Does B31 flood?

Yes — parts of the B31 district carry real flood risk: 10 of its 29 at-risk postcodes reach the Environment Agency's High likelihood band. The B31 postcode district covers Northfield, King's Norton North, Weoley & Selly Oak, close to Longbridge, Selly Park, Halesowen Manor Way, and surrounding villages in parts of West Midlands and Worcestershire.

29 postcodes in the B31 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 10 high, 8 medium, 10 low, 1 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).

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Which B31 postcodes are at risk?

B31 2FG up to High B31 2GB up to High B31 2YP up to High B31 2YR up to High B31 3TE up to High B31 3TG up to High B31 3TQ up to High B31 3UD up to High B31 3UG up to High B31 3UP up to High B31 2FL up to Medium B31 2GA up to Medium B31 2PQ up to Medium B31 2SE up to Medium B31 2YU up to Medium B31 3AP up to Medium B31 3TH up to Medium B31 3UH up to Medium B31 1PN up to Low B31 2FN up to Low B31 2PW up to Low B31 2PX up to Low B31 2RP up to Low B31 2SF up to Low B31 2UT up to Low B31 2YS up to Low B31 3UW up to Low B31 3XL up to Low B31 2YT up to Very low

Rivers and flooding history near B31

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

Longbridge on the River Rea — 1.8 km away, highest on record 1.65m
Selly Park on the River Rea — 4.9 km away, highest on record 1.82m
Halesowen Manor Way on the Illey Brook — 6.4 km away, highest on record 2.25m
Halesowen Dogkennel Lane on the River Stour — 6.7 km away, highest on record 1.47m

227 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (139 at warning level or above), most recently 28 August 2026. Warnings cover flood areas, not individual addresses.

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

M_LS_Jan_1985 (1985) — about 27.1 km from the centre

🏠 Buying or renting in B31? 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

B30 B32 B29 B33 B28 B34 B27 B35

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.