Does YO4 flood?

Only lower-likelihood flood risk is recorded in YO4: none of its 1 listed postcodes goes beyond the Low band. The YO4 postcode district sits close to Cawood, Naburn, Nun Appleton and surrounding villages in parts of North Yorkshire and York.

1 postcode in the YO4 district appear in the Environment Agency's rivers-and-sea flood-risk dataset — worst bands: 1 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 YO4 postcodes are at risk?

YO4 6SG up to Low

Rivers and flooding history near YO4

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

Bolton Percy on the River Wharfe — 6 km away, highest on record 8.32m
Cock Beck Sluices on the River Wharfe — 10.2 km away, highest on record 12.84m
York Foss Barrier on the River Ouse — 10.4 km away, highest on record 10.20m
York Foss Barrier on the Browney Dyke — 10.4 km away, highest on record 9.24m

549 official flood warnings and alerts have been raised within ~10 km of the district's centre since 2006 (381 at warning level or above), most recently 14 March 2026. Warnings cover flood areas, not individual addresses.

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

2022 February Flood Incident -Storm Dudley, Eunice and Franklin (2022) — about 28.6 km from the centre
2021 January Flood Incident - Storm Christoph (2021) — about 19 km from the centre
2020 February Flood Incident - Storm Dennis (2020) — about 14.2 km from the centre

🏠 Buying or renting in YO4? 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

YO1 YO7 YO8 YO10 YO11 YO12 YO13 YO14

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.