Does LL12 flood?

Yes — parts of the LL12 district carry real flood risk: 1 of its 1 at-risk postcodes reach the Environment Agency's High likelihood band. The LL12 postcode district covers Rossett, close to Tattenhall, Abbot's Mead, Chester, and surrounding villages in Cheshire West and Chester.

1 postcode in the LL12 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 1 high. 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 LL12 postcodes are at risk?

LL12 0BY up to High

Rivers and flooding history near LL12

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

Tattenhall High Street on the Mill Brook — 8.4 km away, highest on record 3.08m
Countess Way, Abbot's Mead on the Finchett's Gutter — 11.7 km away
Knolls Bridge, Chester on the Finchett's Gutter — 13 km away, highest on record 8.15m
Bridge Trafford on the River Gowy — 15.4 km away, highest on record 2.57m

287 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (49 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):

Lower Dee November 2009 001 (2009) — about 2.4 km from the centre
Dee 2000 01 (2000) — about 0.9 km from the centre
Farndon/2000/001 (2000) — about 4.2 km from the centre
Farndon to Bangor On Dee 1964 01 (1964) — about 5.7 km from the centre

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

🏠 Buying or renting in LL12? 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

LL13 LL14

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.