FENSA monitors replacement of the following for compliance to relevant Building Regulations in residential properties in England and Wales*:
- External windows
- External doors
- Roof windows
- Roof lights
*Provided they are cited on their original footprint in a heated area, where the use or size of rooms has not been altered. Cut out & fill in scenarios are also acceptable just as long as you have not made the aperture any wider.
FENSA doesn't monitor:
- New conservatories
- New porches or existing porches where there is no heating
- Loft conversions
- Property conversions (i.e. a house being split into multiple flats)
- New builds
- New extensions
- Repairs (where frame not included)
- Commercial properties