Providing top quality windows, doors and more to the Wiltshire & Somerset areas for 30 years

..did we mention we never ask for a deposit?

Double Glazing Windows, Doors and more from Wiltshire & South West’s number one installer
Double Glazing Windows, Doors and more from Wiltshire & South West’s number one installer

The South West's leading home improvement company

Thermaglaze is the South West’s leading home improvements company. Established in 1987 and with a customer base of over 20,000 loyal customers from Warminster and the surrounding areas in the South West we have made our reputation by doing things our own way.

From our Warminster showroom in Wiltshire, we provide an unrivalled range of high security, energy efficient double glazing products, including A-rated windows, beautiful doors, bespoke conservatories and maintenance-free uPVC fascias, soffits and guttering throughout Wiltshire, Somerset, Dorset and Hampshire.

Our commitment to quality of service and product combined with a price-match promise, an industry-backed 10 guarantee and the fact that we never take a deposit allows us to offer the very best Thermaglaze experience to all of our customers.

Double Glazing Windows, Doors and more from Wiltshire & South West’s number one installer

Our mission: to exceed your expectations

Our dedication to honesty, quality and a service that is second-to-none has helped us become the South West’s number 1 provider of double glazing windows, doors and much more. Our over 20,000 customers trust us to do a great job and we in-turn trust our customers by never asking for a deposit

Door style originally attracted us.
H.T – New Solidor Front Door, Warminster
Excellent service
Mr MJ B – New Front Door, Wells
The new door looks amazing!
K.K -Solidor Composite Door, Warminster
We have used Thermaglaze since 1990.
Mr & Mrs S.H – Door, Warminster, Wiltshire
visited the showroom and made to feel so welcome
Mrs & Mrs J.H – Front door & utility door, Trowbridge

The Thermaglaze Experience

We are constantly striving to make your experience of dealing with us an extremely smooth and pleasant one, our team of dedicated and professional staff are here to ensure that we always have your very best interests at heart.

From the moment of your first contact through to final sign-off we are always on hand throughout the entire process of your installation, our aim is ensure that every step of the way is undertaken with as little fuss or disruption as possible.

Kindly take a few minutes to read through some of the many fantastic testimonials our customers have left for us – you’ll soon discover how important is to us that we provide the very best experience for you.

Mrs & Mrs J.H – Front door & utility door