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Technical Briefing: Non-Statutory Technical Standards for Sustainable Drainage – Practice Guidance

Date: 29/09/15

Non-Statutory Technical Standards for Sustainable Drainage – Practice Guidance

The non-statutory guidance on the design of sustainable drainage systems (SuDS) has now been published. These were developed by a multi-stakeholder group representing Lead Local Flood Authorities, HBF, HBA and water and sewerage companies, facilitated by DEFRA.

It is available for downloading here:

This supports the government document entitled Sustainable Drainage Systems – Non-Statutory Standards for Sustainable Drainage Systems dated March 2015

Please click here, to view more:

Planning applications for major development should be accompanied by a site-specific drainage strategy or statement that demonstrates that the drainage scheme proposed is in compliance with the National Planning Policy Framework (NPPF) and the Non-Statutory Technical Standards (March 2015)

The NPPF (and associated PPG) relates to Government policy on the provision and long term maintenance of sustainable drainage systems. The Technical Standards provided by Government relate to the design, construction, operation and maintenance of sustainable drainage systems (SuDS) and have been published as guidance for those designing schemes.

The practice guidance document supports the Technical Standard in question, and provides a brief explanation in order to deliver clarification.

As this starts to bed in HBF would like members to provide feedback on how all of this is being applied in order that we can advise government as to how all of this is working.


Dave Mitchell

Technical Director