showing the condition and context
    • Heritage impact statements (if required)

    Expect the officer to focus on things like matching proportions, glazing bars, frame profiles, and whether the replacement will truly reflect the building’s original look.

    4. Use the Right Methods and Materials

    In most cases, approval depends on using traditional timber joinery, slimline double glazing, or exact-match replicas. Conservation-friendly products with modern performance and a period appearance are often accepted.

    5. Wait for Formal Approval

    Don’t place orders or start manufacturing until you have written consent. Turnaround times vary by council but can take 8–12 weeks. Once approved, you can proceed with fabrication and installation.

    What Types of Windows Are Allowed in Listed Buildings?

    Local authorities won’t approve just any window. To get Listed Building Consent, the proposed design must respect the original features, and in most cases, that means working with timber and staying true to the building’s existing appearance.

    Here are the most commonly accepted options:

    Timber Sash Windows with Slimline Double Glazing

    These are a popular solution when upgrading single-glazed sashes. The best conservation-grade units use slim double glazing that mimics the depth and proportions of traditional glass, while boosting thermal performance.

    Exact-Match Casement Windows

    For properties with original timber casements, the new design must match the frame shape, opening method, and even the hinge style. Any change in glazing bar layout or frame thickness can lead to a rejected application.

    Secondary Glazing

    If replacing the windows isn’t allowed, secondary glazing can be installed on the inside. It adds insulation and soundproofing without touching the original frame, often a good compromise in stricter conservation areas.

    Repairs vs Full Replacement

    Sometimes only part of the window is approved for replacement, like the sashes but not the frame, or damaged glazing but not the entire unit. If the timber is sound, expect the conservation officer to push for repair over full replacement.

    Every detail matters: frame depth, putty lines, glazing bar width, and sightlines all factor into whether an application is approved.

    Mistakes to Avoid

    When it comes to listed buildings, getting windows wrong isn’t just a design issue; it can lead to rejected applications, wasted money, or even legal trouble. These are some of the most common mistakes to watch out for:

    Ordering Windows Before Consent

    This is a costly misstep. No matter how well-made or “in keeping” the design may seem, installing windows without formal Listed Building Consent puts you at risk of enforcement action, and you may be forced to remove them at your own expense.

    Using the Wrong Materials

    uPVC and aluminium are rarely accepted in listed buildings. Even timber-look alternatives often fall short. Councils usually require real timber joinery that matches the original construction.

    Changing the Style

    Switching from sash to casement, or from side-hung to top-hung, is considered a significant change to the building’s character. Even small alterations to how a window opens can trigger a refusal.

    Missing Historical Details

    Features like glazing bars, horns, putty lines, and frame proportions are often overlooked, but they’re exactly the kind of details that planning officers look for. Getting these right can mean the difference between approval and rejection.

    On A Final Note;

    Replacing the windows in a listed building isn’t as simple as placing an order, and it shouldn’t be. These buildings carry history, character, and responsibility. But with the right guidance, it’s entirely possible to upgrade comfort and efficiency while staying true to the original design.

    The key is planning ahead, using the right materials, and working with people who understand both the regulations and the architecture. When done properly, the results can be seamless, blending heritage with performance in a lasting way.

    At DuraJoin, we take the pressure out of the process. From heritage surveys to council-ready drawings and expert joinery, we help you get it right the first time.

    Start your project today at durajoin.com or speak with our team for professional advice on replacing windows in your listed home.

  • How Much Do Triple-Glazed Aluminium Windows Cost in the UK?

    How Much Do Triple-Glazed Aluminium Windows Cost in the UK?

    You’re tired of watching your energy bills climb every winter while cold air creeps in around the edges of your windows. You might have already looked at double glazing, but it still doesn’t feel like enough, and now you’re hearing about triple glazed aluminium windows. 

    The only problem now is that no one gives you a straight answer on price. That’s where this guide comes in.

    If you’re planning a renovation, building a new home, or upgrading to meet modern energy standards, knowing the real cost of triple glazed aluminium windows in the UK can help you set a realistic budget. 

    So, in this article, we’ll break down average price ranges, what affects the final quote, and why aluminium triple glazing is becoming the go-to choice for homeowners and developers who want long-term performance, not just a short-term fix.

    Let’s get into the numbers, the benefits, and what to expect from your investment.

    Average Cost of Triple Glazed Aluminium Windows in the UK (2025)

    Triple glazed aluminium windows come at a premium, but the pricing isn’t one-size-fits-all. In 2025, the average cost per window in the UK typically ranges between £550 and £950 for supply only. 

    And if you’re looking for a full installation, expect prices to fall between £900 and £1,500 per unit, depending on the size and complexity of the project.

    Several variables can influence where you land on that spectrum:

    • Window size and shape: Larger, custom-shaped windows naturally cost more due to increased materials and fabrication time.
    • Glazing specifications: Features like argon gas fill, warm-edge spacers, and low-emissivity coatings impact thermal performance and pricing.
    • Frame finish and colour: Powder coating, anodising, or dual-colour systems may raise the final cost.
    • Installation factors: Labour costs vary by region, and access issues (like upper floors or awkward openings) can increase fees.

    Here’s a breakdown of typical costs based on window type and service:

    Window TypeSupply OnlySupply + Install
    Small (600×600 mm)£500–£600£850–£1,000
    Medium (1200×1200 mm)£650–£850£1,100–£1,400
    Large / Custom Sizes£900+£1,500+

    Keep in mind that these are ballpark estimates. For an accurate quote, it’s always best to speak with a supplier who can factor in your exact specifications, site conditions, and performance goals.

    What Affects the Cost of Triple Glazed Aluminium Windows?

    If you’ve started comparing prices already, you’ve probably noticed a wide range in costs. That’s because the final price of a triple glazed aluminium window depends on a handful of important factors, some obvious, others less so. 

    Here’s what can raise or lower your quote:

    • Frame Material and Finish
      All aluminium isn’t equal. Standard frames will cost less, while upgraded finishes like powder-coated colours or anodised aluminium come at a premium. These options improve durability and appearance but will increase the overall cost per unit.
    • Glazing Specifications
      The type of glass used can shift the price significantly. Features like argon gas fills, low-emissivity coatings, or laminated safety glass enhance performance but also increase cost. Triple glazing naturally includes more layers, so the spec really matters.
    • Window Size and Shape
      Larger or custom-shaped windows require more materials and often more labour. A square kitchen window won’t cost the same as a floor-to-ceiling unit or curved architectural glass.
    • Installation Complexity
      Costs can rise quickly depending on how easy or difficult the install is. Upper-floor access, structural alterations, or fitting into older buildings with non-standard openings can all push the price higher due to time and expertise needed on site.
    • Energy Ratings and Certifications
      Windows that meet Part L regulations or are certified by the British Fenestration Rating Council (BFRC) typically cost more, but they also deliver better performance, lower energy loss, and long-term compliance with UK building standards.

    Triple Glazed vs Double Glazed: Is the Price Worth It?

    Triple glazed aluminium windows offer clear performance advantages over double glazing. With lower U-values, better sound insulation, and improved thermal comfort, the difference is measurable. 

    Most double glazed aluminium systems in the UK range from 1.4 to 1.6 W/m²K, while triple glazing can achieve 0.8 to 1.0 W/m²K, a significant improvement for energy-conscious builds.

    Sound reduction is another key benefit. The extra pane and air gap in triple glazing act as an effective sound barrier, which makes a noticeable difference in busy urban areas or near roads and schools.

    While double glazing remains more affordable upfront, it offers lower performance and may not meet higher efficiency targets or long-term expectations in modern builds. For homeowners or developers focused on long-term value, thermal performance, and acoustic comfort, triple glazing is often the better investment.

    So, if you’re aiming for efficiency, comfort, and long-term value, triple glazing is well worth the upgrade.

    Benefits of Aluminium Triple Glazing

    Aluminium triple glazed windows combine strength, efficiency, and design flexibility, making them a smart choice for modern residential and commercial projects. Here’s what sets them apart:

    • Slim, Modern Sightlines
      Aluminium frames offer strength without bulk, allowing for larger glass areas and cleaner architectural lines. You get more natural light and a refined look, without compromising on structural integrity.
    • Built-in Thermal Breaks
      High-quality aluminium systems include thermal break technology, which reduces heat transfer and improves energy performance. This is essential when paired with triple glazing.
    • All-Weather Durability
      Aluminium resists warping, rotting, and corrosion. With the right finish, it stands up to heavy rain, wind, salt, and sun exposure, making it ideal for the UK’s unpredictable climate.
    • Minimal Maintenance
       Unlike timber, aluminium doesn’t need regular painting or sealing. A simple wipe-down keeps frames looking sharp, year after year.
    • Eco-Conscious and Fully Recyclable
      Aluminium is 100% recyclable without loss of quality. Choosing aluminium supports long-term sustainability goals and reduces waste during eventual replacements or renovations.

    When paired with triple glazing, these benefits multiply, resulting in a high-performance window solution that balances design, function, and energy efficiency.

    How to Get an Accurate Quote for Your Project

    Online estimates are a great starting point, but when it comes to pricing triple glazed aluminium windows, accuracy depends on the details. Every project is different. Size, spec, finish, access, and installation requirements all play a role in the final cost.

    The most reliable way to get a precise figure is with an on-site measurement. This allows the team to assess your property layout, confirm dimensions, and factor in any installation considerations that might affect time or cost.

    Customisation also impacts the price. Whether you’re choosing a specific colour, going with upgraded glazing, or needing shaped or oversized windows, these choices can shift your quote. That’s why speaking with a professional early on helps you plan realistically and avoid budget surprises later.

    At Dura Join, we offer expert support from the start. Our team will walk you through your options, explain what affects your quote, and help you make decisions that balance performance, style, and cost.

    Looking for a clear, no-pressure estimate? Contact us today to schedule a site visit or request a quote based on your project plans.

    On A Final Note:

    Triple glazed aluminium windows are a smart investment for anyone looking to improve energy efficiency, comfort, and long-term value. 

    While the upfront cost is higher than double glazing, the performance benefits, like better insulation, stronger soundproofing, and reduced energy loss, often justify the cost.

    The key is working with a supplier who understands the technical side of glazing, can offer honest guidance, and delivers products that meet modern standards. And at Dura Join, we specialise in high-performance aluminium window systems built for UK homes and commercial buildings. From supply to installation, you get quality, service, and results that last.

    So, if you’re planning a new build or upgrade and want windows that do more than just fill a frame, request your quote from Dura Join today. We’ll help you price your project properly and get it done right.

  • Best Triple Glazed Window Companies in the UK 

    Best Triple Glazed Window Companies in the UK 

    So this is you: you’ve decided triple glazing is the right move, maybe for the energy savings, or the soundproofing, or maybe just to futureproof your next build. But now you’re stuck on the next big question:

    Who can you actually trust to supply and install them properly?

    You want high-performance triple glazed windows, but you don’t want to waste time chasing quotes from companies that overpromise and underdeliver.

    The truth is, the UK window market is crowded. Every brand claims their triple glazing is the most efficient, the most durable, the most advanced. But which suppliers actually deliver the product quality, service, and long-term value you’re counting on?

    That’s where this guide comes in.

    We’ve pulled together a list of top triple glazed window companies in the UK, not just based on what they sell, but on what matters most to homeowners, architects, and developers: thermal performance, material strength, energy savings, and reliable supply.

    And if you’re still weighing up who to work with, we’ll also explain what separates a good glazing company from a great one, and why companies like Durajoin Windows and Doors continue to earn trust across the country.

    Let’s get into it.

    What Makes a Good Triple Glazed Window Supplier?

    Not all triple glazing is created equal, and neither are the companies behind it. Choosing the right supplier isn’t just about ticking a box for thermal performance. It’s about who’s going to deliver on time, install it right, and stand behind the product years down the line.

    Here’s what to look for when comparing suppliers:

    • Material and Glass Quality
      A strong frame means long-term performance. Look for suppliers who use thermally broken aluminium, premium seals, and glazing specs that meet or exceed UK energy standards. Laminated safety glass, argon-filled chambers, and warm edge spacers should be available, not optional.
    • Certifications That Back the Claim
      Any company worth your time should supply products certified under BFRC ratings or compliant with Part L of UK Building Regulations. These standards aren’t just technical, they directly impact how much energy your windows save and how well they insulate your space.
    • Reputation and Customer Feedback
      Look beyond the sales pitch. Check verified reviews, speak to past clients if possible, and find out how the company handles issues post-installation. A good supplier doesn’t disappear after the invoice is paid.
    • Reliable Lead Times and Communication
      Whether you’re building on a tight schedule or managing multiple trades, supply delays cause headaches. A strong company is honest about lead times from the start and keeps you in the loop throughout.
    • Professional Installation Support
      Even the best window system won’t perform if it’s poorly installed. Choose a supplier with a trusted installer network, or in-house teams that handle both supply and fit.
    • Sustainability Matters
      Eco-conscious clients are looking for more than energy ratings. Recyclable aluminium, reduced waste packaging, and transparent sourcing show that a company is thinking beyond the glass.

    Top Triple Glazed Window Companies in the UK

    There’s no shortage of window companies in the UK, but only a few consistently deliver high-performance triple glazed systems backed by solid service, modern design, and energy efficiency credentials. Here’s a look at some of the top names worth considering:

    Durajoin Windows and Doors

    Known for its focus on durable aluminium glazing systems, Durajoin supplies and installs triple glazed windows across London and the surrounding areas. With reliable lead times, clean sightlines, and custom fabrication options, the company is a trusted partner for residential and commercial projects. 

    Durajoin combines technical expertise with responsive, local support, making it a go-to for builders and homeowners who want the job done right the first time.

    Internorm

    An Austrian brand with a strong UK distributor network, Internorm is known for premium triple glazed windows that offer some of the best thermal values on the market. Their systems are sleek, ultra-efficient, and ideal for passive house-level builds. Pricing is at the top end, but performance matches the investment.

    Reynaers Aluminium UK

    Reynaers supplies aluminium framing systems that support triple glazing through a network of certified fabricators and installers. Their products are often used in large-scale commercial or architectural projects and offer great flexibility in terms of design, thermal break technology, and finishes.

    Everest

    A well-known name in UK home improvements, Everest offers triple glazing as part of their full-service model. Their range is broad, warranties are strong, and installation is handled in-house. While more common in the double glazing space, their triple glazed options are gaining traction for energy-conscious homeowners.

    AluK

    Based in the UK, AluK specialises in aluminium systems engineered for the UK climate. Their triple glazed-compatible frames are tested for thermal efficiency, weather resistance, and modern design compatibility. Products are distributed through partner fabricators nationwide, with strong trade backing.

    How Much Do Triple Glazed Windows Cost in the UK?

    Now that you’ve seen which companies stand out, you’re probably wondering what it’s actually going to cost.

    Triple glazed aluminium windows come with real performance benefits, but pricing can vary widely depending on size, frame spec, glazing type, and installation needs. Some companies quote low but cut corners on thermal efficiency or finish quality. Others charge more but deliver a system built to last.

    If you’re trying to plan your next step and want a clear breakdown of what to expect, we’ve put together a dedicated guide to help.

    Read: How Much Do Triple Glazed Aluminium Windows Cost in the UK?
    It covers price ranges, what affects your quote, and how to compare options confidently.

    Final Thoughts

    Finding the right triple glazed window company comes down to more than just product specs. It’s about reliability, long-term performance, and knowing the team you choose will deliver what they promise, including timely delivery, standard service, and no shortcuts.

    Every project is different. Your location, glazing goals, design preferences, and energy needs all shape the kind of supplier that fits. The companies listed above are trusted across the UK for a reason: they understand what’s at stake when windows are part of your investment.

    Do your research, ask the right questions, and compare more than just price. A well-chosen glazing partner doesn’t just make your build easier; it also helps futureproof it.

    To get more details consult with Durajoin, a trusted aluminium windows and doors company in London. Check customers reviews on Google Business Profile.

  • What is Bow Window?: Cost, Benefits, Differences and Material

    What is Bow Window?: Cost, Benefits, Differences and Material

    As someone who’s worked with windows for years, I’ve seen how the right window can improve a home greatly. Bow windows are among my favourite for their elegant appearance and practical benefits. In this guide, I’ll walk you through everything you need to know about bow windows – what they are, how they compare to bay windows, the different types available, benefits of double glazing, and what you can expect to pay. Let’s dive in!

    What is Bow Windows?

    When I first started in this industry, I confused bow windows with bay windows all the time! Now I know better. A bow window is a curved window that extends outward from your home’s exterior wall. The key thing that makes it a “bow” is its smooth, curved appearance.

    A Black Bow Windows in London.

    Bow windows typically consist of four or five identical panels arranged in a gentle arc. Each panel is angled at about 10 degrees, which creates the beautiful curved appearance I have come to admire. Unlike some other window styles, bow windows form a semicircle that protrudes from the home, making them an eye-catching feature both inside and out.

    The first time I installed a bow window, I was amazed at how much light it brought into the room. This is one of their biggest selling points—bow windows allow an abundance of natural light and provide wider views of the outdoors compared to standard flat windows.

    What is Difference Between Bay and Bow windows?

    What is difference between bay windows and bow windows?

    I get asked about this all the time – “What’s the difference between a bay and a bow window?” While they might look similar at first glance, there are several key differences that can help you decide which is right for your home.

    First, the structure is different. Splayed or Square Bay windows typically have three panels – a larger central picture window with two smaller windows on the sides at an angle of 25-45 degrees. Bow windows, on the other hand, have four or more panels of equal size that create a smoother, curved appearance.

    Bay windows need less wall space – about 40 inches minimum compared to at least 80 inches for a bow window.. However, bow windows can actually create more interior space because of their wider curve.

    In terms of light, bow windows are the winner in my experience. Their greater number of glass panels and curved design allows more natural light to flood into a room. I installed bow windows in my own living room, and the difference was dramatic – the space instantly felt brighter and more open. Smart Heritage Windows profile is highly recommended. It slim frame allow more glass means more natural lights.

    Aesthetically, they create different effects. Splayed Bay windows or Square bay windows make a more dramatic, angular statement that works well with traditional homes. Bow windows offer a softer, more rounded look that can wrap around corners, which I find works beautifully with both modern and traditional designs.

    When helping clients choose, I consider their space, budget, and the look they want to achieve. If you’re working with limited wall space or want a more pronounced projection, a bay window might be better. If you value maximum light and a smoother, more elegant curve, I’d recommend a bow window.

    Exploring the Different Types of Bow Windows for Your Home

    Over the years, Durajoin team installed many different types of bow windows, and the variety might surprise you. Let me break down the main options:

    By Configuration and Angle

    The most common bow window I install has a 10-degree angle between panels, creating that classic gentle curve. You can choose how many panels you want – anywhere from 4 panels for a subtle curve to 8 panels for a more dramatic semicircle effect.

    Durajoin is one of Britain leading Bay and Bow windows manufacturers. We offers specific configurations such as:

    I recently installed an 8-panel bow window for a client who wanted to maximize their garden view, and the result was spectacular – almost like sitting in a glass observatory!

    By Material

    The frame material makes a huge difference in appearance, durability, and maintenance:

    1. uPVC Bow Windows: These are my most commonly requested option. They’re low maintenance, energy efficient, and come in various colours. White is popular, but woodgrain effects like oak and rosewood are gaining popularity.
    2. Wooden Bow Windows: I love the classic, warm look of wooden frames. They’re beautiful but require more maintenance. Oak, mahogany, and cherry each create a different effect with their unique grain patterns5.
    3. Aluminium Bow Windows: These offer a sleek, contemporary look with thin frames that maximize glass area. They’re incredibly durable and perfect for modern homes. Black bow windows are our top selling windows in London.

    In my own home, I would choose Aluminium frames with a Smart System’s Alitherm Heritage profile – I get the look of super slim frame along high security and energy efficiency without the maintenance headaches!

    The Benefits of Installing Double Glazed Bow Windows

    I always recommend double glazing for bow windows – the benefits are just too good to pass up. Double glazing means having two panes of glass with a sealed air gap between them. These gaps are filled with argon gas for better insulation. We also recommend triple glazed bow windows for clients who is willing to spend more for upgraded version of double glazing. It is more efficient than double glazing.

    The first thing you’ll notice with double glazed bow windows is the dramatic increase in natural light. I installed these in a client’s north-facing room that used to feel dark and cramped. The bow window’s curved design combined with clear glass in double glazing transformed it into the brightest room in the house.

    The energy efficiency is impressive too. That sealed air gap between the glass panes creates an insulating barrier that keeps heat in during winter and out during summer. One client told me their heating bills dropped by about 15% after we installed their double glazed bow windows!

    Sound insulation is another major benefit I’ve personally experienced. My previous home was near a busy road, and installing double glazed bow windows reduced the traffic noise significantly. The two panes with an air gap dampen sound waves, creating a much more peaceful environment inside.

    Security is also enhanced. Double glazed windows are much harder to break through than single glazing, giving you better protection against break-ins. I always sleep better knowing my aluminium windows provide that extra layer of security.

    And let’s not forget the aesthetics – double glazed bow windows create an eye-catching feature that enhances both your interior and exterior. I’ve had many clients comment on how their bow windows became the focal point of their living space while adding character to their home’s façade.

    How Much Do New Bow Windows Cost in the UK?

    Let’s talk money – always an important consideration! Based on my experience in the industry, bow windows are generally more expensive than bay windows, primarily because they involve more window panels and a more complex installation process.

    In the UK market right now, you can expect to pay between £1,430 and £2,700 per bow window. Bay windows, for comparison, typically range from £1,190 to £2,700. The price difference reflects the additional materials and labour cost required for bow windows.

    Several factors affect the final cost:

    1. Size: Larger bow windows obviously cost more. A small bow window for a bedroom might be at the lower end of the range, while a grand bow window for your living room could push toward the upper limit.
    2. Material: Frame material significantly impacts price. In my experience, uPVC is the most affordable option, while wood and aluminium frames can increase costs by 30-50%. Additional cost definitely brings more benefits such as security, modern look and long lifespan.
    3. Glazing options: Standard double glazing is included in most quotes, but if you want special features like decorative glass, leaded designs, or triple glazing, expect to pay more.
    4. Colour: White uPVC is the standard, but if you want woodgrain effects or custom colours, this can add 35-40% to the cost. I think it’s often worth the extra expense for the right aesthetic.
    5. Installation complexity: If structural modifications are needed, costs will increase. I recently worked on a project where we had to reinforce the wall opening, which added about £300 to the final bill.

    From my experience, a typical medium-sized uPVC double glazed bow window, fully installed, averages around £2,000 in most parts of the UK. It’s a significant investment, but one that adds real value to your home while enhancing your living space.

    Conclusion

    Bow windows are one of my favourite features to add to a home. Their curved design brings in abundant natural light, creates additional space, and adds architectural interest both inside and out. While they’re typically more expensive than bay windows, the benefits they offer in terms of aesthetics, light, and potential added value to your property make them worth considering.

    If you’re thinking about installing bow windows, my advice is to work with a reputable supplier who can show you examples of their previous installations. Take your time choosing the right configuration, materials, and glazing options to ensure your new bow windows enhance your home for years to come. Receive a free quote from Durajoin along with free advice over call to make right decision.


  • Splayed Bay Windows: A Complete Guide

    Splayed Bay Windows: A Complete Guide

    Have you ever wished that your living room felt brighter, more spacious, and architecturally stunning—without undergoing a major renovation? Splayed bay windows could be the answer. Whether you’re a homeowner looking to renovate your home or a professional involved in new construction project, this comprehensive guide will help you make the most of splayed bay windows. It covers everything from design inspiration to technical know-how.

    What is Splayed bay window?

    A splayed bay window is a type of bay window commonly found in Victorian properties in the UK. It is made of 3 sections of windows. It often features a central large window section along with smaller side panels that are angled or “splayed” outwards. This design creates a trapezoidal shape, allowing for more light and space inside the room. Splayed Bay Windows also known as Canted bay windows.

    Splayed bay windows originated in medieval architecture, typically seen in castles and manor houses. They were designed to offer wider views and allow more light into rooms. Over time, this design evolved and became popular in Victorian and Edwardian homes, valued for both its aesthetic appeal and practical benefits.

    How Splay Bay Window is Different from Other Bay Windows Types?

    There are four types of bay windows commonly seen in UK homes: Splay Bay, Square Bay, Single-End, and Bow Windows. While all bay window structures extend outward from the main external wall, the main difference lies in their structural shape. Square bay windows and splay bay windows both consist of a main middle casement window section and two side sections of windows. In square bay windows, the side windows are positioned at a 90-degree angle to the main middle section, creating a rectangular or square shape. In contrast, splayed bay windows have side panels that are angled outward (more than 90 degrees), resulting in a trapezoidal shape. Bow windows consist of four or more windows that create a gentle curve, resulting in a more rounded appearance. Single-End bay windows have one side panel instead of two.

    Splayed Bay Windows Comparison With Regular Square Bay Windows and Bow Window
    FeatureSplayed Bay WindowSquare Bay WindowBow Window
    Side Panel AnglesAngled outward (trapezoidal)Perpendicular (rectangular)Multiple panels, gentle curve
    AppearanceDynamic, contemporary or classicTraditional, boxyElegant, rounded
    View & LightWide, panoramicFocused, less expansiveSweeping, curved

    What are the Benefits of Splayed Bay Windows?

    Aesthetic Appeal: They enhance architectural interest and add elegance to a property, creating a more dynamic and visually appealing façade both inside and out.

    Internal Space: Outward side window shape create additional space inside the house. That can be used for various purpose such as seating, storage and display.

    Increase Natural Light: The angled design allows sunlight to enter the room from multiple directions, brightening the interior space and reducing the need for artificial lighting.

    Improved Ventilation: Openable side windows, positioned at an angle, enhance airflow and ventilation in the room.

    How much Splayed Bay Windows Cost You?

    The cost to Supply and install splayed bay window typically ranges from £900 to £3,000, depending on factors such as size, materials, and labor costs.

    Consult with Durajoin team to get free precious cost of supply only and with installation of bay windows! : Get Free Quote

    Durajoin is trusted Windows & Doors Company London. View customer reviews on Google Business Profile

    What Material are best for splay windows?

    Splayed bay windows are made from a variety of materials, each offering specific advantages:

    Wood: Provides a classic and warm appearance while delivering good insulation. However, it requires regular maintenance.

    uPVC: A low-maintenance and cost-effective option with strong insulation properties. It is available in different styles and colors.

    Aluminium: Known for its strength and durability, aluminium bay windows frames are often slim, which maximizes the glass surface area. They also require minimal maintenance.