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No official flood warning is active nearby and the closest river stations are within normal ranges.
Updated 2026-10-09 13:01:00 UTC · Official GOV.UK warnings · Flood preparation & help guide
Great Somerford is a village and civil parish within Dauntsey Vale, Wiltshire, England, near the south bank of the river Avon. It lies approximately 3+1⁄4 miles (5.2 km) southeast of Malmesbury and 12 miles (19 km) west of Swindon. The hamlet of Startley and the area known as Seagry Heath are within the bounds of the parish.
Towns and villages near Great Somerford with a page of their own: the homes in a flood risk area there, the nearest river gauges, and recorded floods.
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.
The nearest watercourse on the river map is the River Avon, about 10 m from the middle of Great Somerford's gauges. It flows on to the sea.
A gauge downstream shows water that has already passed this point; one upstream sees it first. Distances along the river are from the point on the River Avon nearest the middle of Great Somerford's gauges. From Ordnance Survey’s river map (OS Open Rivers), which leaves out small streams, ditches and culverts, so a nearer one may exist. This describes where water goes on the map; it says nothing about flooding at any address. Contains OS data © Crown copyright and database rights 2026.
Great Somerford is monitored by 1 Environment Agency river level station on the River Avon, in Wiltshire. Water levels are updated every 15 minutes, providing real-time flood monitoring for the area.
The River Avon is monitored by 1 station (Great Somerford). Each station records water levels continuously, with data synced to FloodRadar every 5 minutes.
There are 7 Environment Agency flood warning areas within 10km of Great Somerford. When the EA issues a flood warning for any of these areas, it will appear on this page. These include: Upper River Avon and tributaries including Malmesbury, Dauntsey, Chippenham and Calne; Olivemead Lane, The Green and Sodom Lane including Great Dairy Farm. Church Lane including Dauntsey Fields Farm and Union Farm and the Swallet Gate area including St James and St Johns; Bristol Avon and tributaries from downstream of Malmesbury to Chippenham including Cow Bridge, Hullavington, Corston, Rodbourne, Kingsmead Mill, Great Somerford, Lower Seagry, Christian Malford, Sutton Benger, Kellaways, East Tytherton and Stanley; Riverside properties on Old Sodom Lane, The Green and Dauntsey Green including Earl Danbys Primary School. Sodom Lane including Barn Farm and Evergreen Farm and the area around the Providance Chapel.
There are 14 storm overflows within 5km of Great Somerford. None of the 14 with a reporting monitor are currently discharging. Enable "Sewage" on the map above to see their locations.
6 of them, nearest first, with their own page of live status and past discharges:
If flooding is forecast in Great Somerford, call Floodline on 0345 988 1188 for the latest information. Move valuables upstairs, turn off gas and electricity if safe to do so, and avoid walking or driving through flood water. Sign up for flood warnings on any station page above to receive email alerts when water levels rise. For emergency numbers, a preparation checklist and insurance guidance, see our flood help & preparation guide.
Great Somerford gets about 770 mm of rain a year on average (wettest month November, 82 mm; driest March, 52 mm). That is 34% drier than the UK as a whole, which averages 1,163 mm a year. See the rain gauges →
A thirty-year average for the area, not a forecast and not a flood risk on its own. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 1.2 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
Floods whose mapped extent (EA Recorded Flood Outlines) reached within ~5 km of the town centre — most recent first. These are records of mapped extents, not a full list of floods. See them on the map →
Records, not floods: no outline on the record is not evidence a place has not flooded.
Current verdict: Normal. No official flood warning is active nearby and the closest river stations are within normal ranges.
Great Somerford has river level monitoring on River Avon — 1 monitoring station in total.
Use the GOV.UK Check for Flooding service (check-for-flooding.service.gov.uk) or call Floodline on 0345 988 1188 (24 hours). You can also set up free FloodRadar email or browser alerts from any station page above.
Follow official advice: move valuables and vehicles to safety, never walk or drive through flood water, turn off gas and electricity if safe, and check on vulnerable neighbours. See our flood preparation guide at floodradar.co.uk/flood-help.
Yes — the Environment Agency's Recorded Flood Outlines dataset shows 16 recorded flood extents around the town centre since 1703, most recently in 1960. That is a count of mapped extents, not of separate floods. Records, not floods: no outline on the record is not evidence a place has not flooded. See the flood history link below.
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