Does CO7 flood?

Yes — parts of the CO7 district carry real flood risk: 76 of its 156 at-risk postcodes reach the Environment Agency's High likelihood band. The CO7 postcode district covers Wivenhoe, Brightlingsea, Brett Vale, Alresford & Elmstead, close to Beacon End, Thorington Street, Clacton-On-Sea, and surrounding villages in parts of Essex and Suffolk.

156 postcodes in the CO7 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 76 high, 15 medium, 33 low, 32 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 CO7 postcodes are at risk?

CO7 0AP up to High CO7 0AR up to High CO7 0AU up to High CO7 0AW up to High CO7 0AX up to High CO7 0AY up to High CO7 0AZ up to High CO7 0BA up to High CO7 0BB up to High CO7 0BL up to High CO7 0DH up to High CO7 0DJ up to High CO7 0DL up to High CO7 0DT up to High CO7 0DU up to High CO7 0DW up to High CO7 0DY up to High CO7 0EQ up to High CO7 0FE up to High CO7 0FF up to High CO7 0FH up to High CO7 0FX up to High CO7 0FY up to High CO7 0GA up to High CO7 0GB up to High CO7 0GD up to High CO7 0GE up to High CO7 0GF up to High CO7 0GH up to High CO7 0HH up to High CO7 0HP up to High CO7 0HZ up to High CO7 0JX up to High CO7 0LG up to High CO7 0LH up to High CO7 0LQ up to High CO7 0LW up to High CO7 0SD up to High CO7 6AD up to High CO7 6AH up to High CO7 6BL up to High CO7 6DH up to High CO7 6DJ up to High CO7 6DT up to High CO7 6HL up to High CO7 6JH up to High CO7 6JL up to High CO7 6JN up to High CO7 6JS up to High CO7 6JU up to High CO7 6JW up to High CO7 6LA up to High CO7 6PJ up to High CO7 6UL up to High CO7 7BD up to High CO7 7FN up to High CO7 7HX up to High CO7 7LD up to High CO7 7NP up to High CO7 7NR up to High CO7 7RP up to High CO7 7RR up to High CO7 7RS up to High CO7 7UU up to High CO7 7WL up to High CO7 8BA up to High CO7 8BB up to High CO7 8HD up to High CO7 8JJ up to High CO7 8JL up to High CO7 8RF up to High CO7 9DP up to High CO7 9DR up to High CO7 9DS up to High CO7 9JJ up to High CO7 9WS up to High CO7 0BD up to Medium CO7 0DS up to Medium CO7 0JA up to Medium CO7 6HW up to Medium CO7 6JJ up to Medium CO7 6JQ up to Medium CO7 6JR up to Medium CO7 6LH up to Medium CO7 6YG up to Medium CO7 8RG up to Medium CO7 9BX up to Medium CO7 9DB up to Medium CO7 9DG up to Medium CO7 9FH up to Medium CO7 9LW up to Medium CO7 0BT up to Low CO7 0JS up to Low CO7 0JT up to Low CO7 0LB up to Low CO7 0LD up to Low CO7 0LE up to Low CO7 0LF up to Low CO7 0RZ up to Low CO7 6AW up to Low CO7 6FA up to Low CO7 6HP up to Low CO7 6JT up to Low CO7 6JZ up to Low CO7 7HU up to Low CO7 7HZ up to Low CO7 7LG up to Low CO7 7NJ up to Low CO7 7NW up to Low CO7 7PT up to Low CO7 7PZ up to Low CO7 8AP up to Low CO7 8AY up to Low CO7 8JB up to Low CO7 8JF up to Low CO7 8RE up to Low CO7 9BT up to Low CO7 9FF up to Low CO7 9LU up to Low CO7 9NA up to Low CO7 9NJ up to Low CO7 9RQ up to Low CO7 9RW up to Low CO7 9TA up to Low CO7 6FB up to Very low CO7 9BL up to Very low CO7 9BP up to Very low CO7 9BS up to Very low CO7 9BU up to Very low CO7 9BY up to Very low CO7 9DA up to Very low CO7 9DD up to Very low CO7 9DE up to Very low CO7 9DF up to Very low CO7 9DH up to Very low CO7 9DJ up to Very low CO7 9DQ up to Very low CO7 9DT up to Very low CO7 9DU up to Very low CO7 9DW up to Very low CO7 9FG up to Very low CO7 9FJ up to Very low CO7 9GD up to Very low CO7 9GS up to Very low CO7 9GT up to Very low CO7 9GU up to Very low CO7 9GW up to Very low CO7 9GY up to Very low CO7 9JR up to Very low CO7 9SW up to Very low CO7 9SY up to Very low CO7 9SZ up to Very low CO7 9TB up to Very low CO7 9TE up to Very low CO7 9TF up to Very low CO7 9TS up to Very low

Rivers and flooding history near CO7

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

22 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (22 at warning level or above), most recently 24 November 2023. 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 CO7? 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

CO6 CO8 CO5 CO9 CO10 CO4 CO11 CO3

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.