# The Town and Country Planning (General Permitted Development) Order 1995, Paragraph A.4: Interpretation of Class A


Development falls within this paragraph if—
(a) it is urgently required for the efficient running of the airbase, and
(b) it consists of the carrying out of works, or the erection or construction of a structure or of an ancillary building, or the placing on land of equipment, and the works, structure, building, or equipment do not exceed 4 metres in height or 200 cubic metres in capacity.

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Source: https://www.legislation.gov.uk/uksi/1995/418/schedule/2/part/35/chapter/1/paragraph/A.4 (the official version)
Page: https://openlegislation.uk/town-and-country-planning-general-permitted-development-order-1995/schedule-2/part-35/chapter-1/paragraph-A.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.