.All residential dwellings such as the following buildings can use NatHERS star rating for their energy reports:
- Class 1a dwelling: detached house or one of a group of attached dwellings including townhouse.
- Class 2 buildings: an apartment building (multi-residential) containing two or more sole occupancy units. In the case of a multi-residential, the whole building collectively must achieve a 6 star average.
- Class 4 part of a building: a sole residential dwelling inside a commercial building.
NatHERS star rating scheme doesn’t cover Class 1b or Class 3 buildings.