# The Town and Country Planning (General Permitted Development) (Amendment) (Wales) Order 2013, Paragraph H.1: Development not permitted


Development is not permitted by Class H if—
(a) it would result in the presence on the dwellinghouse or within its curtilage of—
(i) more than two antennas;
(ii) a single antenna exceeding one metre in length;
(iii) two antennas which do not meet the relevant size criteria;
(iv) an antenna installed on a chimney, where the length of the antenna would exceed 60 centimetres;
(v) an antenna installed on a chimney, where the antenna would protrude above the chimney; or
(vi) an antenna with a cubic capacity in excess of 35 litres;
(b) in the case of an antenna to be installed on a roof without a chimney, the highest part of the antenna would be higher than the highest part of the roof;
(c) in the case of an antenna to be installed on a roof with a chimney, the highest part of the antenna would be higher than the highest part of the chimney, or 60 centimetres measured from the highest part of the ridge tiles of the roof, whichever is the lower; or
(d) in the case of article 1(5) land or a World Heritage Site, it would consist of the installation of an antenna—
(i) on a chimney, wall or roof slope which fronts, and is visible from, a highway; or
(ii) on a building which exceeds 15 metres in height.

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Source: https://www.legislation.gov.uk/wsi/2013/1776/schedule/paragraph/H.1 (the official version)
Page: https://openlegislation.uk/town-and-country-planning-general-permitted-development-amendment-wales-order-2013/schedule/paragraph-H.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.