Stunning 'A' Rated double and triple glazed window systems

Here at Thermaglaze we supply and install stunning new windows designed to suit every type of property for both the replacement domestic home improvement and the new build market.

Window installations have been at the core of Thermaglaze since it’s conception in 1987, 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 look-alike uPVC windows are also an important part of our product range.

Our Sutton Veny based showroom is open 6 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.

Feel free to contact us for any further information you may require.

Our A-rated windows can reduce the energy required to heat your home, minimising your energy bills

Stunning new windows designed to suit every type of property
Stunning new windows designed to suit every type of property

10 year no-quibble guarantee on all installations

From listed buildings to new build projects, our industry backed 10 year guarantee is standard on all our replacement windows, doors and conservatories. Want to find out more about our guarantee?

Professional CERTASS approved installations

The Thermaglaze team is experienced and trained to a high standard to install, and only use the highest quality materials to ensure your windows achieve thermal efficiency, long lasting durability and are finished to a superior standard. All Thermaglaze installations are CERTASS approved.

The perfect window style for your perfect home.
You are always caring, courteous and competitive. First class service.
K.S – Garage Door and Panel, Warminster
Dean who installed the door was so polite
Mrs C W – Solidor Composite Door, Westbury
Have dealt with this company for over 25 years
Mr J.V – Residence 9 Windows, Trowbridge