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

If you cannot find the answer to your query above, please send us a message using the contact form. We’ll be in touch as soon as possible.


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