reg 9 Exempt buildings and work
(1) Subject to paragraphs (2) , (3) and (4) and regulation 21(1), these Regulations do not apply to— (a) the erection of any building or extension of a kind described in Schedule 2; or (b) the carrying out of any work to or in connection with such a building or extension, if after the carrying out of that work it is still a building or extension of a kind described in that Schedule. (2) The requirements of paragraphs G1 and G3(2) and (3) of Schedule 1 apply— (a) to any greenhouse which receives a cold or hot water supply from a source shared with or located inside a dwelling; and (b) to— (i) any small detached building falling within class 6 in Schedule 2; and (ii) any extension of a building falling within class 7 in Schedule 2, which in either case receives a cold or hot water supply from a source shared with or located inside any building other than a building or extension of a kind described in Schedule 2. (3) The requirements of Part P of Schedule 1 apply to— (a) any greenhouse used for domestic purposes ; (b) any small detached building falling within class 6 in Schedule 2; and (c) any extension of a building falling within class 7 in Schedule 2, which in any case receives its electricity from a source shared with or located inside a dwelling. (4) The requirements of paragraph R1 of Schedule 1 apply to buildings controlled under other legislation falling within class 1 in Schedule 2. (4) The requirements of paragraph R1 of Schedule 1 apply to buildings falling within paragraphs 1 and 2 of Class 1 (buildings controlled under other legislation) in Schedule 2.