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Does BA4 6PY flood?

Alhampton, Somerset

Up to Medium likelihood

Properties in BA4 6PY 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 bandAnnual chancePropertiesOf which homes
Highgreater than 3.3%00
Medium1% – 3.3%20
Low0.1% – 1%22
Very lowbelow 0.1%00

Over a 25-year mortgage, a property in a medium-likelihood area has a 22–57% chance of flooding at least once.

The ground around BA4 6PY

The ground here sits at about 41 m above sea level and falls 13 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the south-south-east, 8.1 m higher.

Shaded relief map of the ground around BA46PY, computed from Environment Agency LiDAR. The ground here sits at about 41 m above sea level and falls 13 m across the surrounding 800 m. Surface water reaching this point runs off ground lying to the south-south-east, 8.1 m higher.
Shaded relief of the bare ground within about 400 m of BA4 6PY, computed from the Environment Agency's published LiDAR terrain survey. The ring marks the postcode centre, not a property. This shows the shape of the land, not a flood map — it does not include drains, culverts, walls or kerbs, and the official likelihood band above is the authoritative figure. © Environment Agency copyright and/or database right 2022. All rights reserved.
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Get the full flood report for BA4 6PY — £19 Free preview first · instant access · no account needed The detail below — flood history, warnings, rivers, overflows — is part of FloodRadar's property flood-risk report. The official band above is free; the preview shows more before you decide.

Inside the full report for BA4 6PY

FloodRadarProperty Flood-Risk Report
BA4 6PY
Moderate flood risk — investigate further

Because properties in the medium likelihood band; 3 recorded floods nearby; 1 official warnings since 2006.

D Today — indicative grade (A best → E)
··· By the 2050s — EA climate scenario (in the full report)
⚑ Official warning within 10 km: Yes ⚑ Recorded flood nearby: Yes ⚑ Flood defences within 500 m: Yes ⚑ In flood zone 2 or 3: ···
Rivers & sea
Up to Medium
Surface water
···
Groundwater
Not assessed
Historic flooding
Recorded nearby
Warning history · flood map with building picker · 2050s view · insurance outlook · every dataset receipt — 18 sections

Flood-risk map of this area

Environment Agency flood-likelihood cells
High (>3.3%/yr) Medium Low Very low Marker = postcode centre Base map © OpenStreetMap contributors

The map above shows the real EA rivers & sea likelihood cells around BA4 6PY. 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.

Official flood warnings near BA4 6PY

1
flood alerts & warnings within 10 km since 2026
1
of them full flood warnings or severe warnings
2026
most recent warning nearby (2026-01-21)

Warnings cover flood areas, not individual addresses.

Recorded floods near this postcode

DateRecorded floodApprox. distance
Nov 2012 Nov 2012 Floods ~31.8 km
Oct 1998 EA112_Alham_Alhampton_1998 ~0.2 km
Jul 1982 EA112_Alham_Alhampton_1982 ~0.2 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.

The rivers that matter for BA4 6PY

GaugeRiverDistanceTypical highHighest on record
Lovington River Brue 4.8 km 2.16 m 4.45 m
Bruton Surgery River Brue 5.8 km 0.67 m 2.69 m
Bruton Dam River Brue 7.2 km 3.71 m 10.70 m
Shepton Mallet Garston Street River Sheppey 8.9 km 0.40 m 1.60 m

Live levels, predictions and rain-response behaviour are on each gauge's page and in the property report.

Storm overflows within 5 km

OverflowDischarges intoDistanceSpillsHours
Ditcheat Wastewater Treatment Works River Alham 0.3 km 81 (2024) 931
— 2.5 km 0 (2024) 0
Castle Cary Water Recycling Centre River Cary 3.0 km 95 (2024) 1,351
Evercreech Water Recycling Centre River Alham 3.3 km 36 (2024) 339

Official annual EDM figures — a water-quality signal for local watercourses, not a property flood-risk factor.

Flood defences

2 mapped flood-defence assets within 500 m — nearest ~220 m (natural high ground). Defences reduce risk, never remove it.

What the full property report adds

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.

Flood risk at nearby postcodes

BA4 6AG up to High BA4 6AJ up to High BA4 6BL up to Medium BA4 6DD up to High BA4 6DG up to High BA4 6DP up to Medium BA4 6DS up to High BA4 6DX up to Low BA4 6EA up to Low BA4 6EB up to High BA4 6HJ up to High BA4 6HQ up to High

At-risk postcodes near BA4 6PY — all in the BA4 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 BA4 district.