FENSA certificates

Have a question about FENSA certificates? You'll likely find the answer on the Certificates page, where you can also find and order replacement certificates online.

Advice for customers

If you're a customer of a FENSA Approved Installer or are currently planning to replace your windows or doors, you'll find helpful advice and tips on our Advice page.

Issue with an installation?

Please contact your installer directly. If you need further help, first verify whether FENSA can assist by completing the 'If something goes wrong' widget on our Homeowners page.

Get in touch

For any certificate, installation, or other FENSA-related queries, homeowners and installers can contact FENSA either by filling out our online form or by calling the FENSA helpline at 020 7645 3700.

 

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