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uPVC Windows in High Wycombe, Aylesbury & Buckinghamshire

When it comes to selecting windows that surpass in both thermal performance and energy efficiency, our uPVC windows stand out as the perfect choice. Whether you’re in High Wycombe, Aylesbury, anywhere in Buckinghamshire or beyond, these windows are engineered with meticulous attention to detail, ensuring a superior blend of functionality and aesthetic appeal.

Crafted with the highest quality uPVC material, our windows boast exceptional weatherproofing capabilities, guaranteeing that your property remains shielded from the ever-changing elements. The tight air-seal incorporated into their design not only fortifies against external factors but also delivers maximum thermal protection. This not only enhances the comfort of your living space but also translates into a significant reduction in energy costs, making them a sustainable and cost-effective choice for homeowners in High Wycombe, Aylesbury and neighbouring areas.

No project is too small or large, as our uPVC windows are designed to deliver high-quality performance across a spectrum of applications. From cosy homes to expansive commercial spaces, these windows provide not just an affordable solution but a promise of durability, reliability, and efficiency.

Choosing our uPVC windows means embracing a solution that seamlessly marries superior performance with an affordable price point. Elevate the aesthetics of your property in High Wycombe while enjoying the long-term benefits of enhanced thermal efficiency and reduced energy expenditure. Trust GB Windows to be your partner in transforming your space into one that not only looks impressive but also functions seamlessly with the environment and your budget in mind.


UPVC Window Styles

Casement Windows

Casement Windows

With their sleek and elegant design, casement windows allow for maximum natural light and ventilation to flow into your home. They are also easy to clean and maintain, as the outward opening design provides easy access to both the interior and exterior of the window.

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French Casement Windows

French Casement Windows

French casement windows add a touch of European elegance to any home. Featuring a dual-sash design, these windows offer improved views and increased ventilation compared to traditional casement windows. The sashes can be opened independently or together.

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Flush Sash Windows

Flush Sash Windows

Inspired by the design of traditional timber joinery, these windows feature a sleek and streamlined look with sashes that sit flush in the frame. This design provides a subtle and sophisticated appearance, while also improving the energy efficiency.

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Sash Horn Windows

Sash Horn Windows

Featuring an ornamental "sash horn" design at the top, these windows are designed to capture the look and feel of traditional, timber-framed windows while offering the modern performance and convenience of double glazing.

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Sliding Sash Windows

Sliding Sash Windows

These windows feature two sashes that slide vertically up and down, allowing for easy and convenient ventilation. The design of sliding sash windows is inspired by classic timber joinery, and they offer a traditional aesthetic that can be customized to suit the style of your home.

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Tilt & Turn Windows

Tilt & Turn Windows

These windows can open in two ways, either by tilting the top portion inwards or by turning the entire sash. This makes them ideal for upper floors, as they can be easily cleaned from the inside.

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Light Grey

Dark Blue

Dark Grey

Irish Oak

Dark Red

White Foil



Anthracite Matte


Anthracite Grained


Cream Foil


Light Grey

Golden Oak

Dark Green

Swamp Oak


Black Foil

Agate Grey



Rustic Oak


Chartwell Green

Pilkington Oriel Texture Coppice

Pilkington Oriel Texture Canterbury

Pilkington Oriel Laurel

Pilkington Oriel Texture Brocade

Pilkington Oriel Canterbury

Pilkington Oriel Canterbury






Pilkington Oriel Brocade






Pilkington Oriel Brocade




Charcoal Sticks