✔ Casement Windows – Secure, energy-efficient, and available in slimline or standard profiles.
✔ Sliding Windows – Modern, space-saving, and ideal for residential and commercial buildings.
✔ Heritage Windows – Perfect for conservation areas and period properties, combining classic aesthetics with modern security.
✔ Sash Windows – A stylish alternative for both contemporary and Victorian homes.
✔ Bifold Doors – Seamless indoor-outdoor connection, perfect for homes, restaurants, and offices.
✔ Sliding Patio Doors – High-performance double-glazing aluminium sliding doors for a sleek, modern look.
✔ Aluminium Entrance Doors – Secure, stylish, and available in multiple finishes.
✔ French Doors – Classic and elegant, available in double or triple-glazed options.
✔ Aluminium Roof Lanterns – Enhance your home with natural light and panoramic views.
✔ Aluminium Conservatories – Bespoke, thermally efficient, and custom-made to your specifications.
✔ Supply-Only Aluminium Doors & Windows – Available for trade professionals, builders, and contractors.
✔ Full Installation Service – Our expert fitters ensure perfectly installed aluminium glazing solutions.
At Durajoin Aluminium Windows and Doors, we don’t just provide traditional external windows and doors—we also specialise in slimline internal glass doors for residential and commercial properties in Stevenage.
Our offerings include:
✔ Sliding Glass Doors – Sleek, modern glass doors to make home more welcoming.
✔ Internal Double Doors – High-performance French glass doors to enjoy living space.
✔ Commercial Partition Walls – Elegant internal glass solutions to enhance soundproofing and office interior.
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 Stevenage 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.
Postcode We Serve
✔ Are you looking for windows, doors, conservatories, or roof lights?
✔ Do you need supply only or full installation?
✔ 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.
✔ Speak to our experts for a detailed, no-obligation quotation.
✔ Fast lead times – orders completed within 7 days.
Aluminium windows offer stronger, slimmer frames with a longer lifespan than uPVC. They are weather-resistant, energy-efficient, and highly secure, making them ideal for both residential and commercial properties.
Yes! We offer supply-only aluminium windows and doors for builders, contractors, and DIY homeowners. Our team can help you choose the right profiles, finishes, and glazing options.
✔ Supply-Only Orders: 5-7 days
✔ Supply & Installation: 7-14 days (depending on project size)
Yes! All our aluminium windows come with A-rated double glazing for superior thermal insulation and noise reduction.
The most requested designs include:
✔ Slimline Casement Windows – Modern, energy-efficient, and customisable.
✔ Heritage Windows – Classic aesthetics for period homes.
✔ Sliding Windows – Space-saving and ideal for apartments and offices.
✔ Sash Windows – Traditional style with modern functionality.
Our aluminium doors are fitted with multi-point locking systems, impact-resistant glass, and reinforced frames, ensuring high security for homes and businesses.
Yes, we offer flexible financing plans to help you spread the cost of your aluminium window and door installation.
📞 Speak to an Expert Today: +44 203 576 2142
