
HERITAGE CASEMENT WINDOWS
Bespoke Configurations
Aluminium casement windows are available in a wide range of configurations to suit your specific needs, offering combinations of top, bottom, and side openings. This flexibility allows you to customise each window to perfectly match its placement in your home, ensuring optimal ventilation, functionality, and aesthetic appeal. Whether you’re looking to maximise natural light, improve airflow, or enhance the overall look of your property, these versatile options provide you with a tailored solution for every room and style.
Frame Options to Suit your Style
Advanced Thermal Efficiency
Multipoint Locking
Slim Sightlines

featuring revolutionary InsuLock technology
Inside every Endurance Aluminium product is an innovative multi-chamber thermal core. This revolutionary InsuLock technology provides you with market leading thermal performance, ensuring every Heritage casement window and door complies with building regulations and keeps your home warm and comfortable.
POPULAR HERITAGE PRODUCTS
Our aluminium Heritage windows are also available in French, fixed, bay, and tilt and turn configurations. Each provides you with a different aesthetic and functionality, so it’s worth exploring our range to compare different options.
WINDOW HARDWARE
Our range of hardware has been carefully designed to complement both Heritage and Architectural window frame styles, offering you with a seamless and stylish look for any space.
design inspiration
Take a look through our gallery to find design inspiration for your home. You can view both our Heritage and Architectural casement windows and see other projects across the UK.
COLOURS TO SUIT YOUR STYLE
Our aluminium casement windows are available in nine powder-coated colours, with the option for different finishes on either side of your door. Three additional premium anodised colours can also be requested for a high end finish.
TECHNICAL INFORMATION

U-VALUE AS LOW AS: 1.5W
PART L COMPLIANT
PAS 24
EXPLORE OUR
MATCHING ALUMINIUM DOORS
Our doors are designed to perfectly complement our aluminium Heritage windows, ensuring a seamless and stylish appearance throughout your home.
DOWNLOAD OUR BROCHURE
Click below to download our aluminium window and door brochures. Inside, you will find a comprehensive selection of styles, colours and hardware to browse and compare.

Want to know more?
How energy-efficient are these casement windows?
Our aluminium casement windows can achieve excellent thermal performance, with U-values as low as 1.4 W/(m²K) for double glazing and as low as 1.0 W/(m²K) for triple glazing. This helps reduce heat loss and can lower your energy bills.
Are aluminium casement windows secure?
Yes, these aluminium windows carry PAS 24 security accreditation, They include high-security multi-point locking systems and hinge protectors to resist forced entry.
What other aluminium window types are available?
Both our Architectural and Heritage ranges feature French, fixed, and bay windows. Our complete range has a massive range of styling options, including frame options, a choice of hardware and handles and everything you need to make a statement.
What are the advantages of choosing an aluminium casement window?
Aluminium casement windows are a UK favourite, opening outward for simple operation and available in a wide range of configurations. The ultra-slim design and frame allows more natural light into your home, creating a bright and airy interior.