3. In Class A of Part 24—
(a)after paragraph 1(d), insert:
“(dd)in the case of the installation, alteration or replacement of apparatus (other than an antenna) on a mast, the height of the mast would, when the apparatus was installed, altered or replaced, exceed any relevant height limit specified in respect of apparatus in paragraphs A.1 (a), (b), (c) and (d), and for the purposes of applying the limit specified in sub-paragraph (c), the words “(taken by itself)” shall be omitted;”
(b)in paragraph 1(f)(iii), after “development”, insert “(other than the installation, alteration or replacement of one small antenna)”;
(c)in paragraph 1(g)(ii), after “development”, insert “(other than the installation, alteration or replacement of a maximum of two small antennas)”;
(d)in paragraph 1(h), after “in the case of development of any article 1(5) land”, insert “(other than the installation, alteration or replacement of one small antenna on a dwellinghouse or within the curtilage of a dwellinghouse)”;
(e)at the end of paragraph 1(k), omit the word “or”;
(f)for paragraph 1(1), substitute:
“(l)in the case of the installation, alteration or replacement on a dwellinghouse or within the curtilage of a dwellinghouse of any telecommunications apparatus, that apparatus—
(i)is not a small antenna;
(ii)being a small antenna, would result in the presence on that dwellinghouse or within the curtilage of that dwellinghouse of more than one such antenna; or
(iii)being a small antenna, is to be located on a roof or on a chimney so that the highest part of the antenna would exceed in height the highest part of that roof or chimney respectively;”;
(g)after paragraph 1(1), insert:
“(m)in the case of the installation, alteration or replacement on article 1(5) land of a small antenna on a dwellinghouse or within the curtilage of a dwellinghouse, the antenna is to be located—
(i)on a chimney;
(ii)on a building which exceeds 15 metres in height;
(iii)on a wall or roof slope which fronts a highway; or
(iv)in the Broads, on a wall or roof slope which fronts a waterway;
(n)in the case of the installation, alteration or replacement of a small antenna on a building which is not a dwellinghouse or within the curtilage of a dwellinghouse—
(i)the building is on article 1(5) land;
(ii)the building is less than 15 metres in height, and the development would result in the presence on that building of more than one such antenna; or
(iii)the building is 15 metres or more in height, and the development would result in the presence on that building of more than two such antennas.”; and
(h)in paragraph 3, after the definition of “relevant period”, insert:
““small antenna” means an antenna which—
is for use in connection with a telephone system operating on a point to fixed multi-point basis;
does not exceed 50 centimetres in any linear measurement; and
does not, in two-dimensional profile, have an area exceeding 1,591 square centimetres;
and any calculation for the purposes of (b) and (c) shall exclude any feed element, reinforcing rim mountings and brackets.”