Does BS41 flood?

Yes — parts of the BS41 district carry real flood risk: 4 of its 5 at-risk postcodes reach the Environment Agency's High likelihood band. The BS41 postcode district covers Long Ashton, Chew Valley, close to Bishopsworth, Leigh Woods, Malago, and surrounding villages in parts of City of Bristol and North Somerset.

5 postcodes in the BS41 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 4 high, 1 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 BS41 postcodes are at risk?

BS41 8NN up to High BS41 9BG up to High BS41 9LB up to High BS41 9LW up to High BS41 9BH up to Low

Rivers and flooding history near BS41

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

Colliters Brook on the Colliters Brook — 1.1 km away, highest on record 1.40m
Ashton Vale on the River Avon — 2.5 km away, highest on record 3.60m
Bristol Bedminster St Johns Lane Upstream on the River Avon — 3.7 km away, highest on record 1.08m
Bristol Harbour Passage Street on the Bristol Frome — 5.5 km away, highest on record 6.54m

687 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (110 at warning level or above), most recently 30 September 2026. Warnings cover flood areas, not individual addresses.

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

EA112_Bristol, Cumberland 1999 (1999) — about 3.5 km from the centre
EA112_Sep1974 (1974) — about 2 km from the centre
EA112_Bristol_AshtonVale_Colliters Brook (1971) — about 2.2 km from the centre
EA112_CollitersBrook_Ashton_Vale_Bristol (1968) — about 2.3 km from the centre

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

🏠 Buying or renting in BS41? 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

BS40 BS39 BS37 BS36 BS35 BS34 BS48 BS49

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.