Does RH2 flood?

Yes — parts of the RH2 district carry real flood risk: 6 of its 11 at-risk postcodes reach the Environment Agency's High likelihood band. The RH2 postcode district covers South Park & Woodhatch, Reigate, Horley West & Sidlow, Horley East & Salfords, close to Sidlow, Salfords, Redhill, and surrounding villages in parts of Surrey and West Sussex.

11 postcodes in the RH2 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 6 high, 3 medium, 2 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 RH2 postcodes are at risk?

RH2 7QT up to High RH2 8HD up to High RH2 8PR up to High RH2 8QJ up to High RH2 8QZ up to High RH2 8RD up to High RH2 8BZ up to Medium RH2 8QH up to Medium RH2 8RB up to Medium RH2 8LB up to Low RH2 8PT up to Low

Rivers and flooding history near RH2

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

Kinnersley Manor on the River Mole — 2.2 km away, highest on record 3.50m
Salfords Bridge on the Salfords Stream — 3.5 km away, highest on record 3.05m
Redhill on the Redhill Brook — 4.4 km away, highest on record 2.46m
Bonehurst Bridge on the Burstow Stream — 4.8 km away, highest on record 4.47m

349 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (59 at warning level or above), most recently 15 February 2026. Warnings cover flood areas, not individual addresses.

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

RedhillSEarlswood1 (2013) — about 3 km from the centre
December 2000 flooding — about 2.7 km from the centre
October 1993 flooding — about 2.8 km from the centre
February 1990 flooding — about 3.1 km from the centre

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

🏠 Buying or renting in RH2? 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

RH1 RH3 RH4 RH5 RH6 RH7 RH8 RH9

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.