Heritage Windows and Doors Collection

#1 Aluminium Windows and Doors in London

Are you looking for Heritage Windows for a listed property window replacement? Durajoin is #1 Smart heritage doors and windows suppliers in London. We provide supply and installation services for heritage windows in London, Surrey, and Hertfordshire.

Discover Heritage Aluminium Windows and Doors

Why Choose Our Heritage Doors and Windows?

Aluminium Heritage Windows in London and Surrey

Aluminium Heritage Windows

✔ Preserve the Historic Charm: Our heritage windows are specially designed to maintain the architectural charm of listed properties while meeting building regulations. It is an ideal choice for listed building renovation and large-scale refurbishment projects. Also popular among modern homeowners.

✔ Improved Security: Heritage Double Windows has passed the PAS 24:2016 security test, which provides enhanced security compared to traditional single-glazed timber windows.

✔ Long lifespan: Aluminium windows are superior for protecting from rust or rot for decades. Window frames are known for their durability and can last indefinitely. Traditional timber, steel, or uPVC heritage windows need replacement within 30-35 years.

Heritage Aluminium Doors

✔ Energy Efficient: Smart Alitherm Heritage Door features polyamide thermal break technology, which creates a barrier between outside cold air and inside warm air. The reduced thermal transmittance improves the overall U-value, resulting in savings on energy bills.

✔ Timeless Aesthetic: Heritage Doors feature super slim sightlines along with optional horizontal modules that help create Crittall inspired industrial doors. They can also be paired with Heritage and Art Deco hardware.

✔ Maintenance-Free:: Powder-Coated Aluminium Doors are rigorously weather tested (BS 6375 Part 1:2009). They do not fade, deteriorate, or rust in harsh environments. This means no repainting or varnishing is needed, reducing the risk of needing replacements.

Double Glazed Heritage Windows in London

Triple & Double Glazed Windows

✔ Double Glazing: Heritage double-glazed windows offer better insulation compared to single-glazed heritage timber windows.

✔ Triple Glazing: Smart Alitherm Heritage Windows supports 28, 32, and 36mm triple glazing units, which align with the latest building regulations. Triple-glazed heritage windows provide better sound insulation for quieter homes.

✔ Various Glass Options: You can opt for Low-E glass, solar control glass, toughened glass, and laminated glass to meet various needs.

Supply & Installation Services London

✔ Supply-Only Aluminium Doors & Windows – Available for trade professionals, builders, and contractors.
✔ Full Installation Service – Our expert fitters ensure perfectly installed aluminium glazing solutions.

Heritage Windows Supply and Install - Heritage Doors

Recent Projects Featuring Heritage Windows and Doors

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Transform Your Space! Call Us: 0203-576-2142

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Call us today for best quote

Transform Your Space! Call Us: 0203-576-2142

We are the right choice

Durajoin has been the customer’s choice for its quality and customization.
We put your needs first and provide bespoke solutions to cater for your requirements.
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Energy Efficient

The quality of a good window is being energy efficient which reduces heat loss and improves thermal efficiency ensuring the most efficient solutions for your needs.
circulation

Natural Ventilation

Sunlight and air are the two major reasons for having bigger windows at home. We make sure to help you with the right window style to bring maximum sunlight and natural ventilation while complying with building regulations.
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Cost-Efficient

Durajoin will ensure well suited windows and doors for your home within your budget. We go the extra mile to meet your demands at a pocket-friendly price.
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Design

Windows are indeed an integral part of your house elevation. You can have good interior decor but maintaining the correct aesthetics will always be the cherry on the top.
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Discounted Price

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10-year Guarantee

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Made in Britain

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Trade Supply

Get a Quick Quote in 3 Easy Steps

  • Step 1: Tell Us About Your Project

    ✔ Are you looking for windows, doors, conservatories, or roof lights?
    ✔ Do you need supply only or full installation?

  • Step 2: Choose Your Materials & Design


    ✔ Aluminium Windows or Doors – Select from casement, sash, bifold, sliding, heritage, or French doors.

    ✔ Custom Finishes – Choose from hundreds of RAL colours and glazing options.

  • Step 3: Get Your Personalised Quote

    ✔ Speak to our experts for a detailed, no-obligation quotation.
    ✔ Fast lead times – orders completed within 7 days.

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Our Service Area

  • West London

    • Ealing
    • Hammersmith and Fulham
    • Harrow
    • Hillingdon
    • Hounslow
    • Kensington and Chelsea
    • Richmond upon Thames
  • East London

    • Barking and Dagenham
    • City of London
    • Hackney
    • Havering
    • Newham
    • Redbridge
    • Tower Hamlets
    • Waltham Forest
  • South London

    • Bexley
    • Bromley
    • Croydon
    • Greenwich
    • Kingston upon Thames
    • Lambeth
    • Lewisham
    • Merton
    • Southwark
    • Sutton
  • East London

    • Barnet
    • Brent
    • Camden
    • Enfield
    • Haringey
    • Islington

Postcode We Serve

BR1, BR2, BR3, BR4, BR5, BR6 , BR7, CR0, CR1, CR2, CR4, CR5, CR8, DA1, DA14 ,DA15, DA16 ,DA17, DA5, DA6, DA8, E1, E10, E11, E12, E13, E14, E15, E16, E17, E18, E2, E3, E4, E5, E6, E7, E8, E9, EC1, EC2, EC3, EC3R, EC4, EN1, EN2, EN3, EN4, EN5, HA0, HA1, HA2, HA3, HA4, HA5, HA6, HA7, HA8, HA9, IG1, IG11, IG2, IG3, IG6, IG8, KT1, KT2, KT3, KT4, KT6, KT9, N1, N10, N11, N12, N13, N14, N15, N16, N17, N18, N19, N2, N20, N21, N22, N3, N4, N5, N6, N7, N8, N9, NW1, NW10, NW11, NW2, NW3, NW4, NW5, NW6, NW7, NW8, NW9, RM1, RM10, RM12, RM13, RM14, RM2, RM3, RM4, RM5, RM6, RM7, RM8, RM9, SE1, SE10, SE11, SE12, SE13, SE14, SE15, SE16, SE17, SE18, SE19, SE2, SE20, SE21, SE22, SE23, SE24, SE25, SE26, SE27, SE28, SE3, SE4, SE5, SE6, SE7, SE8, SE9, SM2, SM3, SM4, SM5, SM6, SM7, SW1, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW1A, SW2, SW20, SW3, SW4, SW5, SW6, SW7, SW8, SW9, TN14 ,TN16 , TW1, TW10 ,TW11, TW12, TW13,TW14, TW3, TW4, TW5, TW7, TW8, TW9, UB1, UB10, UB2, UB3, UB4, UB5, UB6, UB7, UB8, UB9, W1, W10, W11, W12, W13, W14, W1M, W2, W3, W4,W5, W6, W7, W8, W9, WC1, WC2

About Durajoin.

Durajoin is an ethically run window fabrication company to cater needs of the Fenestration Industry. Our goal is to provide high quality, bespoke solutions under one roof to our clients – may it be windows, doors, railings, gates or Juliet balconies.

We offer work in different materials, primarily with uPVC, aluminium, timber, and metal. Durajoin has a team of professionals working hard to support you with answering your queries and guiding you with a choice of top quality products.

At Durajoin Aluminium Windows and Doors, we design, manufacture, and install high-quality aluminium windows, bifold doors, sliding doors, entrance doors, conservatories, and roof lights across London and surrounding areas. Whether you’re a homeowner looking for modern aesthetics, a commercial developer needing high-performance glazing, or a trade professional seeking supply-only aluminium doors and windows, we have the perfect solutions.

🔹 Over 20 years of experience in the industry
🔹 Premium quality aluminium doors and windows built to British Standards
🔹 Competitive pricing with trade and bulk discounts
🔹 Fast lead times – manufacturing & delivery within 7 days
🔹 Bespoke made-to-measure designs

With our expert team and commitment to exceptional craftsmanship, we ensure that every product offers unmatched durability, security, and thermal performance.

Window Replacement for Listed Properties: Industrial Steel Style Doors and Windows Collection

Smart System Designed and developed the Alitherm Heritage windows and doors range to meet the needs of refurbishment of period properties (listed buildings) and renewal projects, especially in sensitive planning areas. These windows and patio doors are perfect for Victorian and Art Deco builds, having already been successfully used in many renovation projects across the UK.

Alitherm Heritage provides a modern replacement for traditional timber windows, making it suitable for projects where planning regulations require sympathetic materials, including listed buildings. The architectural windows system already been approved for project in Islington, Camden, Tower Hamlets, Watford Borough Council, Essex County Council, and Cadw, the Welsh Government’s service for historic environments service.

Both Alitherm Heritage door and window ranges have super slim profiles and sight lines that reflect the look of traditional crittall steel doors and windows. They also provide excellent thermal performance, achieving a ‘B’ Energy Rating. With slim, thermally-broken profiles, Alitherm Heritage windows come in many configuration, including fixed-pane, sash, top-hung, side-hung casement, pivot, and tilt-and-turn.

Alitherm Heritage doors work well for both single and exterior french door applications and are available in various sizes. They come with a secure multi-point lock and face-mounted finger-thrown locking bolts. Both the window and door systems have a U-Value of 1.5 W/m²K when installed with the right double glazed or triple glazed unit and are available in single or dual colour powder-coated finishes.

FAQs About Heritage Windows London

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