# The Town and Country Planning (General Permitted Development) (England) Order 2015, Paragraph A.1: Development not permitted


Development is not permitted by Class A(a) if the works involve the extension of the building or monument.

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Source: https://www.legislation.gov.uk/uksi/2015/596/schedule/2/part/11/crossheading/class-a-development-by-historic-england/paragraph/A.1 (the official version)
Page: https://openlegislation.uk/town-and-country-planning-general-permitted-development-england-order-2015/schedule-2/part-11/crossheading-class-a-development-by-historic-england/paragraph-A.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.