FENSA have nothing to do with it, they only concentrate on double glazing and doors.
Quote:
|
FENSA is a government-authorised scheme that monitors building regulation compliance for replacement windows and doors. Every FENSA Approved Installer, from large national brands to small local companies, is assessed regularly by us to ensure its standards are continually maintained.
|
https://www.fensa.org.uk/find-installers
The bottom line is you relied on facebook without independantly checking and ended up with a cowboy. TBH I don't feel sorry for you at all.