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The Interim Code of Practice for Sustainable Drainage Systems (SuDS) developed in 2004 facilitates the implementation of sustainable drainage in developments in England and Wales by providing model maintenance agreements and advice on their use. It provides a set of agreements between those public organisations with statutory or regulatory responsibilities relating to SuDS and could be used in lieu of commencement of schedule 3 of the Flood and Water management Act 2010.
The specific objectives of the document are to:
Production of the Interim Code of Practice is part of a wider range of actions
being pursued to ensure that the potential of sustainable drainage systems
to offer cost-effective solutions is fully exploited. It was developed
by the National SuDS Working Group that includes:
• Department for Communities and Local Government
• Department for Environment, Food and Rural Affairs
• Department for Transport
• Welsh Assembly Government
• Office of Water Services
• Water UK
• Home Builders Federation
• Local Government Association
• Natural England
• Environment Agency
• Planning Officers’ Society
• County Surveyors’ Society
The planning model agreements used in conjunction with the Interim Code of Practice are those provided by CIRIA publication C625 Model agreements for SuDS. The model agreements are based on 2008 legislation.
The aim of the model agreements is to facilitate uptake of SuDS by providing a mechanism for maintenance. The model agreements developed for use with this Interim Code of Practice achieve this through the planning process, either as a planning obligation under Section 106 of the Town and Country Planning Act 1990 or as a condition attached to planning permission. The table below provides details of how the model agreements can be implemented.
Title and description
Planning obligation - incorporating SuDS provisions
SuDS maintenance framework agreement
Model discharge agreement
The Interim Code of Practice for SuDS is in PDF format and you will require Adobe Acrobat reader to read the document. The electronic versions of the model agreements for use in conjunction with the Code of Practice can be viewed and amended in MS Word.
The document is interim and will be a living document periodically updated to reflect any relevant changes to planning and regulatory considerations. If you have any comments you would like fed back to the National SuDS Working Group (NSWG) please complete the feedback box below. (Comments will be reviewed and considered periodically by the NSWG)