As unique as your home

Get a truly unique addition to your home with bespoke design and cutting-edge security. 

Every Bel’m door is entirely bespoke. Made to your exact specifications in France at their cutting-edge factory before being installed by our expert fitters to our precise standards.

NEW & Exclusive

We will initially be offering these doors to discerning homeowners across the south of England, covering Somerset, Bath, Bristol, Wiltshire, Dorset, Hampshire, Gloucestershire, Oxfordshire.

Only available from us

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Only available from us

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A201 Entrance Door

A-211 Entrance Door

Carbon Timber Entrance Door

Make the neighbours envious with a stunning door from Bel’m. Choose from a range of timber finishes or a unique aluminium door. Every door is bespoke and has plenty of hardware options so that it can be fully customised. 

Our doors offer world-class performance and come with several desirable features, including;

  • IFT Rosenheim high break-in resistance
  • RC2 Certified
  • Heat and sound insulation
  • 10-year guarantee

Whether you need a replacement or a new build, we are confident we have the door for you. Why not browse our range of Bel’m doors at our showrooms, Thermaglaze Sutton Veny or Clearglaze Bath?

NEW & Exclusive Bel’m Entrance Door

Bel’m Timber Entrance Doors

Our new & exclusive Range of Bel’m Entrance doors represent cutting-edge security, energy efficiency, beauty, and bespoke design.

Each Bel’m entrance door will be unique, as each door is 100% bespoke & will be fabricated to your exact desire in the state-of-the-art manufacturing facility in France & then installed by our own meticulous standards.

Create a real wow factor and opt for one of the beautiful Timber range doors available in a variety of finishes and with a plethora of hardware options to choose from. 

Our doors can even offer world class performance and quality with features such as electronic security locking. 
Whether it be New Build or Replacement, we are confident we will have the door for you.

Every door comes with the highly regarded and sought after IFT Rosenheim high break in resistance testing approval as standard, they are also RC2 certified & covered with our “industry leading” 10-year installation guarantee.

The Thermaglaze process

We pride ourselves on offering the very best experience for our customers throughout every stage of the process.
Known fondly as the “Thermaglaze experience".

From quote to installation, we make it easy for you!

"Have used Thermaglaze for many years. Always professional, helpful and very courteous. Delighted with completed work."

Mr J Watson








What our customers say

Don’t just take our word for it. Hear what our customers have to say!

You were able to offer us a slimline frame which matched the original windows and look more stylish than the thicker uPVC frames.

Mr & Mrs D.S

Slimline uPVC Window, Wincanton

No charge for sales on-site visit (others need commitment before site visit).


Bi Fold Door, Slimline Windows, Taunton

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.