2.—(1) The principal Regulations shall be amended in accordance with the following paragraphs.
(2) In regulation 5 (meaning of material change of use)—
(a)the word “or” after paragraph (e) shall be omitted; and
(b)there shall be added the following paragraph—
“or
(g)the building, which contains at least one dwelling, contains a greater or a lesser number of dwellings than it did previously.”
(3) In regulation 6 (requirements relating to material change of use), in paragraph 1(e), for “or (b)” there shall be substituted the following—
“, (b) or (g)”.
(4) In regulation 13A (unauthorised building work)—
(a)in paragraph (1)(b), for the words “by building regulations to deposit plans” there shall be substituted the words “(whether by these Regulations, other building regulations, the Act or the London Building Acts (Amendment) Act 1939(1) ) to deposit full plans”;
(b)in paragraph (4), for the words “Having taken such steps” there shall be substituted the words “When the applicant has taken any such steps required by the local authority”; and
(c)in paragraph (5)—
(i)the words “so far that” shall be omitted, and
(ii)in sub-paragraph (b), for the word “contravening” there shall be substituted the word “unauthorised”.