# The Town and Country Planning (General Permitted Development) Order 1995, Paragraph G.1: Development not permitted


Development is not permitted by Class G if—
(a) the height of the chimney would exceed the highest part of the roof by 1 metre or more; or
(b) the dwellinghouse is located on article 1(5) land or within a World Heritage Site.

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