“dwellinghouse” includes a building which consists wholly of flats;

“energy efficiency measure” means a measure to improve efficiency in the use by consumers of electricity, gas or any other source of energy;

“equipment” means anything which is plant for the purposes of section 82(6) of the Energy Act 2004;

“fuel poverty” has the meaning given by section 1 of the Warm Homes and Energy Conservation Act 2000;

“the GPDO” has the meaning given by section 3(1);

“renewable or low-carbon source” has the meaning given by section 2(7).