Why Join?

Why Join FENSA?

FENSA is the largest and longest established certification scheme for replacement windows, doors, roof windows and roof lights in England and Wales against the relevant Building Regulations. 

  • We are Government licensed and accredited
  • Over 13 million certificates to consumers over the last 15 years
  • 50% of UK households have used a FENSA Member
  • Our brand is well recognised and wins work
  • We are friendly and easy to deal with
  • Members get lots of support
  • What you see is what you get – no hidden nasty extras


Registered in England and Wales No 03058561