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Does CM22 flood?

Yes — parts of the CM22 district carry real flood risk: 17 of its 32 at-risk postcodes reach the Environment Agency's High likelihood band. The CM22 postcode district covers Broad Oak & the Hallingburys, Elsenham & Henham, Takeley, Hatfield Heath, close to Bishop's Stortford, Stansted Mountfitchet, Sawbridgeworth, and surrounding villages in parts of Essex and Hertfordshire.

32 postcodes in the CM22 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 17 high, 6 medium, 9 low. A postcode not listed here has no properties in any recorded risk band (which is good news, but never proof it cannot flood).

Free preview first · full report £19

Which CM22 postcodes are at risk?

CM22 6DN up to High CM22 6DP up to High CM22 6JL up to High CM22 6NL up to High CM22 6NN up to High CM22 6QG up to High CM22 6QN up to High CM22 6QU up to High CM22 6TU up to High CM22 7NS up to High CM22 7PA up to High CM22 7PX up to High CM22 7QT up to High CM22 7QX up to High CM22 7RA up to High CM22 7RD up to High CM22 7SE up to High CM22 6DH up to Medium CM22 6EE up to Medium CM22 6FE up to Medium CM22 7JJ up to Medium CM22 7QR up to Medium CM22 7TZ up to Medium CM22 6BJ up to Low CM22 7HB up to Low CM22 7HH up to Low CM22 7HT up to Low CM22 7JA up to Low CM22 7JB up to Low CM22 7JD up to Low CM22 7QU up to Low CM22 7RP up to Low

Rivers and flooding history near CM22

The rivers that matter here, each monitored live on FloodRadar:

67 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (13 at warning level or above), most recently 16 February 2026. Warnings cover flood areas, not individual addresses.

Recorded flood extents near the district (Environment Agency record):

Records, not floods: no outline on the record is not evidence a place has not flooded.

🏠 Buying or renting in CM22? The full property flood-risk report covers any postcode here — the official likelihood band, every recorded flood nearby with distances, warning history year by year, how the local rivers behave, and an insurance outlook, print-ready for £19. See what's in the report →

Flood risk in nearby postcode districts

CM21 CM23 CM20 CM24 CM19 CM18 CM17 CM16

Band = the worst likelihood band of any property in that postcode (EA Risk of Flooding from Rivers & Sea, defence-adjusted, area-level). Check any postcode in detail — or get the full £19 property report — at the property flood-risk report. © Environment Agency copyright and/or database right 2025. All rights reserved. Some features of this map are based on digital spatial data from the Centre for Ecology & Hydrology, © NERC (CEH). © Crown Copyright and Database Rights 2025 OS AC0000807064. This product is produced in part from PAF® and Multiple Residence Data, the copyright in which is owned by Royal Mail Group Limited and/or Royal Mail Group plc. All rights reserved. Licence number AC0000807064.