Update of the CIRIA SuDS Manual

The new SuDS Manual (C753) is here.


CIRIA has launched the updated SuDS Manual (C753) - the most comprehensive guidance in the UK. It focuses on the cost-effective planning, design, construction, operation and maintenance of SuDS.

A copy of the SuDS Manual (C753) and versions of the individual chapters are available from the CIRIA website


Simple Index Approach (SIA) to assessing water quality management requirements

A SIA has been developed on behalf of SEPA to support the implementation of the water quality management design methods set out in the SuDS Manual, with appropriate cross referencing to the relevent 'Design Conditions' in the tool it can be used for all the UK. The instructions and guidance can be found on the introduction page of the tool.

The Simple Index Approach (SIA) Tool (MS Excel)



Checklists were produced as part of the Manual, these have now been updated. The checklists have also been produced as word documents to enable modifications to suit your individual requirements and can be downloaded below.




SuDS planning and design process (MS word)

Scheme design assessment (MS word)

Health and safety risk assessment (MS word)

Infiltration assessment (MS word)

Proprietary treatment design checklist (MS word)

Filter strip design checklist (MS word)

Filter drain checklist (MS word)

Swale checklist (MS word)

Bioretention system checklist (MS word)

Pervious pavement checklist (MS word)

Attenuation storage tank checklist (MS word)

Basin checklist (MS word)

Pond and wetland checklist (MS word)



Construction assessment checklist
(MS word)

Maintenance and adoption

Maintenance inspection checklist (MS word)

Adoption handover ckecklist (MS word)

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