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FENSA is set up by the double glazing industry to help protect homeowners.

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Find your local double glazing window fitter

Enter your own FULL postcode to find the FENSA registered double glazing company nearest you:

Example: SW18 92P

(include UK nationwide companies)

Enter the EXACT company name to check the FENSA registered double glazing company database:


FENSA, we independently assess double glazing companies, so you don't have to