# The Gatwick Airport (Northern Runway Project) Development Consent Order 2025, Paragraph 10: Surface and foul water drainage

Extent: E+W

(1) No part of the authorised development involving surface or foul water drainage (except for the highway works and listed works) is to commence until CBC has been consulted on the drainage for that part.
(2) Consultation under sub-paragraph (1) shall take place by—
(a) the undertaker providing CBC with an explanatory note, drawings (where necessary) and a compliance statement regarding the drainage of the part in question; and
(b) CBC providing its comments (if any) within 8 weeks beginning with the day after the information was provided to CBC pursuant to sub-paragraph (2)(a), unless a longer time period is agreed in writing between CBC and the undertaker.
(3) Any part of the authorised development to which sub-paragraph (1) applies must be carried out in accordance with the drainage design principles in appendix 1 of the design and access statement unless otherwise agreed in writing with CBC.
(4) No part of any listed works involving surface or foul water drainage is to commence until details of the surface and foul water drainage for that part, including means of pollution control and monitoring, have been submitted to and approved in writing by CBC (in consultation with West Sussex County Council, the Environment Agency and Thames Water Utilities Limited).
(5) The drainage details referred to in sub-paragraph (4) must include those of the following that are reasonably considered necessary for the part of the listed work in question by CBC—
(a) an explanatory note;
(b) drawings;
(c) a compliance statement;
(d) details of layout, siting, scale, external appearance and levels;
(e) details of any associated structures;
(f) details of any construction and sustainability measures; and
(g) for part of a work that is subject to design review in accordance with annex A of appendix 1 of the design and access statement, the relevant “Design Review Statement” as defined in that annex A.
(6) The relevant part of the listed works must be constructed in accordance with the details approved under sub-paragraph (4) unless otherwise agreed in writing by CBC (in consultation with West Sussex County Council, the Environment Agency and Thames Water Utilities Limited).
(7) In this requirement “compliance statement” means a document that sets out how the part of the authorised development in question will be constructed in accordance with the drainage design principles in appendix 1 of the design and access statement unless otherwise agreed in writing with CBC.

---
Source: https://www.legislation.gov.uk/uksi/2025/1054/schedule/2/paragraph/10 (the official version)
Page: https://openlegislation.uk/gatwick-airport-northern-runway-project-development-consent-order-2025/schedule-2/paragraph-10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.