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Does CH4 flood?

Yes — parts of the CH4 district carry real flood risk: 9 of its 52 at-risk postcodes reach the Environment Agency's High likelihood band. The CH4 postcode district covers Lache, Handbridge Park, Christleton & Huntington, Saltney Ferry, close to Abbot's Mead, Chester, Chester, Rossett, and surrounding villages in parts of Cheshire West and Chester and Wrexham.

52 postcodes in the CH4 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 9 high, 19 medium, 13 low, 11 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 CH4 postcodes are at risk?

CH4 7AX up to High CH4 7BB up to High CH4 7EW up to High CH4 7JJ up to High CH4 8AR up to High CH4 8LN up to High CH4 8LS up to High CH4 9JF up to High CH4 9JH up to High CH4 7JB up to Medium CH4 7NG up to Medium CH4 7NP up to Medium CH4 8BA up to Medium CH4 8LU up to Medium CH4 8NE up to Medium CH4 8PD up to Medium CH4 8PE up to Medium CH4 8PF up to Medium CH4 8PG up to Medium CH4 8PH up to Medium CH4 8PJ up to Medium CH4 8PL up to Medium CH4 8PN up to Medium CH4 8PQ up to Medium CH4 8PU up to Medium CH4 8PW up to Medium CH4 8PZ up to Medium CH4 9AG up to Medium CH4 8LX up to Low CH4 8NF up to Low CH4 8NG up to Low CH4 8PP up to Low CH4 8PR up to Low CH4 8PT up to Low CH4 8QD up to Low CH4 8QU up to Low CH4 8RD up to Low CH4 8RH up to Low CH4 9AE up to Low CH4 9LE up to Low CH4 9LF up to Low CH4 7JS up to Very low CH4 7JT up to Very low CH4 8BJ up to Very low CH4 8BL up to Very low CH4 8BP up to Very low CH4 8BR up to Very low CH4 8BY up to Very low CH4 8BZ up to Very low CH4 8DA up to Very low CH4 8PS up to Very low CH4 9JN up to Very low

Rivers and flooding history near CH4

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

228 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (67 at warning level or above), most recently 13 February 2026. Counted from the warning records of the Environment Agency and Natural Resources Wales; the Environment Agency's record covers England only. 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 CH4? 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

CH3 CH5 CH2 CH1 CH41 CH42 CH43 CH44

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.