s A.2 Conditions
(1) Class A(a) and Class A(c) development is permitted subject to the condition that any antenna or supporting apparatus, radio equipment housing or development ancillary to radio equipment housing installed, altered or replaced on a building in accordance with that permission must, so far as is practicable, be sited so as to minimise its effect on the external appearance of the building. (2) Class A(a) and Class A(c) development is permitted subject to the condition that any apparatus or structure provided in accordance with that permission must be removed from the land, building or structure on which it is situated— (a) if such development was carried out in an emergency on any protected land, at the expiry of the relevant period, or (b) in any other case, as soon as reasonably practicable after it is no longer required for any electronic communications purposes, and such land, building or structure must be restored to its condition before the development took place or to any other condition as may be agreed in writing between the local planning authority and the developer. (3) Class A(b) development is permitted subject to the condition that any apparatus or structure provided in accordance with that permission must be removed from the land at the expiry of the relevant period and the land restored to its condition before the development took place. (4) Except in relation to development described in paragraph (5) and subject to paragraph (7), class A development on— (a) protected land, or (b) unprotected land consisting of the installation, alteration or replacement of— (i) a mast; (ii) an antenna on a building or structure (other than a mast) where the antenna (including any supporting structure) would exceed the height of the building or structure at the point where it is installed or to be installed by six metres or more; (iii) a public call box; (iv) radio equipment housing, where the volume of any single development is in excess of 2.5 cubic metres, is permitted subject, except in case of emergency, to the conditions set out in A.3. (5) Class A development on any article 1(5) land, which consists of the installation, alteration or replacement of a telegraph pole, cabinet or line, in connection with the provision of fixed-line broadband, is permitted, subject to the conditions set out in paragraph (6). (6) The conditions are— (a) the developer must give one month’s notice, in writing, to the relevant local planning authority and to the Natural Resources Body for Wales where the development, or any part of it, is in— (i) a National Park, or (ii) an area of outstanding natural beauty; (b) the notice to be given under paragraph (a) must state the developer’s intention to install electronic communications apparatus, describe the apparatus and identify the location where it is proposed to install it; (c) any cabinet must be: (i) green; (ii) black (except matt black); or (iii) a colour which has the written approval of the local planning authority prior to the commencement of the development; (d) any telegraph pole must have the same appearance and be made of the same material as the nearest existing telegraph pole to it which has planning permission, unless an alternative appearance or material has been approved in writing by the local planning authority prior to the commencement of the development. (7) Paragraph (4) does not apply to development consisting of the alteration or replacement of a mast— (a) on any protected land which excluding any antenna would not, when altered or replaced, exceed the greater of the height of the existing mast and 15 metres above ground level; (b) on unprotected land which excluding any antenna would not, when altered or replaced, exceed the greater of the height of the existing mast and 20 metres above ground level.