Windows
Aluminium Bay Windows
Add light, space and character with an aluminium bay. Slim frames make the most of every angle, and the result is a brighter room with a wider view.
Made to Measure
Built to your exact opening
Secure
PAS 24 compliant, multi-point locking
Energy Efficient
U-values as low as 1.0 W/m²K
Your Style
Colours, glass and hardware to suit your home
Why choose
Why choose our aluminium bay windows
Our bay windows are made on premium Cortizo profiles in 70mm or 79mm flush, to your exact angles and sizes. They’re PAS 24 compliant, reach U-values as low as 1.0 W/m²K with energy-efficient glass, and come in five standard colours or any RAL.
Key features
- Premium Cortizo profiles
- 70mm standard or 79mm flush
- U-values as low as 1.0 W/m²K
- PAS 24 compliant
- Made to your exact angles
- Five standard colours or any RAL
Specification
| System | Cortizo aluminium |
| Profile | 70mm or 79mm flush |
| Thermal | As low as 1.0 W/m²K |
| Security | PAS 24 |
| Colours | Five standard colourways or any RAL |
Colours
- Jet BlackRAL 9005
- Anthracite GreyRAL 7016
- Traffic WhiteRAL 9016
- Any RAL colourBespoke
Design online
Design your aluminium bay windows online
Choose your size, style, colour and glass, see it drawn as you go and get an instant price. Then order online, or send it to us for a free review.
Downloads
Brochures & guides
Measuring, installation and technical information for aluminium bay windows. See all downloads in Help & Guides.
Questions
Good to know
How do I measure a bay?
Measure each window section and the angles between them. Our measuring guides in Help & Guides take you through it step by step.
Can you replace an existing timber bay?
Yes. We make bays to the size and angles of your existing opening.
Which sections open?
You choose. Any section can be fixed or opening.
