Up to Low likelihood
Properties in YO8 3RD sit in the Environment Agency's Low flood-likelihood band (worst property). The band is the worst found in the postcode — it describes the land around properties (defence-adjusted, rivers & sea), not any single address, and not today's conditions.
| Likelihood band | Annual chance | Properties | Of which homes |
|---|---|---|---|
| High | greater than 3.3% | 0 | 0 |
| Medium | 1% – 3.3% | 0 | 0 |
| Low | 0.1% – 1% | 5 | 1 |
| Very low | below 0.1% | 18 | 9 |
Over a 25-year mortgage, a property in a low-likelihood area has a 2–22% chance of flooding at least once.
The ground here sits at about 7 m above sea level and falls 8 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the east-north-east, 1.5 m higher.
Because properties in the low likelihood band; 3 recorded floods nearby; 274 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around YO8 3RD. The small panels are illustrative previews of the report's per-layer map views — the full report draws each layer for real, plus recorded extents, defences and a building picker on an interactive map.
Warnings cover flood areas, not individual addresses.
| Date | Recorded flood | Approx. distance |
|---|---|---|
| Feb 2022 | 2022 February Flood Incident -Storm Dudley, Eunice and Franklin | ~22.6 km |
| Jan 2021 | 2021 January Flood Incident - Storm Christoph | ~12.2 km |
| Feb 2020 | 2020 February Flood Incident - Storm Dennis | ~12.2 km |
EA Recorded Flood Outlines — absence of a record never proves a place has not flooded. The full report tests whether any extent covered the exact spot.
Franklin (2022, 11 warnings nearby) · Henk (2024, 11 warnings nearby) · 2013-14 UK winter floods (2013, 9 warnings nearby) · Christoph (2021, 7 warnings nearby)
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| Birkin Holme Washlands | River Aire | 6.6 km | 5.50 m | 5.63 m |
| Chapel Haddlesey | River Aire | 6.8 km | 2.50 m | 3.48 m |
| Roall Ings | Roall Dyke | 7.7 km | 5.00 m | 5.95 m |
| Bolton Percy | River Wharfe | 8.7 km | 7.45 m | 8.32 m |
Live levels, predictions and rain-response behaviour are on each gauge's page and in the property report.
| Overflow | Discharges into | Distance | Spills | Hours |
|---|---|---|---|---|
| Garmancarr Sso | Garmancarr Dike | 3.5 km | 30 (2024) | 82 |
| Tbc When Permit Issued | Tbc When Permit Issued | 3.6 km | 97 (2024) | 1,437 |
| Wistow Sewage Treatment Works | River Ouse (tidal) | 3.6 km | 133 (2024) | 2,001 |
| Sherburn In Elmet Stw | Upper Fox Drain | 3.6 km | 33 (2024) | 163 |
Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.
No mapped flood-defence assets within 500 m of the postcode centre. Defences reduce risk, never remove it.
The interactive flood-risk map with a building picker (your exact house, not the postcode), the 2050s climate view, surface-water and planning flood zones at your building, exact recorded-flood distances, year-by-year warning charts, watercourses including culverted streams, an insurance outlook with the Flood Re rules, and a printable document with every dataset receipt — start with the free preview, unlock for £19.
At-risk postcodes near YO8 3RD — all in the YO8 district.
© 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 and warning history © Environment Agency copyright and/or database right 2025. Storm-overflow figures: EA Event Duration Monitoring. Flood defences © Environment Agency (OGL v3). This page summarises public area-level data — it is not a flood-risk survey and not a substitute for the official GOV.UK service. All data sources & licences. More postcodes: the YO8 district.