# The Town and Country Planning (Northwood Headquarters) Special Development Order 2025, Paragraph 5: Drainage and surface water


Relevant development must not result in the rate or volume of surface water discharged from the Order land as a result of any given rainfall event being greater than it would have been as a result of the same rainfall event if that development had not been carried out.

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Source: https://www.legislation.gov.uk/uksi/2025/37/schedule/1/paragraph/5 (the official version)
Page: https://openlegislation.uk/town-and-country-planning-northwood-headquarters-special-development-order-2025/schedule-1/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.