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Environment Agency gov.uk

Flood and coastal risk products: submit an evidence review request

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National flood and coastal erosion risk products

The Environment Agency publishes national flood and coastal erosion risk information through:

Further product information is available on the Defra Data Services Platform, including:

  • national flood and coastal erosion risk products do not show risk at a property level
  • each product is designed for different purposes and therefore uses different methods and terminology
  • we routinely update products to include new data and improvements

    • If you disagree with the flood or coastal erosion risk information shown for a location, you can contact us to discuss it. You can then submit new evidence for us to review by making an evidence review request (ERR).

    We will assess your evidence and decide whether it can be incorporated into our national flood and coastal erosion risk products. Any information you provide must meet our technical standards.

    Risk of flooding from surface water and surface water for spatial planning

    If you want to submit evidence to change the risk of flooding from surface water and surface water for spatial planning datasets, you must contact your lead local flood authority (LLFA).

    National coastal erosion risk mapping and risk of flooding from reservoirs

    You can email [email protected] for details on how to submit evidence for our National Coastal Erosion Risk Mapping and Risk of Flooding from Reservoirs products.

    All other flood risk products, including Risk of Flooding from Rivers and Sea and Flood Zones

    We only consider or accept evidence if it is based on one of the following:

  • topographical survey data for small areas (less than 250 sqm) where ground levels are not represented correctly in our published products
  • recorded flood information (for flood zone products only)

    • Where the product uses a local flood model, we may be able to provide the model information for you to update the model.

    When you submit an ERR, we follow these steps:

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    Read the original at the source: https://www.gov.uk/guidance/flood-and-coastal-risk-products-submit-an-evidence-review-request

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    Environment Agency — imported from official source
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    September 21, 2026 09:30
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    https://www.gov.uk/guidance/flood-and-coastal-risk-products-submit-an-evidence-review-r...

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