✔ Casement Windows – Secure and energy-efficient, available in both slimline and standard profiles.
✔ Sliding Windows – Modern and space-saving, perfect for both residential and commercial buildings.
✔ Heritage Windows – Ideal for conservation areas and period properties, these windows combine classic aesthetics with modern security features.
✔ Sash Windows – A stylish option suitable for both contemporary and Victorian homes.
✔ Bifold Doors – Create a seamless indoor-outdoor connection, ideal for homes, restaurants, and offices.
✔ Sliding Patio Doors – High-performance, double-glazed aluminium sliding doors that offer a sleek and modern appearance.
✔ Aluminium Front Doors – Secure and stylish, available in a variety of finishes.
✔ French Doors – Classic and elegant double door, available in both double and triple-glazed options.
✔ Aluminium Roof Lanterns – Illuminate your home with natural light and stunning views.
✔ Aluminium Conservatories – Custom-designed, thermally efficient, and bespoke made to your requirements.
✔ Supply-Only Aluminium Doors and 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 offer more than just traditional external windows and doors—we also specialize in slimline internal glass doors for both residential and commercial properties in St Albans and Harpenden.
Our services include:
✔ Sliding Glass Doors – Sleek, modern designs that create a welcoming atmosphere in your home.
✔ Internal Double Doors – High-performance French glass doors that enhance your living space.
✔ Commercial Partition Walls – Elegant internal glass solutions that improve soundproofing and enhance office interiors.
✔ 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.
Durajoin is an ethically run window and doors fabrication company that serves the needs of the fenestration industry. Our goal is to provide high-quality, bespoke solutions for our clients, whether they require windows, doors, railings, gates, or Juliet balconies.
We work with a variety of materials, primarily uPVC, aluminum, timber, and metal. At Durajoin, our team of professionals is dedicated to assisting you by answering your queries and guiding you in choosing 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 St Albans, Harpenden 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
Aluminium windows provide stronger, slimmer frames with a longer lifespan than uPVC. They are weather-resistant, energy-efficient, and highly secure, making them suitable for both residential and commercial properties.
Yes! We provide supply-only aluminium windows and doors for builders, contractors, and DIY homeowners. Our team is available to assist you in selecting the right profiles, finishes, and glazing options.
✔ Supply-Only Orders: 5-7 days
✔ Supply & Installation: 7-14 days (depending on project size)
All our aluminum windows feature A-rated double glazing, ensuring 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 aluminum doors feature multi-point locking systems, impact-resistant glass, and reinforced frames, ensuring high security for both 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
