Does PO33 flood?

Yes — parts of the PO33 district carry real flood risk: 44 of its 74 at-risk postcodes reach the Environment Agency's High likelihood band. The PO33 postcode district covers Brading & St Helens, close to Ryde, St Helens, Alverstone, and surrounding villages in parts of Isle of Wight and Hampshire.

74 postcodes in the PO33 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 44 high, 16 medium, 13 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 PO33 postcodes are at risk?

PO33 1FS up to High PO33 1HS up to High PO33 1JA up to High PO33 1JD up to High PO33 1JE up to High PO33 1JF up to High PO33 1JG up to High PO33 1JL up to High PO33 1JN up to High PO33 1JP up to High PO33 1JQ up to High PO33 1JR up to High PO33 1JS up to High PO33 1JU up to High PO33 1JW up to High PO33 1JZ up to High PO33 1LG up to High PO33 1XL up to High PO33 1XZ up to High PO33 1YB up to High PO33 1YH up to High PO33 1YS up to High PO33 1YU up to High PO33 2BA up to High PO33 2BD up to High PO33 2DL up to High PO33 2DZ up to High PO33 2FF up to High PO33 2HE up to High PO33 2HF up to High PO33 2HH up to High PO33 2RU up to High PO33 2TR up to High PO33 3SY up to High PO33 4EU up to High PO33 4HS up to High PO33 4HX up to High PO33 4HY up to High PO33 4HZ up to High PO33 4JN up to High PO33 4JR up to High PO33 4LA up to High PO33 4LB up to High PO33 4LQ up to High PO33 1FL up to Medium PO33 1HH up to Medium PO33 1JB up to Medium PO33 1JH up to Medium PO33 1LA up to Medium PO33 1LP up to Medium PO33 1LR up to Medium PO33 1XG up to Medium PO33 1XY up to Medium PO33 2BE up to Medium PO33 2DY up to Medium PO33 2EB up to Medium PO33 2EH up to Medium PO33 2HJ up to Medium PO33 4EY up to Medium PO33 4RN up to Medium PO33 1HL up to Low PO33 1LE up to Low PO33 1XJ up to Low PO33 1XQ up to Low PO33 1YR up to Low PO33 2BB up to Low PO33 2EL up to Low PO33 2XT up to Low PO33 3BD up to Low PO33 3TY up to Low PO33 4BE up to Low PO33 4JX up to Low PO33 4NS up to Low PO33 1JJ up to Very low

Rivers and flooding history near PO33

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

457 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (111 at warning level or above), most recently 26 February 2026. Warnings cover flood areas, not individual addresses.

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

🏠 Buying or renting in PO33? 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

PO32 PO34 PO31 PO35 PO30 PO36 PO37 PO38

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.