# The Town and Country Planning (General Permitted Development) Order 1995, Paragraph A.1: Condition


Development is not permitted by Class A if it consists of or includes—
(a) the erection, construction, alteration or extension of any building, bridge, aqueduct, pier or dam, or
(b) the formation, laying out or alteration of a means of access to any highway used by vehicular traffic,
unless the prior approval of the appropriate authority to the detailed plans and specifications is first obtained.

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Source: https://www.legislation.gov.uk/uksi/1995/418/schedule/2/part/11/crossheading/class-a/paragraph/A.1 (the official version)
Page: https://openlegislation.uk/town-and-country-planning-general-permitted-development-order-1995/schedule-2/part-11/crossheading-class-a/paragraph-A.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.