Does CW11 flood?

Yes — parts of the CW11 district carry real flood risk: 12 of its 21 at-risk postcodes reach the Environment Agency's High likelihood band. The CW11 postcode district covers Brereton Rural, Sandbach Ettiley Heath and Wheelock, Haslington, Sandbach Town, close to Wheelock, Wimboldsley Green, Wistaston Green, and surrounding villages in parts of Cheshire East and England.

21 postcodes in the CW11 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 12 high, 2 medium, 7 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 CW11 postcodes are at risk?

Rivers and flooding history near CW11

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

Wheelock Crewe Road on the River Wheelock — 1.4 km away, highest on record 1.75m
Ashbrook on the River Weaver — 9.6 km away, highest on record 4.42m
Marshfield Bridge on the Valley Brook — 10 km away, highest on record 2.32m
Congleton Park on the River Dane — 10.5 km away, highest on record 1.35m

20 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (1 at warning level or above), most recently 1 January 2025. Warnings cover flood areas, not individual addresses.

Recorded flood extents near the district (Environment Agency record):

Weelcol (2019) — about 1.4 km from the centre
WHEE (2000) — about 1.3 km from the centre
ARCL (1998) — about 1.2 km from the centre

Records, not floods: no outline on the record is not evidence a place has not flooded.

🏠 Buying or renting in CW11? 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

CW10 CW12 CW9 CW8 CW7 CW6 CW5 CW4

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.