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Does SO16 flood?

Yes — parts of the SO16 district carry real flood risk: 15 of its 38 at-risk postcodes reach the Environment Agency's High likelihood band. The SO16 postcode district covers Bassett, Shirley, Millbrook, Redbridge, close to Southampton, Totton, Nursling, and surrounding villages in parts of Hampshire and England.

38 postcodes in the SO16 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 15 high, 7 medium, 15 low, 1 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 SO16 postcodes are at risk?

SO16 0YE up to High SO16 4DT up to High SO16 4LL up to High SO16 4LN up to High SO16 4NZ up to High SO16 6PN up to High SO16 6QF up to High SO16 6QH up to High SO16 6QN up to High SO16 6QP up to High SO16 6QQ up to High SO16 6QS up to High SO16 6QW up to High SO16 6QY up to High SO16 7AY up to High SO16 4DS up to Medium SO16 4LJ up to Medium SO16 4LP up to Medium SO16 4LY up to Medium SO16 6SD up to Medium SO16 9BH up to Medium SO16 9BJ up to Medium SO16 0YD up to Low SO16 4DP up to Low SO16 4DQ up to Low SO16 5FJ up to Low SO16 6BE up to Low SO16 6FL up to Low SO16 6GD up to Low SO16 6QJ up to Low SO16 6QR up to Low SO16 6QX up to Low SO16 6SY up to Low SO16 9BN up to Low SO16 9BQ up to Low SO16 9JP up to Low SO16 9RB up to Low SO16 9BL up to Very low

Rivers and flooding history near SO16

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

510 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (135 at warning level or above), most recently 19 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.

🏠 Buying or renting in SO16? 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

SO15 SO17 SO14 SO18 SO19 SO20 SO21 SO22

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.