Does BN13 flood?

Yes — parts of the BN13 district carry real flood risk: 9 of its 33 at-risk postcodes reach the Environment Agency's High likelihood band. The BN13 postcode district covers Northbrook, Angmering & Findon, close to Ferring, Littlehampton, Upper Beeding, and surrounding villages in West Sussex.

33 postcodes in the BN13 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 9 high, 2 medium, 22 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 BN13 postcodes are at risk?

Rivers and flooding history near BN13

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

Ferring Outfall on the River Arun — 3.6 km away, highest on record 2.91m
Barnham on the Barnham Rife — 14.7 km away, highest on record 3.33m
Hardham on the River Rother — 14.9 km away, highest on record 2.89m
Pulborough Swan Bridge on the River Arun — 15.1 km away, highest on record 4.78m

99 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 8 January 2026. Warnings cover flood areas, not individual addresses.

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

Arun Valley 2013/14 (2013) — about 13.7 km from the centre
WORTHING 1981 (1981) — about 0.6 km from the centre
FERRING 1980 (1980) — about 1.9 km from the centre
Worthing 1980 (1980) — about 1.9 km from the centre

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

🏠 Buying or renting in BN13? 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

BN12 BN14 BN11 BN15 BN16 BN17 BN9 BN18

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.