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FENSA works with thousands of double glazing contractors in England and Wales. In choosing a FENSA double glazing registered company the consumer is protected when purchasing double glazing for their home.

We are a building company based in the heart of the Derbyshire countryside.

Established in 1985 we have a wealth of experience and a huge customer base both in Derbyshire and Nottinghamshire areas.

We cover all aspects of building work, from driveways to a complete design and build service.


Our price is fixed for 30 days from the date of the quotation

The “Alison” Guarantee

We promise to carry out work to the highest standard and that subject to circumstances beyond our control your job will be started when agreed, completed as expediently as possible in a proper and workmanlike fashion.

All of our work comes with a guarantee; the time of the guarantee depends on the job and product used.