Sustainable Drainage Systems: changes to the planning system

DEFRA and DCLG are consulting on plans to change the current planning system to increase sustainable drainage systems in England by slowing the rate of surface water run-off and improving infiltration.

The consultation Delivering Sustainable Drainage Systems sets out plans to deliver sustainable drainage systems (SuDS) through changes to the current planning regime, this being an alternative approach to the one envisaged in the Flood and Water Management Act 2010.

The independent review into the causes of the 2007 floods (The Pitt Review) concluded SuDS were an effective way to reduce the risk of ‘flash-flooding’ which occurs when rainwater rapidly flows into the public sewerage and drainage system, causing overloading and back-up of water to the surface. Typically, SuDS slow the rate of surface water run-off and improve infiltration, thus mimicking natural drainage in both rural and urban areas.

Following the Pitt Review, proposals to increase the uptake of SuDS in new developments were included in the Flood and Water Management Act 2010 and the Government consulted on those proposals from 20 December 2011 to 13 March 2012. In response to that consultation, and in further discussions, respondants identified a number of concerns that they wanted Government to consider further. The current consultation is a response to these concerns.

Respondants should read the attached consultation document below before completing the online survey.

Date: 11/9/2014 Start of consultation

Author: DEFRA/DCLG

DCP link: This item updates DCP section 4.1654


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