Check your flood risk by postcode

Update 21/11/23


We are fixing a bug that affects the flood risk information for very large buildings with complicated shapes. If you are checking the flood risk for a building of this type, please also refer to our Check your flood risk on a map (Flood Risk Assessment Wales Map) service.


Check your flood risk by postcode


Before you start

This service will tell you the risk of flooding to an area. This chance is always there – this year, next year and in the future.

Check our live flood warnings for the current situation.

You can also call Floodline 0345 988 1188 - 24 hour service. 

You can also check:

Protect yourself and your property

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