Free tool
Flood risk check
See official flood areas and live warnings near a postcode.
Sources & review
Last reviewed:
England only. Being inside a warning or alert area means the Environment Agency can issue warnings there; it is not a probability of flooding for a specific home. Use the official long-term flood risk service and check insurance, flood history and Flood Re eligibility. Scotland (SEPA), Wales (NRW) and Northern Ireland (DfI) run separate services. Contains public sector information licensed under the Open Government Licence v3.0.
- Environment Agency — Real-time flood-monitoring API
Official flood warning/alert areas and live warnings in England.
- GOV.UK — Check your long term flood risk
The official long-term risk service for rivers, sea, surface water and reservoirs.
- ONS Postcode Directory (via postcodes.io)
Open data used only to find which country and council area a postcode is in.
Review dates record our source check, not the date a rule took effect. Rules can change; check the linked guidance before acting. Legal processes differ across the UK.