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Branton, Doncaster
Up to Very low likelihood
Properties in DN3 3NU sit in the Environment Agency's Very 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% | 0 | 0 |
| Very low | below 0.1% | 1 | 1 |
Over a 25-year mortgage, a property in a very low-likelihood area has less than a 3% chance of flooding at least once.
The ground here sits at about 5 m above sea level and falls 6 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the west-north-west, 2.9 m higher.
Because properties in the very low likelihood band; 4 recorded floods nearby; 103 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around DN3 3NU. 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 | ~16.3 km |
| Jan 2021 | 2021 January Flood Incident - Storm Christoph | ~39.6 km |
| Feb 2020 | 2020 February Flood Incident - Storm Dennis | ~28.2 km |
| Feb 2020 | 2020 February Flood Incident - Storm Ciara | ~31.8 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.
Babet (2023, 11 warnings nearby) · Henk (2024, 4 warnings nearby) · Franklin (2022, 2 warnings nearby) · Chandra (2026, 1 warnings nearby)
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| Doncaster Strawberry Island Temp | Dun Navigation Canal | 7.0 km | 7.75 m | 7.73 m |
| Bentley Ings Screen | Fowler Bridge Drain | 7.3 km | 4.48 m | 4.46 m |
| Doncaster | River Don | 7.6 km | 3.60 m | 6.31 m |
| Kirk Bramwith | River Don | 9.8 km | 5.40 m | 7.58 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 |
|---|---|---|---|---|
| Branton Wastewater Treatment Works | River Torne | 1.2 km | 17 (2024) | 61 |
| Armthorpe Sewage Treatment Works | Tributary Of The Fores Drain | 2.5 km | 12 (2024) | 40 |
| Armthorpe - Cowthorpe Lane Cso | Tributary Of Diggin Dyke | 2.8 km | 4 (2024) | 2 |
| Rossington-bankwood Lane Sps Cso | Tributary Of Rossington Drain | 4.6 km | 4 (2024) | 6 |
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 DN3 3NU — all in the DN3 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. 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. 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 DN3 district.