basementmeans a storey of which the floor is at any point more than 1.2 metres below the finished surface of the ground adjacent to it. 2E For the purposes of subsection (2D)(d) of this section, a storey is “adequately ventilated” if and only if— a it contains openings or ducts in its external enclosures which afford permanent ventilation from the external air;
special fire risk areaincludes an area— a where any of the following apparatus is installed— i a heat producing appliance designed to produce in excess of 220 kilowatts of heat;