Welcome to FENSA - "The industry gold standard for replacement windows and doors - the proven brand trusted and demanded by consumers and local authorities"

Installer Area

Homeowner Area

Reorder your FENSA Certificate

FENSA Registered Business Website

FENSA in Partnership with:

CLG - Communities and Local Government

Over 9000 registered businesses.

Over 6 million homeowner FENSA certificates.

Over 24% of households in England and Wales have used FENSA to comply with the Building Regulations.