12.1 Scope of guidance
This section provides guidance on the specification of fixed internal and external lighting for new and existing dwellings to meet relevant energy efficiency requirements in the Building Regulations.
12.2 Key terms
Circuit-watt means the power consumed in lighting circuits by lamps and, where applicable, their associated control gear (including transformers and drivers) and power factor correction equipment. Light fitting means a fixed light or lighting unit that can comprise one or more lamps and lampholders, control gear and an appropriate housing. The control gear may be integrated in the lamp or located elsewhere in or near to the fixed light. Fixed external lighting means lighting fixed to an external surface of the dwelling supplied from the occupier’s electrical system. It excludes lighting in common areas of blocks of flats and in other communal accessways.
12.3 Internal and external lighting
Fixed internal and external lighting should meet the minimum standards for efficacy and controls in Table 42. ****Table 42 Recommended minimum standards for fixed internal and external lighting**** ****Supplementary information****