All new dwellings must now have a SAP calculation performed in order to demonstrate compliance with Part L of the building regulations.
All new dwellings must now have a SAP calculation performed in order to demonstrate compliance with Part L of the building regulations.
An extension with a floor area greater than 25% of the floor area will require a SAP calculation to be compliant with Part L of the building regulations.
If there is a material change in building usage then a SAP calculation will be required to adhere to Part L of the building regulations.
