FENSA is the largest competent person scheme in the UK with over 6,500 Approved Installers as part of its community. FENSA have issued over 15 million certificates across England and Wales since being founded in 2002 and our network of FENSA Approved Installers install over 2 million windows every year.

A recent survey showed that 73% of all homeowners would only consider using a FENSA Approved Installer when replacing their windows and doors. On the FENSA website, every single FENSA Approved Installer can receive homeowner leads for free straight to their inbox.