Does CO10 flood?

Yes — parts of the CO10 district carry real flood risk: 68 of its 150 at-risk postcodes reach the Environment Agency's High likelihood band. The CO10 postcode district covers Clare, Hundon & Kedington, Sudbury South West, Long Melford, Stour Valley North, close to Pentlow, Stanstead, Lamarsh, and surrounding villages in parts of Suffolk and Essex.

150 postcodes in the CO10 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 68 high, 26 medium, 56 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 CO10 postcodes are at risk?

CO10 0BQ up to High CO10 0GF up to High CO10 0GW up to High CO10 0GY up to High CO10 0JA up to High CO10 0JQ up to High CO10 0NL up to High CO10 1BD up to High CO10 1XR up to High CO10 2AN up to High CO10 2BP up to High CO10 2BS up to High CO10 5DX up to High CO10 5HH up to High CO10 5HJ up to High CO10 5HL up to High CO10 5JR up to High CO10 5LP up to High CO10 5LT up to High CO10 7AB up to High CO10 7AL up to High CO10 7AN up to High CO10 7AY up to High CO10 7DW up to High CO10 7FN up to High CO10 7GA up to High CO10 7HR up to High CO10 7HU up to High CO10 7HX up to High CO10 7JT up to High CO10 7LS up to High CO10 7LT up to High CO10 7LX up to High CO10 7NS up to High CO10 7SP up to High CO10 8AF up to High CO10 8AH up to High CO10 8AQ up to High CO10 8AS up to High CO10 8BB up to High CO10 8BD up to High CO10 8BJ up to High CO10 8DH up to High CO10 8DY up to High CO10 8DZ up to High CO10 8HG up to High CO10 8HS up to High CO10 8HU up to High CO10 8JD up to High CO10 8NS up to High CO10 8NX up to High CO10 8PF up to High CO10 8PH up to High CO10 8QS up to High CO10 8QT up to High CO10 8UF up to High CO10 9AE up to High CO10 9BG up to High CO10 9BY up to High CO10 9HA up to High CO10 9HS up to High CO10 9JJ up to High CO10 9LX up to High CO10 9NJ up to High CO10 9PE up to High CO10 9PG up to High CO10 9QD up to High CO10 9RJ up to High CO10 0BG up to Medium CO10 0RZ up to Medium CO10 1XT up to Medium CO10 2DA up to Medium CO10 5HF up to Medium CO10 7BY up to Medium CO10 7BZ up to Medium CO10 7EF up to Medium CO10 7FR up to Medium CO10 7FS up to Medium CO10 8AR up to Medium CO10 8AW up to Medium CO10 8BL up to Medium CO10 8DL up to Medium CO10 8EA up to Medium CO10 8HA up to Medium CO10 8NP up to Medium CO10 8SA up to Medium CO10 8TA up to Medium CO10 8UD up to Medium CO10 9BQ up to Medium CO10 9JQ up to Medium CO10 9JY up to Medium CO10 9QJ up to Medium CO10 9RD up to Medium CO10 9RF up to Medium CO10 0GG up to Low CO10 0NN up to Low CO10 0NW up to Low CO10 0YZ up to Low CO10 1AR up to Low CO10 1FU up to Low CO10 2AQ up to Low CO10 2BJ up to Low CO10 2BL up to Low CO10 2BT up to Low CO10 2BU up to Low CO10 2BW up to Low CO10 2DB up to Low CO10 2DG up to Low CO10 2DH up to Low CO10 2DL up to Low CO10 2DP up to Low CO10 2DR up to Low CO10 2GS up to Low CO10 2TL up to Low CO10 5DU up to Low CO10 5DW up to Low CO10 5DZ up to Low CO10 5HS up to Low CO10 5LZ up to Low CO10 5NP up to Low CO10 5NR up to Low CO10 5NZ up to Low CO10 7AJ up to Low CO10 7FY up to Low CO10 7HJ up to Low CO10 7HT up to Low CO10 7LJ up to Low CO10 7QR up to Low CO10 7QU up to Low CO10 8AJ up to Low CO10 8AT up to Low CO10 8AX up to Low CO10 8BH up to Low CO10 8DN up to Low CO10 8EJ up to Low CO10 8LG up to Low CO10 8UE up to Low CO10 9AG up to Low CO10 9BL up to Low CO10 9DY up to Low CO10 9FG up to Low CO10 9JN up to Low CO10 9JT up to Low CO10 9JW up to Low CO10 9LF up to Low CO10 9QE up to Low CO10 9QF up to Low CO10 9QH up to Low CO10 9QL up to Low CO10 9RP up to Low

Rivers and flooding history near CO10

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

61 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (2 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 CO10? 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

CO11 CO9 CO12 CO8 CO13 CO7 CO14 CO6

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.