Wiltshire’s leading installer of uPVC, Aluminium and Timber windows since 1987. With over 20,000 satisfied customers across Wiltshire, Dorset, Somerset & Hampshire, Thermaglaze are the number one go-to home improvement company in the south west.

Window installations have been at the core of Thermaglaze since it’s conception and as such has been an integral part of our product offering. Since the early days of offering only uPVC products in basic styles and colours our window offering has evolved into a wide choice of styles, colours and finishes, including contemporary aluminium offered in a choice of over 200 RAL colours. Traditional Timber windows are also an important part of our product range and are hand-crafted by local craftsmen who take exceptional pride in their high quality work.

Our Sutton veny based showroom is open 5 days a week offering a friendly, zero-pressure environment from which our loyal customers can browse our entire product offering while enjoying a cup of delicious fresh coffee.

Cottage Windows

Our casement and flush casement windows would look great in any cottage especially when combined...

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Secondary Glazing

Secondary Glazing is often the only option available whereby you can retain the external original...

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