uPVC Kömmerling Casement Windows for Trade

uPVC Windows Designed for Performance, Style & Easy Installation.

Trade Supplier of Kömmerling Casement Windows, renowned for sleek design, superior energy efficiency, and advanced security.

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Supplier of Kömmerling Casement Windows to trade professionals, renowned for their sleek design, superior energy efficiency, and advanced security. Kömmerling windows provide outstanding thermal insulation, durability, and aesthetics—ideal for new build and refurbishment projects.

Why Choose Kömmerling Casement Windows?

Innovation Meets Performance

70mm Welded Outer Frame

Designed for maximum durability and structural integrity.

Energy Efficient

Achieves A++ energy ratings, with U-values as low as 1.4 W/m²K.

Secure & Safe

Multi-point locking system, PAS24 tested for superior security.

Eco-Friendly

Manufactured from lead-free, recyclable PVCu, using sustainable processes.

Low Maintenance

Will never rust, warp, or require painting—simply clean with soapy water.

Sleek Design Options

Available in sculptured, chamfered, and flush profiles for a contemporary or traditional look.

Versatile Kömmerling Casement Window Styles for Every Trade Project

At Nova Trade Frames, we supply Kömmerling Casement Windows with fast turnaround times, competitive trade pricing, and expert support. Whether you’re a developer, installer, or contractor, our tailored solutions help you deliver high-quality, cost-effective results.

Kömmerling Casement Windows offer a timeless aesthetic with the latest advancements in uPVC technology, making them a versatile choice for any property.

Available in a wide range of colours, finishes and glazing options, they are easy to install and your customers will love them!

Kömmerling Casement Windows Technical Specifications

Feature	Specification
Profile Depth	70mm
Max Window Size	1200 x 1200mm (top hung), 900 x 1500mm (side hung)
Thermal Performance	1.4 W/m²K U-value (A++ energy rating)
Glass Thickness	28mm – 40mm glazing bead options
Max Sash Weight	40kg
Accreditations	Part L Compliant, BFRC Rated, PAS24 Security Tested

Energy Efficiency & Sustainable Kömmerling Casement Windows.

Kömmerling Casement Windows are designed for superior thermal insulation, reducing heat loss while maintaining structural strength.

The multi-chamber profile ensures excellent soundproofing and energy efficiency, while the use of lead-free, recyclable PVCu makes them an eco-friendly choice for modern domestic window requirements.

Trade-Ready Kömmerling Casement Window Solutions with Nova Trade Frames.

At Nova Trade Frames, we supply high-performance Kömmerling casement windows designed for the trade market. With fast lead times, competitive trade pricing, and expert technical support, we help installers, developers, and contractors deliver reliable, energy-efficient window solutions.

Whether you’re working on new-builds or refurbishments, our Kömmerling casement windows are custom-made to suit your exact project requirements.

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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

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Frequently Asked Questions

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Are Kömmerling Casement Windows suitable for both modern and traditional properties?

Yes, Kömmerling windows are available in sculptured, chamfered, and flush casement styles, making them ideal for both contemporary and heritage properties.

What U-values can Kömmerling Casement Windows achieve?

These windows can reach U-values as low as 1.4 W/m²K, ensuring outstanding thermal efficiency.

Are Kömmerling windows a sustainable choice?

Absolutely. Kömmerling windows are made using lead-free, recyclable PVCu, with the TOTAL70C system using up to 75% post-consumer waste.

How do Kömmerling Casement Windows compare to traditional timber windows?

They offer the same classic aesthetics but with the modern benefits of uPVC, including low maintenance, improved thermal efficiency, and enhanced security.

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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."

Rob James

Professional contractor

"Started purchasing from Nova for our frames and cannot be happier. Excellent customer service, top-quality products and quick delivery times."

Heatshield GB

"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"

Mica Plange

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