uPVC Box Sash

Beautiful uPVC box sash windows in Thame, Bicester and Oxford

Key Features

Range of timber species: Hardwood Sapele, Oak or Accoya engineered timber

Fully customisable glazing including bar or lead designs, high security, acoustic and a full range of obscure patterns

Choice of modern spiral balanced or traditional pulley & weight sliding mechanisms

Microporous factory finished as standard with multiple layered coats to create a durable, lasting finish. Massive choice of standard stains as well as the option of choosing any paint colour you like

A traditional range of ironmongery with the choice of external run through horns if required

Windmill Windows sliding sash windows are designed with traditions and aesthetics at the forefront with a full range of traditional furniture and the options of the standard welded finished joints to the full timber effect system on offer.

Our traditional sliding sash windows are designed to offer customers the potential to perfectly match the existing timber product in their home or install a fantastic cost effective sliding sash solution to the timber version. Offering both the Spectus & Full Authentic Ultimate system with slim transoms and timber joints, we have in our opinion the best uPVC Box Sash system options available on the market.

Taking all the finest points of the traditional design our uPVC versions match the aesthetic appeal while offering superior performance and maintenance benefits. Weights and pulleys are replaced by sophisticated spring and spiral balances, and a unique tilt facility enables cleaning of sashes safely from the inside.

With the traditional furniture, options of decorative or run through horns and choice of a wood grain finish, our vertical sliding sash windows offers both elegance and traditional design in one whilst providing the additional benefits of uPVC thermal performance and low maintenance.

A choice of colours

Along with being beautifully made to the highest of specification standards, you can choose a bespoke design. The standard colour range offers a great variety of stains and painted finishes. Windmill Windows provide timber box sash windows in any colour, allowing you to put your stamp on the final finish. The windows all come fully finished from the factory receiving a three-layered microporous paint treatment.

Brochure: uPVC Box Sash - Standard Joints Brochure: uPVC Box Sash - Timber Effect

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Explore our gallery

With over 20 years of experience, we have tackled a range of window and door projects across Thame and the surrounding area. You can explore our gallery below and see our workmanship for yourself.

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Customer testimonials

When it comes to customer satisfaction, the dedicated team at Windmill Windows works hard to maintain our excellent reputation. You can read through our testimonials below and see how we go above and beyond for all our customers.

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