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Witcombe, Somerset
Up to Medium likelihood
Properties in TA12 6AJ sit in the Environment Agency's Medium 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% | 1 | 0 |
| Low | 0.1% – 1% | 0 | 0 |
| Very low | below 0.1% | 0 | 0 |
Over a 25-year mortgage, a property in a medium-likelihood area has a 22–57% chance of flooding at least once.
TA12 6AJ gets about 777 mm of rain a year on average (wettest month November, 88 mm; driest July, 52 mm). That is 33% 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), 0.8 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 34 m above sea level and falls 43 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the south-south-east, 11.4 m higher.
The river map has no watercourse within 1 km of the centre of TA12 6AJ.
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 medium likelihood band; 5 recorded flood outlines mapped nearby; 357 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around TA12 6AJ. 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 | ~2.1 km |
| Nov 2012 | Nov 2012 Floods | ~17.7 km |
| Mar 2009 | North Wessex Brue Parrett Yeo 2009 | ~1.1 km |
| Jan 1995 | EA112_Somerset_Moors_1995/5_Witcombe Bottom | ~1.5 km |
| Feb 1990 | EA112_Yeo_Long Load | ~2.1 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, 13 warnings nearby) ▶ replay it here · Chandra (2026, 5 warnings nearby) ▶ replay it here · Ciaran (2023, 5 warnings nearby) ▶ replay it here · Herminia (2025, 5 warnings nearby) ▶ replay it here
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| Long Load | Witcombe Bottom Main Drain | 2.3 km | 8.44 m | 10.64 m |
| Gaw Bridge | River Parrett | 3.7 km | 2.80 m | 3.84 m |
| Ilchester | River Yeo | 4.6 km | 2.90 m | 3.99 m |
| Midelney | West Moor Drain | 6.2 km | 1.46 m | 4.04 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 |
|---|---|---|---|---|
| Tintinhull And Ash Wwtw | Trib Of Witcombe Bottom Drain | 1.5 km | 89 (2024) | 1,185 |
| The Coat Pumping Station | Tributary Of The River Parrett | 2.8 km | 19 (2024) | 88 |
| Court House Combined Sewer Overflow | Mill Brook | 3.0 km | 1 (2024) | 0 |
| Queens Crescent Cso | Tributary Of Wellhams Brook | 3.4 km | 44 (2024) | 40 |
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 TA12 6AJ — all in the TA12 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 (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 TA12 district.