Trusted Aluminium Window Suppliers for Trade
At Prefix Systems, we have been fabricating and supplying high-quality aluminium windows to the trade for over 15 years. Produced at our dedicated Swansea facility, our experienced team of aluminium specialists fabricates each window to your precise specifications, ensuring exceptional accuracy and finish.
We serve customers across the whole of mainland UK
Prefix Systems supplies high-quality Smart Systems aluminium windows to the trade, offering installers access to premium, thermally efficient glazing solutions that enhance modern home designs.
Aluminium windows are fast replacing old wooden or PVC windows with more homeowners specifying this material. Aluminium Windows have slim sightlines and contemporary aesthetics which are suited to both traditional and contemporary properties or commercial buildings.
Window Systems
Alitherm 400 is a high-performance, thermally broken aluminium window system that delivers exceptional value, durability and security for both commercial and residential projects across the UK.
Designed for Heritage and Planning-Sensitive Projects. Alitherm Heritage is specifically developed for use in heritage-led applications, including listed building refurbishments and large-scale replica replacement schemes where planning requirements must be carefully addressed.
Smart Architectural Aluminium
We are committed to offering our customers only the highest quality products, which is why we partner with Smart Systems. As the UK’s leading supplier of high-performance aluminium window and door systems, Smart Systems delivers innovative, durable, and energy-efficient solutions for both residential and commercial projects. Every product is crafted with a focus on sustainability, precision engineering, and technical excellence.
Get a quote for aluminium windows
Get in touch with our team to discuss our window systems or get a quote.
- Visit our Showroom
Ystrad Trade Park,
Ystrad Rd,
Fforestfach,
Swansea,
SA5 4JB
Frequently Asked Questions
Are your aluminium windows PAS24 certified?
Yes, many of our aluminium windows and doors, particularly popular ranges like Alitherm 400 and Alitherm Heritage systems which are tested and certified to the PAS 24:2016 standard for enhanced security,
What frame styles do you offer?
We offer a range of frame styles, from traditional designs to contemporary, slimline aesthetics such as the Heritage range. Our products cater to various architectural needs, including casement, tilt-and-turn and fixed configurations.
Do you deliver across the UK?
Yes we deliver to any part of mainland UK.