# The Town and Country Planning (General Permitted Development) Order 1995, Paragraph A.3: Interpretation


For the purposes of Class A—
(a) where two or more original buildings are within the same curtilage and are used for the same institution, they are to be treated as a single original building in making any measurement; and
(b) “original school, college, university or hospital building” means any original building which is a school, college, university or hospital building, as the case may be, other than any building erected at any time under Class A.

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Source: https://www.legislation.gov.uk/uksi/1995/418/schedule/2/part/32/paragraph/A.3 (the official version)
Page: https://openlegislation.uk/town-and-country-planning-general-permitted-development-order-1995/schedule-2/part-32/paragraph-A.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.