Doomsday CheckerUK POSTCODE RISK EXPLORER

Flood Risk by Postcode

Check England’s river and sea flood planning zones and nearby flood warnings, then compare another postcode.

  • River and sea planning zones
  • Nearby flood alerts
  • Postcode map

What the check covers

Planning zones describe river and sea flooding at a postcode reference point. Nearby warnings cover a 10 km radius. Neither establishes the risk at a particular address.

For surface water and other long-term risks at a specific address, use the official long-term flood risk service for England.

Explore the UK risk map