Does BN20 flood?

Yes — parts of the BN20 district carry real flood risk: 1 of its 1 at-risk postcodes reach the Environment Agency's High likelihood band. The BN20 postcode district covers Meads, Lower Willingdon, close to Eastbourne Harbour, Pevensey Bay, and surrounding villages in East Sussex.

1 postcode in the BN20 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).

Free preview first · full report £19

Which BN20 postcodes are at risk?

BN20 7YA up to High

Rivers and flooding history near BN20

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

SHERMAN BRIDGE GS — 8.4 km away
Hellingly on the River Bull — 13.2 km away, highest on record 3.02m
Leabridge on the River Bull — 14 km away, highest on record 2.57m
TILLEY BRIDGE GS — 15.5 km away

309 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (39 at warning level or above), most recently 26 August 2026. Warnings cover flood areas, not individual addresses.

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

07418K402FEO_DEC2009_Polegate_Willingdon (2009) — about 3.5 km from the centre
07418K421FEO_JUL1980_LottbridgeSewer (1980) — about 2.9 km from the centre
07418NoRefFEO_JUL1980_Eastbourne (1980) — about 3 km from the centre
07418K418FEO_NOV1974_Langney (1974) — about 4.4 km from the centre

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

🏠 Buying or renting in BN20? 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

BN21 BN18 BN22 BN17 BN23 BN16 BN24 BN15

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.