uPVC Casement Windows North London

The uPVC casement windows we install for our customers throughout the London area look good from the inside and the outside. Using a higher ratio of glass-to-frame, they’ll reward you with clearer views of your garden, while letting in more natural light than a conventional uPVC casement window that hasn’t been engineered to the same exacting standards.

Our high-performing and aesthetically outstanding range of windows are manufactured by Liniar, an innovator and recognised industry leader in their field. To further guarantee the quality of our uPVC casement windows, we use TruFrame and Future Products as our suppliers, so you can depend on them to provide lasting quality for your home.

One of the key advantages of choosing uPVC casement windows for your home in or near London is that they’re easy to look after. No extensive maintenance will be required to preserve their colour or prevent them from rotting, blistering or warping. A quick wipe down with a soapy cloth is all that’s required to keep your windows looking beautiful all year round.



We can create your perfect look with our huge range of colours choices. There’s also a dual colour option, so while the exterior frame can match the building style, the interior colour can match or contrast the inside of your home.

Agate Grey


Anthracite (grained)

Anthracite (matte)


Black foil



Chartwell green

Cream foil

Dark blue

Dark green

Dark grey

Dark red

Golden oak

Irish Oak


Light grey




Rustic Oak


Swamp Oak

White foil



Anthracite Woodgrain

Black Woodgrain

Cream Woodgrain

Duck Egg Blue

French Blue

Glae Grey

Royal Magenta

Silver Grey

Slate Grey

Smooth Anthracite

Smooth Ivory

White Woodgrain

High Quality uPVC Casement Windows Across North London

Decorate your uPVC casement windows using an eclectic range of astragal and Georgian bars, then select from our extensive portfolio of colouring and woodgrain foil options to achieve an effect that’s truly unique. Our specialist team will work with you throughout the design process to ensure your made-to-measure windows are a perfect fit for your home in or near London – and are built to accommodate your home improvement budget.

Whether you opt for 28mm double or 36mm triple glazing, our uPVC casement windows – when built using Liniar’s EnergyPlus profile – will help you achieve U-ratings of up to 0.8%. You can depend on the quality of their construction to block out unwanted acoustic noise and retain heat, resulting in a peaceful and warm home environment. Save money and stay warm when you choose your brand-new uPVC casement windows from BBL.

BBL understands the intricacies of the uPVC casement windows it installs for its many customers throughout London and any of its surrounding areas. We can install your brand-new uPVC casement windows on a standalone basis. Perhaps you have been looking at Lean-to or Edwardian conservatories, which need to incorporate uPVC bi-folding doors and a new roofline. Either way, contact us today for an informal discussion.


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