Flood map for England: Flood Zone 2 and 3
The Environment Agency Flood Map for Planning. Dark blue is Flood Zone 3, light blue Flood Zone 2; everywhere else is Flood Zone 1. Zoom in and click on any spot to see the flood risk of the nearest postcode.
Jump to a place where the zones are easy to see: Tewkesbury · York · Carlisle · Somerset Levels · Boston
Click the map to check a spot.
The map shows rivers and sea only, and ignores flood defences. Surface water flooding is a separate Environment Agency map, shown in the check for a postcode. The map drawn here is a picture; the postcode check reads the data itself at your exact point.