Based in Warminster, we are reputable installers of the following services in Frome, Westbury, Trowbridge, Melksham, Gillingham, Shaftesbury, Devizes and surrounding areas.


Awesome energy rated double & triple glazed window systems to suit any home, any project and every budget.

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Make a grand entrance with our eye-catching doors – individually designed & manufactured to your unique requirements.

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Make the most of the outdoors in with our dreamy, bespoke built conservatories and orangeries, individually designed for your home.

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Premier installers of these household brands

We get a kick out of making people happy

When we put a smile on your face, it will certainly put a smile on ours!

We’re a no pressure, no nonsense, non-deposit taking, friendly company – which is why 70% of our weekly enquiries come from kind referrals and returning customers.

We’ve been making local home-owners in Warminster, Frome, Trowbridge, Westbury and surrounding areas happy for more than 34 years with our unrivalled range of high security, energy efficient, double glazing products.

We crave praise and we are proud to admit it!


Why choose us?

  • Founded in 1987
  • Friendly and professional service
  • More than 100,000 happy customers
  • More than 1,600 repeat customers annually
  • Over 1000 annual customer recommendations
  • No deposits are required
  • All installations are CERTASS-approved
  • Experienced and friendly installers
  • Non-discounted quotes valid for 12 months
  • Highly acclaimed customer after-care and service guarantee

The Thermaglaze Family

Like the look of our service and products but not based in our catchment area? Take a look at our 2 sister companies in the surrounding area.

Clearglaze Windows

Based in Bath, we cover the following areas: Bradford on Avon, Radstock, Keynsham, Chippenham, Saltford and Midsomer Norton.