# The Town and Country Planning (General Permitted Development) Order 1995, Paragraph B.1: Development not permitted


Development is not permitted by Class B if—
(a) the gross floor space of the building or enclosure would exceed 20 square metres;
(b) any part of the building or enclosure erected would be within;
(i) 5 metres of any boundary of the curtilage of the premises; or
(ii) 20 metres of any building used for residential purposes;
(c) the height of the building or enclosure would exceed 2.5 metres;
(d) the development would be on article 1(5) land;
(e) the development would be on land within a World Heritage Site;
(f) the development would be within the curtilage of a listed building; or
(g) the development would lead to a reduction in the space available for the parking and turning of vehicles.

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Source: https://www.legislation.gov.uk/uksi/1995/418/schedule/2/part/32/paragraph/B.1 (the official version)
Page: https://openlegislation.uk/town-and-country-planning-general-permitted-development-order-1995/schedule-2/part-32/paragraph-B.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.