Does CO5 flood?

Yes — parts of the CO5 district carry real flood risk: 56 of its 125 at-risk postcodes reach the Environment Agency's High likelihood band. The CO5 postcode district covers Mersea and Pyefleet, Kelvedon & Feering, Old Heath and The Hythe, Tiptree, close to Wivenhoe, Beacon End, and surrounding villages in Essex.

125 postcodes in the CO5 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 56 high, 14 medium, 26 low, 29 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 CO5 postcodes are at risk?

CO5 0RN up to High CO5 0SA up to High CO5 7DN up to High CO5 7JD up to High CO5 7JR up to High CO5 7NA up to High CO5 7QG up to High CO5 7QL up to High CO5 7QP up to High CO5 7QS up to High CO5 7RD up to High CO5 8AQ up to High CO5 8DA up to High CO5 8DD up to High CO5 8FE up to High CO5 8LS up to High CO5 8LT up to High CO5 8NA up to High CO5 8NS up to High CO5 8NT up to High CO5 8NU up to High CO5 8NW up to High CO5 8NX up to High CO5 8PA up to High CO5 8PG up to High CO5 8PH up to High CO5 8SS up to High CO5 8SX up to High CO5 8TJ up to High CO5 8TN up to High CO5 8TR up to High CO5 8UB up to High CO5 8UN up to High CO5 8US up to High CO5 9AT up to High CO5 9BD up to High CO5 9BE up to High CO5 9BX up to High CO5 9FD up to High CO5 9LS up to High CO5 9LU up to High CO5 9LX up to High CO5 9ND up to High CO5 9NG up to High CO5 9NH up to High CO5 9NJ up to High CO5 9PD up to High CO5 9PE up to High CO5 9PJ up to High CO5 9PP up to High CO5 9PQ up to High CO5 9PU up to High CO5 9QR up to High CO5 9SB up to High CO5 9SG up to High CO5 9US up to High CO5 0BN up to Medium CO5 0BU up to Medium CO5 0RX up to Medium CO5 7JJ up to Medium CO5 7JN up to Medium CO5 7JQ up to Medium CO5 8AL up to Medium CO5 8AR up to Medium CO5 8DB up to Medium CO5 9AR up to Medium CO5 9JD up to Medium CO5 9NN up to Medium CO5 9RB up to Medium CO5 9UL up to Medium CO5 0AR up to Low CO5 0AY up to Low CO5 0BB up to Low CO5 7BN up to Low CO5 7JP up to Low CO5 7JS up to Low CO5 7QJ up to Low CO5 7RZ up to Low CO5 8AT up to Low CO5 8BP up to Low CO5 8BX up to Low CO5 8BZ up to Low CO5 8NY up to Low CO5 8TE up to Low CO5 9AU up to Low CO5 9BT up to Low CO5 9BU up to Low CO5 9BY up to Low CO5 9GE up to Low CO5 9HA up to Low CO5 9NE up to Low CO5 9NR up to Low CO5 9NW up to Low CO5 9PA up to Low CO5 9PS up to Low CO5 9QS up to Low CO5 7AD up to Very low CO5 7BA up to Very low CO5 7BB up to Very low CO5 7BE up to Very low CO5 7BX up to Very low CO5 7DB up to Very low CO5 7DH up to Very low CO5 7DL up to Very low CO5 7DU up to Very low CO5 7DX up to Very low CO5 7DY up to Very low CO5 7DZ up to Very low CO5 7EA up to Very low CO5 7EN up to Very low CO5 7ES up to Very low CO5 7ET up to Very low CO5 7EW up to Very low CO5 7FA up to Very low CO5 7FB up to Very low CO5 7FD up to Very low CO5 7HF up to Very low CO5 7HG up to Very low CO5 7HJ up to Very low CO5 7HN up to Very low CO5 7HQ up to Very low CO5 7HS up to Very low CO5 7HT up to Very low CO5 7HW up to Very low CO5 8NE up to Very low

Rivers and flooding history near CO5

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

552 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (14 at warning level or above), most recently 29 September 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 CO5? 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

CO4 CO6 CO3 CO7 CO2 CO8 CO1 CO9

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.