Regulation 22 Conservation of fuel and power
In a building to which this regulation applies, reasonable provision shall be made for the conservation of fuel and power.
This regulation shall apply to all buildings other than–
buildings of purpose groups 2 to 7 inclusive which–
are limited life buildings;
have a total floor area not exceeding 30 square metres; or
are unheated or have a space heating system which is designed to give a maximum output not exceeding 25 watts per square metre of floor area;
buildings of one storey which have a fabric covering and are supported by a frame or by air pressure;
circulation and service areas in buildings comprising more than one dwelling which are not part of an individual dwelling;
conservatories, greenhouses, garages, stores, wash-houses, watercloset compartments and other accommodation which are ancillary to and form part of a building of purpose group 1 and which have external access; and
buildings of purpose group 6 or 7 which have a space heating system which is designed to give a maximum output not exceeding 50 watts per square metre of floor area.