Sustainable drainage systems: non-statutory technical standards
The non-statutory technical standards for the design, maintenance and operation of sustainable drainage systems to drain surface water have been published by DEFRA.The standards apply to systems that drain surface water from housing, non-residential or mixed use developments for the lifetime of the developments.
Download the non-statutory technical standards for sustainable drainage systems
Related guidance:
- DCLG changes to the planning system, December 2014
- The non-statutory technical standards should be used in conjunction with the National Planning Policy Framework and Planning Practice Guidance, March 2012.