FloodRadar
Log inCreate free account

Explore FloodRadar

Map

The live map

By place

Where it flooded

Rivers

Right now

Community

Explore a river

Other water

River history

Weather

What’s coming

What fell

The bigger picture

Sewage

Sewage & storm overflows

My Gauges

Yours

Why?

About FloodRadar

Flood help

Buying or moving

Does Wallingford flood?

Oxfordshire
30postcodes in the EA rivers-and-sea dataset
10river gauges within 10 km
9years with a mapped flood record within 5 km
🏠 Thinking of buying in Wallingford? Get the detailed Property Flood-Risk Report for any Wallingford postcode — official risk band, recorded floods since 1703, warning history, river behaviour and nearby storm overflows. £19 one-off, instant. Learn more →

What the Environment Agency's rivers-and-sea flood-risk data says about Wallingford

Ordnance Survey places 30 postcodes in Wallingford in the Environment Agency's rivers-and-sea flood-risk dataset (Risk of Flooding from Rivers and Sea). Each postcode is counted once, under the worst band any of its properties reaches; together they hold 207 properties in the EA dataset's likelihood bands.

EA likelihood bandPostcodes (worst band)Properties in the EA datasetof which homes
High92713
Medium43429
Low17146124
Very low000
All bands30207166

This dataset covers flooding from rivers and the sea only — one of five flood sources. Surface water, groundwater, sewers and reservoirs are assessed separately, so a postcode missing from it is not proof that a place cannot flood. The band describes the land around properties (allowing for defences), not any single address and not today's conditions.

Rivers and live river levels near Wallingford

Environment Agency gauges within 10 km of Wallingford watch River Thames, Ewelme Brook, River Thame, Mill Brook, Chalgrove Brook.

Distances are from the middle of Wallingford's at-risk postcodes. Tidal and structure gauges are shown as readings only — the tide and sluice gates move them, not floods. A gauge with no recent reading shows no level.

The watercourse nearest Wallingford

The nearest watercourse on the river map is Bradford's Brook, about 140 m from the middle of Wallingford's at-risk postcodes. It flows into the River Thames about 260 m downstream.

A gauge downstream shows water that has already passed this point; one upstream sees it first. Distances along the river are from the point on Bradford's Brook nearest the middle of Wallingford's at-risk postcodes. From Ordnance Survey’s river map (OS Open Rivers), which leaves out small streams, ditches and culverts, so a nearer one may exist. This describes where water goes on the map; it says nothing about flooding at any address. Contains OS data © Crown copyright and database rights 2026.

Flood warning areas near Wallingford

9 Environment Agency flood warning areas lie within 10 km of Wallingford. The EA has issued 88 flood warnings and alerts for them since 2006, most recently on 26 Feb 2026.

Recorded floods near Wallingford

Floods whose mapped extent (EA Recorded Flood Outlines) reached within ~5 km of Wallingford, most recent first. Records, not floods: no outline on the record is not evidence a place has not flooded. See them on the map →

…and 8 earlier recorded floods on the map.

Rainfall near Wallingford

Wallingford gets about 663 mm of rain a year on average (wettest month November, 72 mm; driest March, 44 mm). That is 43% drier than the UK as a whole, which averages 1,163 mm a year. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 2.4 km from the place centre.

The nearest rain gauge, Rainfall station (2.6 km away), recorded 4.0 mm in the last 24 hours and 64.2 mm in the last 7 days (latest reading 37 min ago).

At-risk postcodes in Wallingford

Every postcode Ordnance Survey places in Wallingford that appears in the EA's rivers-and-sea dataset, worst band first. Each links to its own flood-risk page.

High likelihood (9)

OX10 0BLOX10 0BNOX10 0HDOX10 9AAOX10 9DYOX10 9DZOX10 9EDOX10 9EPOX10 9ER

Medium likelihood (4)

OX10 0BJOX10 0EZOX10 0HAOX10 0HB

Low likelihood (17)

OX10 0BBOX10 0BHOX10 0BPOX10 0BWOX10 0ETOX10 9DSOX10 9DXOX10 9EAOX10 9EBOX10 9EEOX10 9EFOX10 9EQOX10 9EWOX10 9HAOX10 9LYOX10 9LZOX10 9SJ

Postcode districts

OX10 · 30

Sources

FloodRadar summarises public flood data. It is not a flood-risk survey of any property, and it does not replace official GOV.UK flood warnings or the GOV.UK long-term flood risk service.

Flood-risk bands: © 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.

Recorded Flood Outlines, flood warning areas and warning history © Environment Agency copyright and/or database right 2025. Licensed under the Open Government Licence v3.0.

River levels and rainfall: Environment Agency real-time flood-monitoring data, updated every 15 minutes (Open Government Licence v3.0).

Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.

Place names: Contains OS data © Crown copyright and database rights 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Contains National Statistics data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0.

All data sources & licences