Does BS9 flood?

Yes — parts of the BS9 district carry real flood risk: 8 of its 16 at-risk postcodes reach the Environment Agency's High likelihood band. The BS9 postcode district covers Stoke Bishop, Westbury-on-Trym and Henleaze, close to Filton Bristol, Bristol, Bristol Harbour Passage Street, and surrounding villages in parts of City of Bristol and South Gloucestershire.

16 postcodes in the BS9 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 8 high, 1 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 BS9 postcodes are at risk?

BS9 1DX up to High BS9 1TB up to High BS9 2HT up to High BS9 3EH up to High BS9 3ET up to High BS9 3EZ up to High BS9 3HH up to High BS9 3HQ up to High BS9 1EA up to Medium BS9 1DP up to Low BS9 1FF up to Low BS9 1SE up to Low BS9 1TD up to Low BS9 2DS up to Low BS9 2HS up to Low BS9 2RG up to Low

Rivers and flooding history near BS9

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

Filton Southmead Road on the River Trym — 3.7 km away, highest on record 0.32m
Bristol Wade Street on the River Frome — 4.8 km away, highest on record 6.36m
BRISTOL WADE STREET — 4.8 km away
Bristol Harbour Passage Street on the Bristol Frome — 4.9 km away, highest on record 6.54m

699 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (137 at warning level or above), most recently 15 August 2026. Warnings cover flood areas, not individual addresses.

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

EA112_Bristol, Cothamrd 1982 (1982) — about 3.7 km from the centre
EA112_Bristol, Cranbrookrd 1982 (1982) — about 3.2 km from the centre
EA112_Bristol, Bath buildings 1980 (1980) — about 3.8 km from the centre
EA112_Clifton_Suspension_Bristol (1960) — about 2.2 km from the centre

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

🏠 Buying or renting in BS9? 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

BS10 BS8 BS11 BS7 BS6 BS13 BS5 BS14

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.