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Sustainable Urban Drainage Systems

Sustainable Drainage Systems (SuDS) explained

Sustainable Drainage Systems (SuDS) are an approach to managing rainwater falling on roofs and other surfaces by slowing the drainage rate. The key objectives of any SuDS system are to: 

  • Relieve pressure on sewerage systems to reduce risk of flooding and water pollution
  • Replicate natural drainage processes and flows
  • Improve biodiversity and local amenity

Benefits of SuDS

SuDS can help local authorities, planners, architects and developers deliver greener infrastructure. Our job is to make SuDS systems cost effective to operate. We’ll work with project planners to offer support with best practice and key legislation such as the Flood and Water Management Act 2010.

Key legislation and drivers

The Flood and Water Management Act 2010 requires new developments and redevelopments in England and Wales to have drainage plans for surface run-off approved by the SuDS Approving Body (SAB) where the construction work would have drainage implications.


The Sustainable Drainage (Approval and Adoption) (England) Order 2012 defines the exemptions to the requirement for approval.

The SAB is responsible for adopting and maintaining new SuDS that serve more than one property and have been constructed as approved and function as designed.

Kingspan SuDs legislation

Get consultative support with SuDS

For expert advice on SuDS and more efficient drainage solutions, contact our team today on sustainablewater@kingspan.com or call 01296 633000

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