Ambiental Risk Analytics

What is a Strategic Flood Risk Assessment?

A Strategic Flood Risk Assessment (SFRA) looks at flood risk at a strategic level on a local planning authority scale. The National Planning Policy Framework (NPPF) requires local planning authorities to appraise the risk of flooding in their areas by undertaking an SFRA.

An SFRA takes into account the impacts of climate change and assesses the impact that land use changes and development in the area will have on flood risk. Ultimately, an SFRA functions to demonstrate that the flood risk to and from development will be acceptably safe throughout the lifetime of the proposed development.

SFRA Levels 1 and 2

The different levels of SFRAs reflect the likely risk of flooding from all sources and development pressures.

SFRA – Level 1

A Level 1 SFRA is prepared for areas where flood risk does not pose a significant hazard and where development pressures are low.

SFRA – Level 2

A Level 2 SFRA is prepared when land outside flood risk areas can’t appropriately accommodate all the necessary development and the NPPF’s Exception Test needs to be applied.

Level 1 SFRA Outline

Level 1 comprises of a desk based study, collating and reviewing existing flooding information held by the Environment Agency, Water Companies, the District and County Council and other agencies.

A Level 1 SFRA should include the following:

Level 2 SFRA Outline

A Level 2 SFRA is undertaken where the Local Authority identifies areas of new development in locations at risk of flooding.

A Level 2 SFRA should consider the following in addition to Level 1:

Source: Environment Agency Guidance

Strategic Flood Risk Assessment services

Ambiental is a leading flood risk assessment and flood modelling consultancy, offering a range of advanced solutions for central and local government organisations. Our flood data and consultancy services can help local planning authorities to improve their Strategic Flood Risk Assessments through:

For further information, please get in touch with one of our flood risk consultants or call our head office on: +44 (0)1273 704441

T&CsPrivacyCookies © 2018 Ambiental. Registered in England and Wales - Company No. 10238346. All rights reserved
Sign up!

Newsletter Signup

Our monthly newsletter highlighting flood analytics, insights, trends, and news you need.