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


Development by or on behalf of a sewerage undertaker consisting of—
(a) development not above ground level required in connection with the provision, improvement, maintenance or repair of a sewer, outfall pipe, sludge main or associated apparatus;
(b) the provision of a building, plant, machinery or apparatus in, on, over or under land for the purpose of survey or investigation;
(c) the maintenance, improvement or repair of works for measuring the flow in any watercourse or channel;
(d) any works authorised by or required in connection with an order made under section 73 of the Water Resources Act 1991 (power to make ordinary and emergency drought orders);
(e) any other development in, on, over or under their operational land, other than the provision of a building but including the extension or alteration of a building.

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Source: https://www.legislation.gov.uk/uksi/1995/418/schedule/2/part/16/crossheading/class-a/paragraph/A (the official version)
Page: https://openlegislation.uk/town-and-country-planning-general-permitted-development-order-1995/schedule-2/part-16/crossheading-class-a/paragraph-A
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.