Our aluminium casement windows feature advanced multi-chamber thermal break technology, achieving A+ energy ratings and U-values as low as 1.0 W/m²K. Designed for durability and ease of installation, they offer airtight seals, secure fixings, and excellent thermal performance. With slim sightlines and clean aesthetics, they’re ideal for trade professionals looking for a modern aluminium window without the complexity.
Designed for modern & traditional glazing projects.
Slim Sightlines
As narrow as 88mm for a clean, contemporary look.
Thermal Break Technology
Multi-chamber design for superior insulation.
Double or Triple Glazing Options
U-values as low as 1.0 W/m²K.
PAS 24 Security Compliance
Optional laminated glazing and multi-point locking.
Fully Part L Compliant
Ready for the latest UK building regs.
Two Sash Styles Available
Choose from Stepped or Contemporary sash designs.
Flush or Standard Outer Frames
Ideal for both modern and heritage projects.
Durable Powder-Coated Finishes
Available in 12 standard colours, dual colour options, and 3 metallic shades
Apply Today for a Nova Trade Account.
At Nova Trade Frames we support our trade customers in a number of ways, always prioritising quality, price and customer satisfaction.
Expert advice & support
Fast delivery across the UK Mainland
Low trade prices and offers
UK manufactured in the EAST Midlands
Frequently Asked Questions
Are your aluminium casement windows Part L compliant?
Yes, our aluminium casement windows are fully compliant with the latest Part L building regulations. With U-values as low as 1.0 W/m²K, they meet the thermal performance standards required for both new builds and refurbishments.
What glazing options are available with Prestige Casement Windows?
Prestige Casement Windows are available with double or triple glazing, with unit thicknesses up to 44mm. Triple glazing offers enhanced thermal insulation and acoustic performance, ideal for high-spec projects.
Can these aluminium casement windows be fitted with flush or stepped frames?
Yes, you can choose between standard or flush outer frames, and select from two sash styles: stepped (for a traditional steel-look) or contemporary (for a modern, minimalist finish). This makes them suitable for a wide range of property styles.
Trusted by 100s of installers from around the UK
"Pleased to say after many years of using nova trade frames their service and quality has never changed, wouldn’t consider using any other pvc company, they have everything just right, price, quality and most importantly after sales service."
"Started purchasing from Nova for our frames and cannot be happier. Excellent customer service, top-quality products and quick delivery times."
"Recently purchased my windows from Nova - the service from start to finish was second to none and the product is the best quality out there. Would highly recommend"