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Does CM7 flood?

Yes — parts of the CM7 district carry real flood risk: 29 of its 103 at-risk postcodes reach the Environment Agency's High likelihood band. The CM7 postcode district covers Bocking North, Three Fields, Braintree South, Bocking Blackwater, close to Stisted, Great Bardfield, Felsted, and surrounding villages in Essex.

103 postcodes in the CM7 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 29 high, 22 medium, 34 low, 18 very 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 CM7 postcodes are at risk?

CM7 2AS up to High CM7 4AA up to High CM7 4AQ up to High CM7 4BX up to High CM7 4HF up to High CM7 4JS up to High CM7 4JX up to High CM7 4LJ up to High CM7 4LL up to High CM7 4NB up to High CM7 4ND up to High CM7 4NG up to High CM7 4QG up to High CM7 4RH up to High CM7 4SH up to High CM7 4SZ up to High CM7 4TB up to High CM7 4TD up to High CM7 4TL up to High CM7 5AY up to High CM7 5EP up to High CM7 5FU up to High CM7 5HH up to High CM7 5JA up to High CM7 5JB up to High CM7 5JR up to High CM7 5JT up to High CM7 5LE up to High CM7 9AU up to High CM7 1GN up to Medium CM7 1GP up to Medium CM7 1HE up to Medium CM7 1XZ up to Medium CM7 3QW up to Medium CM7 4RJ up to Medium CM7 4TA up to Medium CM7 5FQ up to Medium CM7 5GD up to Medium CM7 5GR up to Medium CM7 5GW up to Medium CM7 5HY up to Medium CM7 5JN up to Medium CM7 5JS up to Medium CM7 5ND up to Medium CM7 5QU up to Medium CM7 5RB up to Medium CM7 5RY up to Medium CM7 5SQ up to Medium CM7 5TG up to Medium CM7 5TH up to Medium CM7 5TQ up to Medium CM7 1AP up to Low CM7 1AU up to Low CM7 1AW up to Low CM7 1BA up to Low CM7 1DF up to Low CM7 1FZ up to Low CM7 1HH up to Low CM7 1HW up to Low CM7 1NB up to Low CM7 1TQ up to Low CM7 1WA up to Low CM7 1XA up to Low CM7 1XB up to Low CM7 3QP up to Low CM7 3RS up to Low CM7 4JT up to Low CM7 4NE up to Low CM7 4QF up to Low CM7 4RQ up to Low CM7 4TE up to Low CM7 5BS up to Low CM7 5GE up to Low CM7 5GF up to Low CM7 5GG up to Low CM7 5GJ up to Low CM7 5GS up to Low CM7 5GT up to Low CM7 5GU up to Low CM7 5JY up to Low CM7 5LT up to Low CM7 5SG up to Low CM7 5SL up to Low CM7 5XT up to Low CM7 9RU up to Low CM7 5SF up to Very low CM7 5SN up to Very low CM7 9AF up to Very low CM7 9AP up to Very low CM7 9AX up to Very low CM7 9BH up to Very low CM7 9FF up to Very low CM7 9FU up to Very low CM7 9FX up to Very low CM7 9RP up to Very low CM7 9RS up to Very low CM7 9UD up to Very low CM7 9UG up to Very low CM7 9UJ up to Very low CM7 9UN up to Very low CM7 9UP up to Very low CM7 9UQ up to Very low CM7 9UR up to Very low

Rivers and flooding history near CM7

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

81 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (34 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 CM7? 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

CM6 CM8 CM5 CM9 CM4 CM11 CM3 CM12

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.