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


Development is permitted by Class C subject to the condition that the hard surface must be—
(a) porous or permeable; or
(b) provided to direct run-off water from the hard surface to a porous or permeable area or surface within the curtilage of the industrial building or warehouse; and
(c) permanently maintained so that it continues to comply with the requirements of paragraph (a) and (b).

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Source: https://www.legislation.gov.uk/uksi/1995/418/schedule/2/part/8/paragraph/C.2 (the official version)
Page: https://openlegislation.uk/town-and-country-planning-general-permitted-development-order-1995/schedule-2/part-8/paragraph-C.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.