6.—(1) The following works are not to be treated as development for the purposes of section 208 of PA 2008 (liability)—
(a)anything done by way of, or for the purpose of, the creation of a building of a kind mentioned in paragraph (2); and
(b)the carrying out of any work to, or in respect of, an existing building if, after the carrying out of that work, it is still a building of a kind mentioned in paragraph (2).
(2) The kinds of buildings mentioned in paragraph (1)(a) and (b) are—
(a)a building into which people do not normally go;
(b)a building into which people go only intermittently for the purpose of inspecting or maintaining fixed plant or machinery.