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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 either the FULL Postcode or the FIRST PART only:

Examples: SE1, NW10, SW18 92P

(include UK nationwide companies)

Enter the Company Name (at least 5 characters):

Example: 'Smith' finds 'John Smith', 'Smiths Ltd', etc.

Enter the Town or County (at least 3 characters):

(include UK nationwide companies)

Enter the FENSA Company Number if known (5 digits):

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