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Bilton, City of Kingston upon Hull
Up to Very low likelihood
Properties in HU11 4BS 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% | 21 | 21 |
Over a 25-year mortgage, a property in a very low-likelihood area has less than a 3% chance of flooding at least once.
HU11 4BS gets about 656 mm of rain a year on average (wettest month November, 65 mm; driest March, 39 mm). That is 44% drier than the UK as a whole, which averages 1,163 mm a year.
A thirty-year average for the surrounding area, not a measurement at this address and not a flood risk on its own: a dry area floods when a storm sits over it, and a wet one may drain away perfectly well. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 2.3 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
The ground here sits at about 3 m above sea level and falls 6 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the north, 3.7 m higher.
Because properties in the very low likelihood band; 5 recorded flood outlines mapped nearby; 185 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around HU11 4BS. 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 | Mapped flood extent | Approx. distance |
|---|---|---|
| Feb 2020 | 2020 February Flood Incident - Storm Dennis | ~46.4 km |
| Feb 2020 | 2020 February Flood Incident - Storm Ciara | ~55.8 km |
| Nov 2019 | 2019 November Flood Incident | ~68.4 km |
| Jun 2007 | 123JUN2007SW0003 | ~16.4 km |
| Jun 2007 | June 2007 Surface Water Flooding Yorkshire | ~7.8 km |
These are extents the Environment Agency has mapped, not a list of every flood. Records, not floods: no outline on the record is not evidence a place has not flooded. The full report tests whether any extent covered the exact spot.
2013-14 UK winter floods (2013, 8 warnings nearby) · Elin (2023, 4 warnings nearby) · Ciaran (2023, 4 warnings nearby) · Lilian (2024, 3 warnings nearby)
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| East Hull Hedon Road | Holderness Drain | 3.8 km | — | 1.60 m |
| Salt end | Burstwick Drain | 5.2 km | — | 2.67 m |
| Hedon Westlands Drain | Burstwick Drain | 5.5 km | — | 1.99 m |
| Hull High Flaggs, Lincoln Street | River Hull | 5.8 km | — | 1.08 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 |
|---|---|---|---|---|
| Main Road Sps | Nearby Ditch | 2.5 km | 21 (2024) | 152 |
| Staithes Road No.2 Sps | Unnamed Trib Of Redmere Sewer | 4.0 km | 1 (2024) | 0 |
| Preston Sps | Nearby Ditch | 4.0 km | 0 (2024) | 0 |
| Hull Wwtw | River Humber | 4.6 km | 194 (2024) | 2,499 |
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 HU11 4BS — all in the HU11 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 HU11 district.