Does BN3 flood?

Yes — parts of the BN3 district carry real flood risk: 4 of its 10 at-risk postcodes reach the Environment Agency's High likelihood band. The BN3 postcode district covers Central Hove, Wish, Westbourne & Poets' Corner, close to Shoreham Beach, Upper Beeding, and surrounding villages in West Sussex.

10 postcodes in the BN3 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 4 high, 1 medium, 5 low. A postcode not listed here has no properties in any recorded risk band (which is good news, but never proof it cannot flood).

Free preview first · full report £19

Which BN3 postcodes are at risk?

BN3 2WL up to High BN3 2WW up to High BN3 4GP up to High BN3 4QT up to High BN3 4LX up to Medium BN3 2WA up to Low BN3 2WB up to Low BN3 4FA up to Low BN3 4LW up to Low BN3 4PQ up to Low

Rivers and flooding history near BN3

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

Bell Lane Grill on the Winterbourne Stream — 14.1 km away, highest on record 5.39m
SAKEHAM GS — 15.6 km away
Barcombe Gates on the River Ouse — 18.7 km away, highest on record 6.60m
Ferring Outfall on the River Arun — 18.7 km away, highest on record 2.91m

83 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (7 at warning level or above), most recently 28 September 2026. Warnings cover flood areas, not individual addresses.

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

SHOREHAM BY SEA (1960) — about 3.8 km from the centre

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

🏠 Buying or renting in BN3? 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

BN2 BN5 BN6 BN7 BN8 BN9 BN11 BN12

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.