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Does SO50 flood?

Yes — parts of the SO50 district carry real flood risk: 18 of its 55 at-risk postcodes reach the Environment Agency's High likelihood band. The SO50 postcode district covers Fair Oak & Horton Heath, Bishopstoke, close to Eastleigh, Colden Common, Swaythling, and surrounding villages in parts of Hampshire and England.

55 postcodes in the SO50 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 18 high, 2 medium, 22 low, 13 very 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 SO50 postcodes are at risk?

SO50 6AA up to High SO50 6AB up to High SO50 6HT up to High SO50 6JQ up to High SO50 6LA up to High SO50 6LB up to High SO50 6PQ up to High SO50 7AL up to High SO50 7AU up to High SO50 7DD up to High SO50 7DE up to High SO50 7HE up to High SO50 8DA up to High SO50 8LP up to High SO50 8LQ up to High SO50 8LS up to High SO50 9HQ up to High SO50 9LH up to High SO50 7HG up to Medium SO50 7JA up to Medium SO50 5BG up to Low SO50 5BX up to Low SO50 6AD up to Low SO50 6HR up to Low SO50 6LL up to Low SO50 6LR up to Low SO50 6RP up to Low SO50 7AH up to Low SO50 7AJ up to Low SO50 7AN up to Low SO50 7AT up to Low SO50 7DY up to Low SO50 7EZ up to Low SO50 7JB up to Low SO50 7JD up to Low SO50 7JL up to Low SO50 8LU up to Low SO50 9LR up to Low SO50 9NQ up to Low SO50 9NW up to Low SO50 9PY up to Low SO50 9RL up to Low SO50 6HQ up to Very low SO50 6HS up to Very low SO50 6HZ up to Very low SO50 7BH up to Very low SO50 7ED up to Very low SO50 7GT up to Very low SO50 7LR up to Very low SO50 7LS up to Very low SO50 7LT up to Very low SO50 7LW up to Very low SO50 7LX up to Very low SO50 7NF up to Very low SO50 9YX up to Very low

Rivers and flooding history near SO50

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

369 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (65 at warning level or above), most recently 30 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 SO50? 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

SO51 SO52 SO53 SO45 SO43 SO42 SO41 SO40

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.