# The Town and Country Planning (General Permitted Development) Order 1995, Paragraph A.2: Conditions


Development is permitted by Class A subject to the following conditions—
(a) any office building as extended or altered may only be used as part of, or for a purpose incidental to, the use of that office building;
(b) any office building as extended or altered must be constructed using materials which have a similar external appearance to those used for the building being extended or altered; and
(c) any alteration is at ground floor level only.

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Source: https://www.legislation.gov.uk/uksi/1995/418/schedule/2/part/41n1/paragraph/A.2 (the official version)
Page: https://openlegislation.uk/town-and-country-planning-general-permitted-development-order-1995/schedule-2/part-41n1/paragraph-A.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.