Find a FENSA
Approved Installer
All the proof you need
Replacing windows or doors?
HOMEOWNERS
Remember to ask for a FENSA certificate
Before appointing an installer to replace windows or doors, check you'll get a FENSA certificate when the work's complete.
It's all the proof you need.
Why you need it
INSTALLERS
Become FENSA Approved
Boost your business for less than you think and reassure customers they’ll receive a FENSA certificate when the job’s done.
Find out why to join
What homeowners need to know
Buying or selling a property?
Check if the windows and doors were registered by FENSA and reorder your FENSA certificate if it's lost.
Search for a FENSA certificate
Harry's Advice
Harry is on a mission to help professionalise installers and protect homeowners across the UK.
Get some advice
How to find a window or door installer you can trust
