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Dataset: Indicative Flood Risk Areas (shapefiles)
Provided by Environment Agency
Updated 19 Mar 2020

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Dataset summary

The dataset on this page is a cache of the dataset It is a snapshot of the dataset as it appeared on 28 Mar 2021 23:05 GMT. The current dataset could have changed in the meantime. Attribution: Contains public sector information licensed under the Open Government Licence v3.0.

Set of shapefiles defining Indicative Flood Risk Areas for local risk. Indicative Flood Risk Areas are provided by the Environment Agency for use by Lead Local Flood Authorities in England in their review during 2017 of Preliminary Flood Risk Assessments and Flood Risk Areas under the Flood Risk Regulations. The Indicative Flood Risk Areas are primarily based on an aggregated 1km square grid Updated Flood Map for Surface Water (1 in 100 and 1000 annual probability rainfall), informally referred to as the blue square map. These are 1km grids across England and consist of the following data layers: Surface Water Flood Risk Exposure Grid 1km square grid that shows places above the flood risk threshold defined, using the 1 in 100 and 1000 annual probability (deep) Flood Map for Surface Water. Flood risk thresholds used to generate the blue Squares: - Number of people > 200 - Number of critical services, including electricity and water > 1 - Number of non-residential properties > 20 Clu...

Dataset:Indicative Flood Risk Areas (shapefiles)
Provider:Environment Agency
Licence:License information is derived automatically. Refer to source for license information before using this data.
UK Open Government Licence (OGL)
Country:United Kingdom

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