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Firmfix quality BSi kitemarks for manufacture and installation of windows, doors & conservatories

Timber Double Glazing, from Firmfix Tewkesbury, Cheltenham, Gloucester and the cotswolds.

Firmfix also supply and install timber products for those jobs that have to be in wood, such as conservation areas and for those people who just prefer the material over PVcu and Aluminium.

We spent a long time choosing our timber supplier so we can offer you the very best. Bereco won our business purely on quality. Although in the short term, Bereco windows and doors are not the cheapest option, they will outlast most of their competition making them cheaper in the long term.


A choice of ironmongery in several finishes are available to suit your specific requirements.

Bereco products are made from engineered timber. This means that the timber is made up from thin pieces of wood that are laminated together. This ensures that the timber will not warp, twist, crack or rot. That’s why Bereco can offer a 30 year guarantee on the timber.

Timber Finish
The frames come to Firmfix fully finished in the colour you choose so you wont have to stain or paint your new purchase. Bereco guarantee the factory finish for 10 years.

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