Does CB9 flood?

Yes — parts of the CB9 district carry real flood risk: 22 of its 80 at-risk postcodes reach the Environment Agency's High likelihood band. The CB9 postcode district covers Haverhill Central, Bumpstead, Withersfield, Haverhill South East, close to Sturmer, Steeple Bumpstead, Linton, and surrounding villages in parts of Essex and Suffolk.

80 postcodes in the CB9 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 22 high, 7 medium, 10 low, 41 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).

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Which CB9 postcodes are at risk?

CB9 0EU up to High CB9 7AL up to High CB9 7BN up to High CB9 7BP up to High CB9 7BS up to High CB9 7BW up to High CB9 7DW up to High CB9 7HQ up to High CB9 7JD up to High CB9 7LF up to High CB9 7LJ up to High CB9 7NN up to High CB9 7QG up to High CB9 7QQ up to High CB9 7RR up to High CB9 7SJ up to High CB9 7XF up to High CB9 7XR up to High CB9 8EA up to High CB9 8EF up to High CB9 9EF up to High CB9 9HE up to High CB9 7DS up to Medium CB9 7DY up to Medium CB9 7HX up to Medium CB9 7JG up to Medium CB9 7QL up to Medium CB9 7SG up to Medium CB9 7TQ up to Medium CB9 7BL up to Low CB9 7DG up to Low CB9 7DN up to Low CB9 7DP up to Low CB9 7HG up to Low CB9 7JQ up to Low CB9 7QN up to Low CB9 7RT up to Low CB9 7RU up to Low CB9 7XW up to Low CB9 0BF up to Very low CB9 0BT up to Very low CB9 0BU up to Very low CB9 0EP up to Very low CB9 0ER up to Very low CB9 0ES up to Very low CB9 7AZ up to Very low CB9 7UT up to Very low CB9 7UU up to Very low CB9 7UW up to Very low CB9 7UX up to Very low CB9 7WJ up to Very low CB9 7XG up to Very low CB9 7XH up to Very low CB9 7XJ up to Very low CB9 8AA up to Very low CB9 8AB up to Very low CB9 8AG up to Very low CB9 8DZ up to Very low CB9 8ED up to Very low CB9 8EH up to Very low CB9 8EQ up to Very low CB9 8FH up to Very low CB9 8HB up to Very low CB9 8QH up to Very low CB9 8QN up to Very low CB9 8QQ up to Very low CB9 9DT up to Very low CB9 9DY up to Very low CB9 9DZ up to Very low CB9 9EG up to Very low CB9 9EQ up to Very low CB9 9HA up to Very low CB9 9HD up to Very low CB9 9HF up to Very low CB9 9HL up to Very low CB9 9LA up to Very low CB9 9LB up to Very low CB9 9LD up to Very low CB9 9LE up to Very low CB9 9PF up to Very low

Rivers and flooding history near CB9

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

34 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (33 at warning level or above), most recently 27 January 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 CB9? 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

CB10 CB8 CB11 CB7 CB6 CB5 CB4 CB3

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.