2. In these Regulations—
“the 1977 Order” means the Rates (Northern Ireland) Order 1977;
“accessible roof space” means space between the roof of a dwelling-house and the ceiling of any room used or available for use for the purpose of living accommodation, where that space—
is not wholly separated from the roof by any other room; and
is accessible through a properly constructed opening;
“applicant” means a person who has made an application under regulation 6;
“agent”—
in regulations 4(7)(e) and 6 means the Energy Saving Trust; and
in regulation 7 means the district council for the district in which the dwelling-house, the subject matter of an application, is situated;
“cavity wall insulation” means insulation between the internal and external leaves of masonry cavity walls of a dwelling-house;
“housing association” has the meaning assigned by Article 3 of the Housing (Northern Ireland) Order 1992(1);
“loft insulation” means insulation in any accessible roof space in a dwelling-house;
“Minister of the Crown” has the same meaning as in the Ministers of the Crown Act 1975(2);
“prescribed sum” means the sum prescribed by regulation 5 for the purposes of paragraph (1) of Article 30D of the 1977 Order;
“reduction” means a reduction under regulation 4(1);
“registered installer” means—
in respect of loft insulation, an installer registered with the National Insulation Association; and
in respect of cavity wall insulation, an installer registered with the Cavity Insulation Guarantee Agency; and
“suitability assessment” means an evaluation carried out by a registered installer prior to any work being undertaken, in order to assess the suitability of a dwelling-house for the installation of an energy efficiency measure.