FloodRadar
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FloodRadar
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Yes — parts of the GU26 district carry real flood risk: 1 of its 1 at-risk postcodes reach the Environment Agency's High likelihood band. The GU26 postcode district covers Grayshott, close to Standford, Tilford, Princes Marsh, and surrounding villages in parts of Surrey and Hampshire.
1 postcode in the GU26 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 1 high. 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
The rivers that matter here, each monitored live on FloodRadar:
127 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (4 at warning level or above), most recently 24 February 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.
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.