Does RH15 flood?

Yes — parts of the RH15 district carry real flood risk: 3 of its 4 at-risk postcodes reach the Environment Agency's High likelihood band. The RH15 postcode district covers Burgess Hill Franklands, Wivelsfield, Ditchling & Westmeston, Burgess Hill Leylands, close to Lindfield, Scayne's Hill, Ardingly, and surrounding villages in parts of East Sussex and West Sussex.

4 postcodes in the RH15 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 3 high, 1 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 RH15 postcodes are at risk?

RH15 0DX up to High RH15 0RT up to High RH15 8RE up to High RH15 0SP up to Low

Rivers and flooding history near RH15

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

Scrasebridge on the Salfords Stream — 5.5 km away, highest on record 2.00m
Lindfield Bridge on the River Ouse — 7.1 km away, highest on record 2.25m
Freshfield Bridge on the River Ouse — 7.8 km away, highest on record 2.63m
Ardingly on the River Ouse — 8.4 km away, highest on record 1.89m

250 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (36 at warning level or above), most recently 26 August 2026. Warnings cover flood areas, not individual addresses.

No recorded flood extent is mapped near this district's centre. No recorded outline near the district means no flood was mapped here, which is not evidence none happened: the Environment Agency mapped only some floods, mapping effort rose sharply after about 2000, and surface-water flooding is largely absent from this record.

🏠 Buying or renting in RH15? 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

RH14 RH16 RH13 RH17 RH12 RH18 RH11 RH19

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.