SuDS, Flood Risk & Drainage


A detailed report assessing the area’s drainage, and mitigation if necessary.

Flooding is a key national consideration for all schemes and depending on the size of a scheme either a Flood Risk Assessment or Flood Statement may be required to support the planning application. SCP can advise which of these is required and are very experienced at assessing all inland flood risks across a range of flood zones, including zone 3.

SCP regularly provides this service to developers of new sites and also to Local Lead Flood authorities when reviewing wider drainage networks and catchments.


SCP undertake Flood Risk Statements and Assessments for clients which comply with the requirements of the National Planning Policy Framework (NPPF). The document requires planning authorities to be satisfied that proposed developments are justified and that the consequences of flooding are acceptable.

Along with Flood Risk Statements and Assessments, SCP also produces Surface Water and Foul Water Strategies and solutions that are compliant with the 2010 Flood and Water Management Act. SCP Drainage solutions are sustainable and aim to work with the environment to minimise and mitigate the impact of flooding.

SCP also offers sustainable drainage strategy solutions and designs for all drainage systems at the site master-planning stage, for buildings, highways and external areas.

These strategies consider the hierarchical process set out in the Flood and Water Management Act to show that the solutions proposed are sustainable. These strategies are cost-effective for client’s and use basic site data, levels, and outfall locations to define site viability.

Once planning is granted to assist in the discharge of planning conditions, SCP can design the drainage in detail, with an aim of securing sewer adoption under a Section 104 Agreement with the relevant adopting authority. These design solutions can include a surface and foul water collection and carrier system and/or a sustainable drainage design. Through SCP’s experience at working with numerous water authorities, we appreciate the information they require.

SCP has specialist expertise with Sustainable Drainage Systems (SuDS), which incorporates drainage and pavement solutions that assist developers to deliver schemes that are sustainable and are in line with the Flood and Water Management Act.

For advice or help with flood risk assessments ot drainage strategy and design please get in touch.

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Since SCP’s inception in 1991, we have helped our clients deliver over 7,500 projects. SCP have worked on a diverse range of projects, planning applications, strategy development and detailed design schemes for clients ranging from Local Authorities to housebuilders, architects/town planners, food retailers, energy companies and many independent developers.

Schemes range in size from area-wide or mode-based strategy and advice; individual dwellings up to large housing estates/urban villages; schools, colleges and universities; wind and solar farms; employment sites, and commercial estates; and many more.

Find out what’s being going on at SCP or read about recent news from within the transport industry.

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