Does GU2 flood?

Yes — parts of the GU2 district carry real flood risk: 7 of its 11 at-risk postcodes reach the Environment Agency's High likelihood band. The GU2 postcode district covers St Nicolas, Onslow, close to Guildford, Shalford, Albury, and surrounding villages in parts of Surrey and Hampshire.

11 postcodes in the GU2 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 7 high, 1 medium, 3 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 GU2 postcodes are at risk?

GU2 4AB up to High GU2 4AJ up to High GU2 4AW up to High GU2 4BB up to High GU2 4BD up to High GU2 4BE up to High GU2 4HJ up to High GU2 4HP up to Medium GU2 4AH up to Low GU2 4AZ up to Low GU2 4BL up to Low

Rivers and flooding history near GU2

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

Guildford on the River Wey — 0.2 km away, highest on record 3.88m
Shalford on the River Tillingbourne — 1.6 km away, highest on record 1.16m
Bramley on the Cranleigh Waters — 3.1 km away, highest on record 3.99m
Godalming on the River Wey — 4.9 km away, highest on record 1.56m

110 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (40 at warning level or above), most recently 6 February 2026. Warnings cover flood areas, not individual addresses.

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

06JanuaryNewYear2003 (2002) — about 3.3 km from the centre

🏠 Buying or renting in GU2? 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

GU1 GU3 GU4 GU5 GU6 GU7 GU8 GU9

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.