BESPOKE CONFIGURATIONS
Thermal performance
Our Architectural fixed windows offer advanced thermal performance. Threaded screws bind the corners together, providing a sleek aluminium frame and smooth aesthetics.
Frame options
Advanced weatherproofing
featuring revolutionary InsuLock technology
Inside every Endurance fixed window is an innovative multi-chamber thermal core. The revolutionary InsuLock technology provides market-leading performance, ensuring every window and door complies with building regulations and keeps your home warm and comfortable.
POPULAR window CONFIGURATIONS
If you had something else in mind, we also provide casement, French and bay aluminium windows. These popular configurations offer all the benefits of quality aluminium and match our door range.
product gallery
Take a look through our gallery to find design inspiration for your home. You can view both our Heritage and Architectural fixed windows and see other projects.
COLOURS TO SUIT YOUR STYLE
Our casement windows are available in nine powder-coated colours, with the option for different finishes on either side of the door. Three additional premium anodised colours can also be requested for a high end finish.
TECHNICAL INFORMATION
U-VALUE AS LOW AS: 1.4
PART L COMPLIANT
Document Q
Want to know more?
What is the difference between fixed windows and other window types?
As their name suggests, fixed window are designed to not open and have no moving parts. They are also sometimes known as picture windows. They’re ideal for areas where ventilation is not needed, or as larger windows to complement modern architecture.
What are the advantages of fixed windows?
Aluminium fixed windows are highly secure, and require less maintenance than other window configurations. They are also highly energy efficient with fewer air leaks.
Are fixed windows harder to clean?
Where fixed windows don’t open, they can be harder to clean when installed in high and hard to reach areas. Read our general maintenance guide here.
What rooms are best for fixed windows?
Fixed windows can often be found as large picture windows in living and dining areas, bathrooms, commercial spaces or as part of a decorative window design.