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BHazard risk Grade
Flood & hazards in Shipston-on-Stour · Environment Agency

In Shipston-on-Stour, heavy rain puts more homes at risk than rivers or the sea: 12%, against under 0.1%

On the Environment Agency’s maps, which allow for flood defences, “high or medium” means at least a 1 in 100 chance of flooding from rivers or the sea in any year. Shipston-on-Stour grades B for hazard risk: #13 of 34 in Warwickshire.

2007worst recorded flood25flood warnings since 200679%in a radon Affected Area
In brief

What stands out about Shipston-on-Stour’s hazards

From the Environment Agency’s maps and records and the BGS radon atlas, below.

Rain, more than the river12% of homes sit where heavy rain can flood the streets, against under 0.1% at risk from rivers and the sea.Remembers 2007Floodwater covered 11 hectares of today’s Shipston-on-Stour in 2007; 97 of today’s households live inside past flood outlines.The River Stour ran its 7th-highest in November 20243.67 m at Shipston on 24 November 2024, 156 cm under the record set in 2007.25 flood warnings since 2006For the parts of Shipston-on-Stour the Environment Agency warns directly; the most recent on 18 December 2025.
By hazard

What Shipston-on-Stour faces

Each hazard against its own yardstick; meters run from low to high on that yardstick.

Rivers and the sea

under 0.1%of homes at high or medium risk
Fewer than the typical UK town · more than 36% of towns
1 homes by the EA’s own count

Surface water

12%of homes at high or medium risk
More than 94% of UK towns
About 320 households

Past floods

1years with a recorded flood
Last recorded: July 2007
97 households inside past outlines

The River Stour

3.15 mhighest in winter 2025–26 at Shipston
16th-highest of 35 winters
Record 5.22 m, July 2007

Flood warnings

25flood warnings since 2006
100 flood alerts for the wider area
Last warning 18 December 2025

Radon

79%of the town in a radon Affected Area
Highest band here: 3–5% of homes
No square of 5% or more
Not on this page: coastal erosion, subsidence and shrink-swell ground (the British Geological Survey licenses it), groundwater flooding and reservoir failure.
Hazard risk Grade

Shipston-on-Stour grades B for hazard risk

Flood risk from rivers and the sea, against all UK towns.

Homes at high or medium flood risk (under 0.1%)Fewer than 64% of UK towns

The share of homes at high or medium risk from rivers and the sea, ranked against every UK town of 1,000 or more: fewer homes at risk is better. Towns with none at high or medium risk are ordered by their share at low risk, so they don’t all share one score. Surface water and radon aren’t graded: they are described below.

Flood map

Where the water goes in Shipston-on-Stour

Turn layers on and off. Blue is the risk from rivers and the sea; pink is where heavy rain collects. Both allow for flood defences.

Recorded flood: 2007© OpenStreetMap contributors · EA NaFRA2
HighMediumLowrivers & seaHighMediumLowsurface waterShipston-on-Stour’s built-up area

The river and sea risk follows the River Stour. Surface-water risk is spread across the town, in dips, underpasses and along small streams, which is why more homes are exposed to it.

Rivers and the sea

Under 0.1% of Shipston-on-Stour’s homes are at high or medium risk from rivers or the sea

The Environment Agency’s national map, allowing for defences. A further under 0.1% are at low risk.

High riskunder 0.1%of homes · 1 in 30 a year or more1 homes, EA count
Medium risk0%of homes · 1 in 30 to 1 in 1000 homes, EA count
Low riskunder 0.1%of homes · 1 in 100 to 1 in 1,0002 homes, EA count
Where Shipston-on-Stour sits among 3,735 UK towns
35%None
23%Under 0.5%Shipston-on-Stour
9%0.5–1%
11%1–2%
11%2–5%
5%5–10%
3%10–20%
2%20% +

Share of each UK town’s homes at high or medium risk from rivers and the sea. 35% of UK towns have none; Shipston-on-Stour has more than 36% of towns.

Towns its size: 208th of 624 from the fewest homes at risk
#TownPeopleHigh or med.
1Highworth Wiltshire7,9320%
2Norton-on-Derwent North Yorkshire7,9090%
3City of London London7,8200%
…
206Histon and Impington Cambridgeshire7,781under 0.1%
207Fazeley Staffordshire7,571under 0.1%
208Shipston-on-Stour Warwickshire5,852under 0.1%
209Winterton Lincolnshire4,764under 0.1%
210Elmswell Suffolk4,446under 0.1%
…
623Howden East Riding of Yorkshire4,57262%
624Stainforth South Yorkshire5,99963%

UK towns of 4,000 to 8,000 people.

The Environment Agency’s Risk of Flooding from Rivers and Sea (NaFRA2, June 2026) counts each postcode’s homes by band; the shares weight those postcodes by Census 2021 households. The EA counts include homes built since 2021.

Surface water

12% of Shipston-on-Stour’s homes are at high or medium risk from surface water

Surface water is rain that falls faster than drains and the ground can take it. It is mapped separately from rivers and the sea, and it is not in the Hazard risk Grade.

Surface water12%
Rivers and the seaunder 0.1%
0%14%28% of homes

About 6.9% of homes are at high risk of surface-water flooding (a 1 in 30 chance or more each year) and 4.8% at medium risk: roughly 320 households. A further 12% face a low risk from surface water. That is more than 94% of UK towns.

~320
households at high or medium risk
12%
of homes at low risk
94%
of UK towns have a smaller share
3,482
addresses read on the map

Our estimate: every address in the town (ONS NSUL) read on the Environment Agency’s Risk of Flooding from Surface Water map (NaFRA2, 2025), each postcode’s share weighted by its Census 2021 households. Neither agency publishes a count of homes for surface water, so treat it as a guide; one street can differ from the next.

Flood history

Shipston-on-Stour has flooded in 1 recorded year since 2007

Every flood the Environment Agency has mapped inside Shipston-on-Stour’s built-up area, newest first. The record is fullest for big river floods; small and surface-water floods are often missing.

  1. 2007July 2007: River flooding recorded11 hectares inside today’s built-up area
The worst: 200711 ha

Floodwater covered 11 hectares of what is now Shipston-on-Stour in 2007, the largest flood the record holds here (July).

97 of Shipston-on-Stour’s households today live inside the outline of a recorded flood.

River levels

The River Stour at Shipston: highest 5.22 m, in July 2007

The highest level each winter (October to September) at the Environment Agency’s Shipston gauge, since 1990. The river normally runs between 0.12 m and 0.97 m here.

Highest level each winter, metres
Winter 1990–91: highest 2.00 m · 6 days above the normal rangeWinter 1991–92: highest 2.56 m · 17 days above the normal rangeWinter 1992–93: highest 3.35 m · 34 days above the normal rangeWinter 1993–94: highest 2.67 m · 53 days above the normal rangeWinter 1994–95: highest 2.39 m · 46 days above the normal rangeWinter 1995–96: highest 2.52 m · 18 days above the normal rangeWinter 1996–97: highest 1.34 m · 2 days above the normal rangeWinter 1997–98: highest 4.21 m on 9 April 1998 · 31 days above the normal rangeWinter 1998–99: highest 2.47 m · 49 days above the normal rangeWinter 1999–00: highest 3.21 m · 50 days above the normal rangeWinter 2000–01: highest 3.34 m · 86 days above the normal rangeWinter 2001–02: highest 2.39 m · 26 days above the normal rangeWinter 2002–03: highest 3.03 m · 48 days above the normal rangeWinter 2003–04: highest 1.86 m · 15 days above the normal rangeWinter 2004–05: highest 3.02 m · 19 days above the normal rangeWinter 2005–06: highest 2.57 m · 15 days above the normal rangeWinter 2006–07: highest 5.22 m on 20 July 2007 · 85 days above the normal rangeWinter 2007–08: highest 3.45 m · 48 days above the normal rangeWinter 2008–09: highest 3.53 m · 28 days above the normal rangeWinter 2009–10: highest 3.13 m · 38 days above the normal rangeWinter 2010–11: highest 2.25 m · 16 days above the normal rangeWinter 2011–12: highest 3.04 m · 30 days above the normal rangeWinter 2012–13: highest 3.71 m on 21 November 2012 · 70 days above the normal rangeWinter 2013–14: highest 3.53 m · 83 days above the normal rangeWinter 2014–15: highest 2.88 m · 22 days above the normal rangeWinter 2015–16: highest 3.77 m on 9 March 2016 · 36 days above the normal rangeWinter 2016–17: highest 2.29 m · 14 days above the normal rangeWinter 2017–18: highest 3.04 m · 37 days above the normal rangeWinter 2018–19: highest 2.85 m · 14 days above the normal rangeWinter 2019–20: highest 3.69 m on 14 November 2019 · 71 days above the normal rangeWinter 2020–21: highest 3.69 m on 24 December 2020 · 60 days above the normal rangeWinter 2022–23: highest 3.20 m · 50 days above the normal rangeWinter 2023–24: highest 3.58 m on 24 September 2024 · 90 days above the normal rangeWinter 2024–25: highest 3.67 m on 24 November 2024 · 50 days above the normal rangeWinter 2025–26: highest 3.15 m · 68 days above the normal range’06–07’97–98’15–16Record 5.22 m, 2007Top of normal range
1990–912025–26
The highest days on record
  • 20 July 20075.22 m
  • 9 April 19984.21 m
  • 9 March 20163.77 m
  • 21 November 20123.71 m
  • 14 November 20193.69 m
  • 24 December 20203.69 m

The River Stour has topped its normal range on 1,425 days since 1990, most in the winters of 2023–24 and 2000–01. By its highest day, the winter of 2025–26 was the 16th-highest of the 35.

Environment Agency Hydrology API, Shipston (station 2092), daily maximum level; the record and normal range from the EA’s stage scale. Live river levels are on GOV.UK’s Check for flooding.

Flood warnings

No flood warning or alert is in force for Shipston-on-Stour · 25 warnings in 20 years

The Environment Agency has 1 flood warning area and 1 alert area reaching into the town; warnings since the service began in 2006.

Now: no flood warnings or alerts for Shipston-on-Stour (checked 14 November 2026, 23:24). Check for flooding on GOV.UK →
Warnings and alerts each year for areas in Shipston-on-Stour
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
Flood warning (flooding expected)Flood alert (flooding possible)

Of the 25 warnings, 25 were for River Stour at Mitford Bridge, Shipston on Stour and Tredington. 2024 had the most warnings (4); 2012 the most alerts (13).

The most recent warning was on 18 December 2025.

Show the 2 warning and alert areas
AreaKindSince 2006Now
River Stour at Mitford Bridge, Shipston on Stour and TredingtonWarning area25None
River Stour in South WarwickshireAlert area100None

Environment Agency Historic Flood Warnings (first issues only, not updates; “flood watch” counted as an alert before 2011) and the real-time flood-monitoring API. Sign up for free warnings on GOV.UK or call Floodline, 0345 988 1188.

Radon

Parts of Shipston-on-Stour are in radon Affected Areas, at the low end

Radon is a natural radioactive gas from the ground; long exposure raises the risk of lung cancer. The atlas gives the chance that a home in each 1 km square is above the UK action level (200 Bq/m³).

SP2440: Under 1% of homes above the action levelSP2539: Under 1% of homes above the action levelSP2540: 3–5% of homes above the action levelSP2541: 3–5% of homes above the action levelSP2639: 1–3% of homes above the action levelSP2640: 3–5% of homes above the action levelSP2641: 3–5% of homes above the action level© OpenStreetMap contributors · BGS/UKHSA
Under 1%1–3%3–5%
Share of the town’s area in each band
Under 1% of homes21%
1–3% of homes7%
3–5% of homes72%

79% of Shipston-on-Stour’s built-up area is in a radon Affected Area (1% of homes or more above the action level).

The squares are indicative: each takes the highest band found anywhere inside it, so most homes in a coloured square are below it. Only a three-month test in the home gives a real answer.

BGS/UKHSA Indicative Atlas of Radon in Great Britain, version 3. Check an address at UKradon.org.

Neighbours

Flood risk in the places around Shipston-on-Stour

Share of homes at high or medium and at low risk from rivers and the sea. Tap a town for its page.

Ettington: Hazard risk AMoreton-in-Marsh: Hazard risk C−Mickleton: Hazard risk BLower Quinton: Hazard risk ABlockley: Hazard risk C−Chipping Campden: Hazard risk DMeon Vale: Hazard risk AEttingtonMoreton-in-MarshMickletonLower QuintonBlockleyChipping CampdenMeon ValeShipston-on-Stour
ABCD
TownPeopleHigh or mediumLowHazard
Shipston-on-Stour5,852under 0.1%under 0.1%B
Ettington1,0640%0%A
Moreton-in-Marsh5,0151.9%1.8%C−
Mickleton2,316under 0.1%0%B
Lower Quinton1,6910%0%A
Blockley1,0691.9%1.5%C−
Chipping Campden2,1206.2%1.3%D
Meon Vale1,4130%0%A

Chipping Campden, 6.4 miles west, has the most homes at risk around Shipston-on-Stour (6.2% at high or medium). Ettington, Lower Quinton and Meon Vale have none.

Be ready

Get ready for what Shipston-on-Stour faces

Free warnings, what to do in a cloudburst, and what to check before you move.

Get the warnings
  • Sign up free for Environment Agency flood warnings by text, call or email.
  • Floodline: 0345 988 1188, 24 hours.
  • Shipston-on-Stour’s warning areas include River Stour at Mitford Bridge, Shipston on Stour and Tredington.
Sign up ↗
In a cloudburst
  • Surface water rises in minutes, often with no warning issued: stay out of underpasses and dips.
  • Keep the gullies and drains outside your home clear of leaves.
  • Report a blocked road drain to the council.
Radon
  • Test over three months, in a living room and a bedroom.
  • Above 200 Bq/m³, a small sump and fan usually fixes it.
  • New homes in radon areas are built with protection: basic from 3%, full from 10%.
UKradon ↗
Before you buy or rent in Shipston-on-Stour
  • Check the address on GOV.UK’s long-term flood risk service: it gives rivers and sea and surface water separately.
  • Ask whether the home has flooded or had a flood insurance claim; the TA6 property form asks the seller.
  • Homes built before 2009 can get flood cover through Flood Re, the government-backed scheme; newer homes can’t.
  • Check radon for the address on UKradon.org (a small fee) or ask the seller for a test result.
How to read these numbers

What this data can and can’t tell you

  • Defences are counted. Both agencies’ maps allow for flood defences and the chance they are overtopped or fail, so a town behind a defence scheme can show few homes at high risk and many at low risk.
  • Surface water is our estimate. Neither agency publishes a count of homes at risk from surface water, so we read each address on the map. A flat on a hill and a basement in a dip can share a postcode.
  • Past floods are what was recorded. The flood outlines come from surveys, aerial photographs and reports; many small floods, and most surface-water floods, were never mapped.
  • One town, many streets. Risk is street by street. Check a specific address on GOV.UK’s long-term flood risk service before you buy or rent.

Check the long-term flood risk for an address on GOV.UK →

Questions about flooding and hazards in Shipston-on-Stour

Does Shipston-on-Stour flood?

The last flood the Environment Agency recorded inside the town was in July 2007. Under 0.1% of homes are at high or medium risk from rivers and the sea on the Environment Agency’s maps, which allow for flood defences. About 12% of homes are at high or medium risk from surface water, when heavy rain overwhelms the drains. Shipston-on-Stour grades B for hazard risk against UK towns.

Which parts of Shipston-on-Stour are at risk of flooding?

From rivers and the sea, the places the Environment Agency warns directly: River Stour at Mitford Bridge, Shipston on Stour and Tredington. Surface water can collect in low spots anywhere in the town. Check a specific address on GOV.UK’s long-term flood risk service.

When did Shipston-on-Stour last flood?

The recorded flood outlines inside the town run from 2007 to 2007 (1 years); the largest was in 2007. Flood warnings have been issued for parts of the town since 2006, most recently on 18 December 2025.

Is Shipston-on-Stour at risk of surface water flooding?

About 6.9% of homes are at high risk and 4.8% at medium risk from surface water, against under 0.1% at high or medium risk from rivers and the sea. Surface water floods come with little warning, and the agencies don’t issue warnings for them.

Is radon a problem in Shipston-on-Stour?

79% of the town’s built-up area is in a radon Affected Area on the BGS/UKHSA atlas. Most homes are below it; a three-month test is the only way to know.

Are there flood warnings in Shipston-on-Stour now?

No flood warning or alert was in force near Shipston-on-Stour at 14 November 2026, 23:24. Live warnings are on GOV.UK’s Check for flooding service and Floodline, 0345 988 1188.

Contains Environment Agency information © Environment Agency and/or database right 2026. Contains British Geological Survey materials © UKRI 2026.

Sources: Environment Agency Risk of Flooding from Rivers and Sea, postcodes in areas at risk (June 2026); Natural Resources Wales Flood Risk Assessment Wales (May 2026); ONS Census 2021 households by postcode · Environment Agency Risk of Flooding from Surface Water (NaFRA2, 2025) and Natural Resources Wales Flood Risk Assessment Wales surface water and small watercourses, read at every address (ONS National Statistics UPRN Lookup, September 2026) and weighted by Census 2021 households by postcode · Environment Agency Recorded Flood Outlines and Natural Resources Wales historic flood map, inside the ONS 2022 built-up-area boundary · Environment Agency Hydrology API (daily maximum river level) and flood-monitoring stage scales · Environment Agency real-time flood-monitoring API · Environment Agency Historic Flood Warnings (January 2006 to June 2026) and flood warning and alert areas · BGS/UKHSA Indicative Atlas of Radon in Great Britain, version 3, by 1 km square · TownRatings grades: our own summary of the data, ranked against UK towns only. All under the Open Government Licence v3.0.

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.