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Up to Low likelihood
Properties in BA22 8HW 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% | 9 | 0 |
| Very low | below 0.1% | 0 | 0 |
Over a 25-year mortgage, a property in a low-likelihood area has a 2–22% chance of flooding at least once.
BA22 8HW gets about 764 mm of rain a year on average (wettest month November, 86 mm; driest May, 50 mm). That is 34% 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), 3.1 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 19 m above sea level and falls 8 m across the surrounding 800 m. The ground contributing surface water to this point lies to the east-south-east.
The river map has no watercourse within 1 km of the centre of BA22 8HW.
That means this spot is not on the river map, not that there is no water here: Ordnance Survey’s river map (OS Open Rivers) leaves out small streams, ditches and culverts. Contains OS data © Crown copyright and database rights 2026.
Because properties in the low likelihood band; 6 recorded flood outlines mapped nearby; 41 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around BA22 8HW. 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 |
|---|---|---|
| Jan 2014 | Flood Extents_Winter 2013 to 2014 | ~5.8 km |
| Nov 2012 | Nov 2012 Floods | ~24.1 km |
| Mar 2009 | North Wessex Brue Parrett Yeo 2009 | ~7.0 km |
| Feb 1990 | EA112_Yeo_Ilchester_Yeovilton | ~3.2 km |
| May 1979 | EA112_Yeovilton_Yeo | ~1.9 km |
| May 1979 | EA112_Yeo_Ilchester to Mudford_1979 | ~2.6 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.
Chandra (2026, 2 warnings nearby) ▶ replay it here · Herminia (2025, 2 warnings nearby) ▶ replay it here · Ciaran (2023, 2 warnings nearby) ▶ replay it here · Bram (2025, 1 warnings nearby) ▶ replay it here
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| Ilchester | River Yeo | 3.5 km | 2.90 m | 3.99 m |
| Weston Bampfylde | River Cam | 5.2 km | 0.60 m | 2.86 m |
| Lovington | River Brue | 8.2 km | 2.16 m | 4.45 m |
| Long Load | Witcombe Bottom Main Drain | 8.4 km | 8.44 m | 10.64 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 |
|---|---|---|---|---|
| Yeovilton Weir Pumping Station | River Yeo (s) | 1.9 km | 50 (2025) | 483 |
| Frog Lane Pumping Station | River Cam (s) | 2.3 km | 41 (2025) | 760 |
| Limington Pumping Station | Trib Of River Yeo | 2.4 km | 37 (2025) | 534 |
| Kingsdon Pumping Station | Trib Of Park Brook | 3.2 km | 45 (2025) | 894 |
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.
Flooded here before? Log it and see what your floods had in common.
At-risk postcodes near BA22 8HW — all in the BA22 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 (England); live overflow status © the water companies, incl. Dŵr Cymru Welsh Water and Scottish Water. 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 BA22 district.