Does BN8 flood?

Yes — parts of the BN8 district carry real flood risk: 14 of its 32 at-risk postcodes reach the Environment Agency's High likelihood band. The BN8 postcode district covers Chailey, Barcombe & Hamsey, Ouse Valley & Ringmer, Chiddingly, East Hoathly & Waldron, Newick, close to Barcombe, Lewes, Little Horsted, and surrounding villages in parts of East Sussex and West Sussex.

32 postcodes in the BN8 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 14 high, 5 medium, 11 low, 2 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).

Free preview first · full report £19

Which BN8 postcodes are at risk?

BN8 5BP up to High BN8 5BS up to High BN8 5BT up to High BN8 5BX up to High BN8 5DX up to High BN8 5EA up to High BN8 5TB up to High BN8 5TE up to High BN8 5TR up to High BN8 6BA up to High BN8 6EP up to High BN8 6HQ up to High BN8 6JS up to High BN8 6RP up to High BN8 4DA up to Medium BN8 4QP up to Medium BN8 5GJ up to Medium BN8 5NH up to Medium BN8 5RX up to Medium BN8 4HR up to Low BN8 4HS up to Low BN8 4TD up to Low BN8 5AF up to Low BN8 5BL up to Low BN8 5RJ up to Low BN8 5TD up to Low BN8 6HG up to Low BN8 6JY up to Low BN8 6NB up to Low BN8 6SS up to Low BN8 5NS up to Very low BN8 5PH up to Very low

Rivers and flooding history near BN8

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

Barcombe Gates on the River Ouse — 1.6 km away, highest on record 6.60m
BARCOMBE GATES RL — 1.6 km away
Anchor Gates on the River Ouse — 2.4 km away, highest on record 8.18m
Bell Lane Grill on the Winterbourne Stream — 5.3 km away, highest on record 5.39m

316 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (54 at warning level or above), most recently 14 February 2026. Warnings cover flood areas, not individual addresses.

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

Winter 13/14 East Hampshire Aerial Photography (2014) — about 7.7 km from the centre
07421J701FEO_Jan2009_Middle Ouse (2009) — about 8 km from the centre
07421J601FEO_Jan2009_LowerOuse_Lewes (2009) — about 2.8 km from the centre
07421J601FEO_OCT2000_Ouse_BarcombeMills (2000) — about 1.8 km from the centre

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

🏠 Buying or renting in BN8? 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

BN7 BN9 BN6 BN11 BN5 BN12 BN13 BN3

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.