Our house is up for sale we had some work done on the roof, walls re rendered and new back door and windows. We accepted an offer 3 weeks ago. The solicitor has emailed me today the buyer is asking for 4 things, one of which is a fensa certificate i wasnt sure what one was and googled it and it looks like i should have one for the windows but i don't. I will ring the people who put the windows in tomorrow but what happens if I don't have the certificate?