Definition of “relevant design standard”
1.—(1) Subject to sub-paragraph (3), a physical feature, in relation to a building situated in England or Wales, satisfies the relevant design standard for the purposes of regulation 3(3) where it accords with the relevant objectives, design considerations and provisions in Approved Document M.
(2) Subject to sub-paragraph (3), a physical feature, in relation to a building situated in Scotland, satisfies the relevant design standard for the purposes of regulation 3(3) where the feature accords with the Technical Standards relevant in relation to that feature; but the feature does not satisfy the relevant design standard where the relevant Technical Standards are those which were in effect before 30th June 1994 or those which are brought into effect after 31st March 2002(1).
(3) However a physical feature does not satisfy the relevant design standard where more than 10 years have elapsed since—
(a)the day on which the construction or installation of the feature was completed; or
(b)in the case of a physical feature provided as part of a larger building project, the day on which the works in relation to that project were completed.
Effect is given to the Technical Standards by S.I. 1994/1266, S.I. 1996/2251, S.I. 1997/2157, S.S.I. 1999/173, S.S.I. 2001/320.