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Does GU25 flood?

Parts of the GU25 district carry moderate flood risk: 1 of its 6 at-risk postcodes reach the Environment Agency's Medium likelihood band. The GU25 postcode district covers Virginia Water, Longcross, Lyne & Chertsey South, close to Chertsey, Laleham, Hythe End, and surrounding villages in parts of Surrey and Windsor and Maidenhead.

6 postcodes in the GU25 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 1 medium, 5 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 GU25 postcodes are at risk?

GU25 4EB up to Medium GU25 4BT up to Low GU25 4DB up to Low GU25 4DE up to Low GU25 4EA up to Low GU25 4ES up to Low

Rivers and flooding history near GU25

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

395 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (127 at warning level or above), most recently 15 March 2026. Warnings cover flood areas, not individual addresses.

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

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

🏠 Buying or renting in GU25? 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

GU24 GU26 GU23 GU27 GU22 GU28 GU21 GU29

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.