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Sustainable drainage (SuDS) statutory guidance

Publication Year

2026

Document Status

Current

Abstract

Comprises statutory guidance on sustainable drainage (SuDS) for local authorities on the implementation of Schedule 3 to the Flood and Water Management Act 2010, the mandatory use of SuDS on new developments and approval and adoption by the SuDS approving body (the SAB). Covers: implementation, SuDS approval, SuDS adoption, when things don't go to plan, advice notes for the design and construction of SuDS in different settings, 3 step SAB process for single dwelling developments and application checklist for small agricultural development.

Document History

Last updated: 24 March 2026. Document type: guidance. First published: 1 June 2019.

ISBN

9781837454297

Publisher Information

Welsh Government

The Welsh Government is the devolved government for Wales. They publish a number of strategies, policies, consultation papers, circulars, leaflets and posters. Previously known as Welsh Assembly Government.