Does OX9 flood?

Yes — parts of the OX9 district carry real flood risk: 1 of its 13 at-risk postcodes reach the Environment Agency's High likelihood band. The OX9 postcode district covers Thame, Forest Hill & Holton, Chinnor, Haddenham & Stone, close to Cuddington, Wheatley, Chalgrove, and surrounding villages in parts of Buckinghamshire and Oxfordshire.

13 postcodes in the OX9 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 1 high, 12 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 OX9 postcodes are at risk?

OX9 2LX up to High OX9 2AU up to Low OX9 2BH up to Low OX9 2HY up to Low OX9 2LS up to Low OX9 2LW up to Low OX9 3AA up to Low OX9 3AS up to Low OX9 3AU up to Low OX9 3AW up to Low OX9 3PU up to Low OX9 3QU up to Low OX9 3RU up to Low

Rivers and flooding history near OX9

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

Thame Bridge on the River Thame — 1.1 km away, highest on record 2.99m
Cuddington on the River Thame — 6.5 km away, highest on record 2.59m
Wheatley on the River Thame — 8.6 km away, highest on record 6.11m
Stadhampton on the River Thame — 12.5 km away, highest on record 2.63m

147 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (6 at warning level or above), most recently 18 March 2026. Warnings cover flood areas, not individual addresses.

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

Winter 2013/2014 (2013) — about 22.8 km from the centre
September 1992 flooding — about 3.6 km from the centre

🏠 Buying or renting in OX9? 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

OX10 OX11 OX7 OX12 OX13 OX5 OX14 OX4

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.