Does SP10 flood?

Yes — parts of the SP10 district carry real flood risk: 4 of its 32 at-risk postcodes reach the Environment Agency's High likelihood band. The SP10 postcode district covers Charlton & the Pentons, close to Andover, Wherwell, Fullerton, and surrounding villages in Hampshire.

32 postcodes in the SP10 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 4 high, 4 medium, 24 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 SP10 postcodes are at risk?

Rivers and flooding history near SP10

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

Andover Town Mill on the River Anton — 0.5 km away, highest on record 57.36m
Upper Clatford on the Pillhill Brook — 2.2 km away, highest on record 52.81m
Wherwell on the River Test — 5.8 km away, highest on record 0.62m
Fullerton Side on the River Anton — 6.8 km away, highest on record 0.35m

151 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (14 at warning level or above), most recently 1 April 2026. Warnings cover flood areas, not individual addresses.

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

River Test Aerial Photography (2014) — about 5.4 km from the centre
Winter 2002/03gw_Charlton River_Aerial(140) (2002) — about 2.9 km from the centre
Winter 2002/03gw_Pilhill Brook_Aerial(93) (2002) — about 3.5 km from the centre
Winter 2002/03gw_Pilhill Brook_Aerial(89) (2002) — about 3.6 km from the centre

🏠 Buying or renting in SP10? 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

SP11 SP9 SP8 SP7 SP6 SP5 SP4 SP3

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.