South Suffolk is a constituency represented in the House of Commons of the UK Parliament since 2015 by James Cartlidge, a Conservative.
Constituency profile
South Suffolk is a constituency in Suffolk in the East of England and is coterminous with the Babergh district. Its largest town is Sudbury, which has a population of around 25,000. Other settlements include the town of Hadleigh and the villages of Capel St Mary, Pinewood and Long Melford.
This is a large, rural constituency containing many small villages. Sudbury is a historic market town and was traditionally a busy inland port on the River Stour, which connected it to the coastal ports of Harwich and Felixstowe. Hadleigh contains many listed buildings and grew from rural trades like wool and cloth. Pinewood is a suburban village on the outskirts of Ipswich with many new housing developments. Hadleigh, Capel St Mary and Pinewood are affluent whilst the rest of the constituency, including Sudbury, has average levels of wealth. House prices here are generally similar to the regional and national averages.
South Suffolk has a large retired population and low proportions of young and middle-aged adults. Residents have average rates of income, high levels of homeownership, and the child poverty rate is below-average. They have average levels of education and a high proportion work in the agriculture, retail and manufacturing sectors. White people made up 97% of the population at the 2021 census.
At the local district council, Sudbury and Hadleigh are mostly represented by Green Party councillors whilst the rural areas elected a mixture of Conservatives, Liberal Democrats and independents. At the county council, which held elections more recently (in 2026), some Reform UK representatives were elected in Sudbury and the rural villages. An estimated 54% of voters in South Suffolk supported leaving the European Union in the 2016 referendum, marginally higher than the UK-wide figure of 52%.
History South Suffolk is one of seven constituencies in the county of Suffolk and was created by boundary changes which came into force for the 1983 general election. It was formed primarily from areas to the west of Ipswich and the River Orwell, including the towns of Sudbury and Hadleigh, which had formed the majority of the abolished constituency of Sudbury and Woodbridge. Extended westwards to include Haverhill and surrounding areas, transferred from Bury St Edmunds.
Between 1559 and 1844, the constituency of Sudbury represented the town on the southwestern border with Essex, but this constituency was disenfranchised for corruption in 1844.
In every election, the Conservative candidate has been elected or re-elected; until 2015, said candidate was Tim Yeo, who was deselected prior to the 2015 general election; he was succeeded as Conservative candidate, and subsequently MP, by James Cartlidge.
Boundaries and boundary changes
Historic
1983–1997 The District of Babergh; and The Borough of St Edmundsbury wards of Cangle, Castle, Cavendish, Chalkstone, Clare, Clements, Hundon, Kedington, St Mary's and Helions, Wickhambrook, and Withersfield.
1997–2024 The District of Babergh, and The Borough of St Edmundsbury wards of Cavendish, and Clare.
All but two of the Borough of St Edmundsbury wards, including the town of Haverhill, were transferred to the new constituency of West Suffolk.
Current Further to the 2023 review of Westminster constituencies, which came into effect for the 2024 general election, the composition of the constituency is now coterminous with the District of Babergh.
The small part previously in the former Borough of St Edmundsbury – now part of the District of West Suffolk – was transferred to the constituency of West Suffolk.
Members of Parliament
Sudbury & Woodbridge prior to 1983
ElectionMemberParty 1983 Tim Yeo Conservative 2015 James Cartlidge Conservative
Elections
Elections in the 2020s
Elections in the 2010s
2019 notional result Party Vote % Conservative 31,094 62.1 Labour 9,621 19.2 Liberal Democrats 6,360 12.7 Green 3,031 6.0Turnout50,10670.5Electorate71,070
Elections in the 2000s
Elections in the 1990s
Elections in the 1980s
See also List of parliamentary constituencies in Suffolk List of parliamentary constituencies in the East of England (region)
Notes
References
External links South Suffolk UK Parliament constituency (boundaries April 1997 – April 2010) at MapIt UK South Suffolk UK Parliament constituency (boundaries April 2010 – May 2024) at MapIt UK South Suffolk UK Parliament constituency (boundaries from June 2024) at MapIt UK