FloodRadar
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Up to Low likelihood
Properties in BA3 4PS 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% | 1 | 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.
The ground here sits at about 114 m above sea level and falls 56 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the north, 39.2 m higher.
Because properties in the low likelihood band; 1 recorded flood nearby; 205 official warnings since 2006.
The map above shows the real EA rivers & sea likelihood cells around BA3 4PS. 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 |
|---|---|---|
| Nov 2012 | Nov 2012 Floods | ~13.6 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.
2013-14 UK winter floods (2013, 13 warnings nearby) · Angus (2016, 4 warnings nearby) · Dylan (2017, 3 warnings nearby) · Henk (2024, 3 warnings nearby)
| Gauge | River | Distance | Typical high | Highest on record |
|---|---|---|---|---|
| Welton | Wellow Brook | 6.8 km | 0.70 m | 0.89 m |
| Chew Stoke | Chew Stoke Brook | 7.4 km | 0.90 m | 3.13 m |
| Chew Magna Level | Winford Brook | 8.5 km | 0.45 m | 1.20 m |
| Stoke Bottom Farm | Mells River | 9.7 km | 0.30 m | 0.51 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 |
|---|---|---|---|---|
| Hinton Blewett Wrc | The Cam Brook | 1.5 km | 45 (2024) | 175 |
| East Harptree Wrc | Trib Of River Chew | 2.4 km | 141 (2024) | 2,250 |
| Home Farm Cso | Trib Of Wellow Brook | 2.9 km | 29 (2024) | 56 |
| Terrace Wood Cso | Wellow Brook | 3.7 km | 67 (2024) | 180 |
Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.
2 mapped flood-defence assets within 500 m — nearest ~391 m (natural high ground). 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 BA3 4PS — all in the BA3 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 BA3 district.