Premium Aluminium Windows, Made to Measure in the UK
Factory Direct • Made to Fit • Nationwide Delivery
PAS24 & Secure by Design Tested
Made to measure
Made in the UK
Trade & public welcome
The Cortizo Casement system is a masterclass in modern architectural design, offering a sleek, minimalist look that enhances any property. Its slim aluminium profiles are designed to maximize natural light, creating bright and airy interiors without compromising on structural integrity. For those seeking a specific look, the system is available in both standard and flush-frame options, providing a seamless, symmetrical finish that sits perfectly level with the exterior wall. With a vast palette of powder-coated RAL colors, textured finishes, and even wood-effect foils, these windows can be tailored to match everything from ultra-modern developments to sensitive traditional renovations.
Colours
Matte Anthracite Grey
Matte Jet Black
Gloss 9016 White
Custom Ral
Intentional design
System: Casement Window
Operation: High Quality Hinges
Maximum sash width: 1200mm Top Hung or 950 Side Hung
Maximum sash height: 1300mm Top Hung or Side Hung
Sash options: Side or top hung options available
Configurations: Large variety of configurations available
Style Options: Flush Sash, Standard sash and dummy sash options available
Quality first
Thermal break: 32mm polyamide
Thermal performance: U-values from 0.9 W/m²K
Frame finish: Powder-coated aluminium
Standard colours: Anthracite Grey, Black, White
Dual colour: Available (e.g. grey outside / white inside)
Security: anti-snap cylinders as standard
Compliance: PAS 24 tested
Engineered for the demanding homeowner, the Cortizo Casement system delivers world-class performance across the board. It features an advanced thermal break system and high-quality EPDM gaskets, achieving impressive U-values that keep your home warm in the winter and cool in the summer. Security is equally prioritized; the system is fully compatible with multi-point locking hardware and has undergone rigorous testing to meet PAS 24 standards. This combination of weather resistance, acoustic insulation, and robust protection ensures that your home remains a quiet, safe, and energy-efficient sanctuary regardless of the conditions outside.
Frequently asked questions about Windows
Can you make gable windows?
Yes, we manufacture a large range of gable/shaped frame windows, you can see plenty of pictures of these in our project portfolio. It is best to send us a drawing of your gable to get a quote as there are a lot of different configurations.
Do have a hertiage effect window?
Yes. We offer 2 different astragal bar options to achieve this look 35mm& 20mm.
Can you make gable windows?
Yes, we manufacture a large range of gable/shaped frame windows, you can see plenty of pictures of these in our project portfolio. It is best to send us a drawing of your gable to get a quote as there are a lot of different configurations.
Can I have trickle vents?
Yes trickle vents are available on all of our systems.
What is the difference between standard casement and flush sash?
Flush sash gives a slightly more premium and balanced look, as any non opening windows have a "dummy sash", they also fit completely flush within the frame adding to the aesthetic of any property. Flush sash is slightly more expensive than standard casement.
What is your current leadtime?
You can find all our current lead times on our delivery page
Can I have trickle vents?
Yes trickle vents are available on all of our systems.
What is the difference between standard casement and flush sash?
Flush sash gives a slightly more premium and balanced look, as any non opening windows have a "dummy sash", they also fit completely flush within the frame adding to the aesthetic of any property. Flush sash is slightly more expensive than standard casement.
What is your current leadtime?
You can find all our current lead times on our delivery page