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.
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.
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.
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.