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Does OX3 flood?

Yes — parts of the OX3 district carry real flood risk: 13 of its 37 at-risk postcodes reach the Environment Agency's High likelihood band. The OX3 postcode district covers Marston, Barton & Sandhills, Forest Hill & Holton, Launton and Otmoor, close to Oxford, Botley, Hinksey Lake, Oxford, and surrounding villages in Oxfordshire.

37 postcodes in the OX3 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 13 high, 6 medium, 18 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 OX3 postcodes are at risk?

OX3 0EG up to High OX3 0HH up to High OX3 0HJ up to High OX3 0JT up to High OX3 0PZ up to High OX3 0QF up to High OX3 9FU up to High OX3 9FW up to High OX3 9GE up to High OX3 9GR up to High OX3 9NS up to High OX3 9SB up to High OX3 9TX up to High OX3 0HG up to Medium OX3 0HQ up to Medium OX3 0PP up to Medium OX3 0RF up to Medium OX3 0RH up to Medium OX3 9GS up to Medium OX3 0EX up to Low OX3 0HB up to Low OX3 0JP up to Low OX3 0JR up to Low OX3 0JU up to Low OX3 0RB up to Low OX3 0RE up to Low OX3 0RJ up to Low OX3 0RL up to Low OX3 0RN up to Low OX3 0RP up to Low OX3 0RT up to Low OX3 0RU up to Low OX3 0RW up to Low OX3 0SJ up to Low OX3 0SL up to Low OX3 9TD up to Low OX3 9TW up to Low

Rivers and flooding history near OX3

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

231 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (81 at warning level or above), most recently 6 March 2026. Warnings cover flood areas, not individual addresses.

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

🏠 Buying or renting in OX3? 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

OX2 OX4 OX1 OX5 OX7 OX9 OX10 OX11

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.