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Parliamentary constituency in the United Kingdom, 1974–present
Typical housing in Islington South on Liverpool Road
This densely populated seat covers Barnsbury, part of Highbury, Islington proper, and Clerkenwell and Finsbury adjoining the City. It contains many desirable apartments and townhouses as well as 20th century social housing developments.
The borough constituency has been described as "the natural habitat of the hypocritical, well-off, ostensibly liberal chattering classes" including higher earners, leaders in the public sector, critics, entertainers, writers and former Prime Ministers Tony Blair and Boris Johnson. Despite this reputation for liberal affluence there is also significant deprivation in the constituency and its neighbour Islington North.
1974–1983: The London Borough of Islington wards of Barnsbury, Bunhill, Clerkenwell, Pentonville, St Mary, St Peter, and Thornhill.
1983–2010: As above, save that Pentonville was abolished and Canonbury East, Canonbury West, Hillmarton, Holloway were created or added to the seat.
2010–2024: The London Borough of Islington wards of Barnsbury, Bunhill, Caledonian, Canonbury, Clerkenwell, Holloway, St Mary's and St Peter's.
2024–present: The London Borough of Hackney ward of De Beauvoir, and the London Borough of Islington wards of Barnsbury, Bunhill, Caledonian, Canonbury, Clerkenwell, Holloway, Laycock, St Mary's & St James', and St Peter's & Canalside.
Expanded to bring its electorate within the permitted range by adding the Borough of Hackney ward of De Beauvoir. The area within the Borough of Islington was unchanged, but following a review of local authority ward boundaries which came into effect on 4 May 2022, some of the ward names have been modified.
History
Islington South and Finsbury was created in 1974 from part of the former Islington South West and Shoreditch and Finsbury constituencies. In 1983, its boundaries changed when the Islington Central constituency was abolished and its area split between Islington South and Finsbury and Islington North.
Islington was an early stronghold for the SDP. All three sitting Labour MPs defected to the party together with a majority of the borough council. This was at the time when the Labour Party voted for in Conference leaving the EEC (Common Market) and abolishing nuclear weapons during the Cold War which largely triggered the split. However, in spite of their less radical position than the Labour Party, they won only one seat to Labour's 59 in the 1982 Islington Council elections and at the 1983 general election, Labour managed to narrowly retain the seat. The new MP, Chris Smith was the first MP to come out as gay and was aligned with the Labour left, and retained the seat with a slight increase in his majority in 1987. By 1992, the post-merged SDP, the Liberal Democrats, had faded locally, and no longer had the former MP as a candidate, and Smith managed to win a majority exceeding 10,000 votes.
The Liberal Democrat revival in local elections in Islington, which saw them take control of the council in 2000, began to cross over to Parliamentary elections in 2001. In 2002, the Liberal Democrats won every council seat in Islington South and Finsbury, and Smith's subsequent retirement and the resultant loss of incumbency made the constituency vulnerable once again in 2005. However Smith's successor, Emily Thornberry, retained the seat with a narrow majority of 484 votes over the Liberal Democrat challenger, Barnsbury councillor Bridget Fox. — the seat therefore became one of the ten most marginal in Britain. However, in the local council elections a year later, Labour made an almost full recovery locally and won a majority of the seats in Islington South and Finsbury, defeating both Bridget Fox and the-then council leader Steve Hitchins. At the 2010 general election, Thornberry increased her majority over Fox. In 2014 the Liberal Democrats lost all their remaining seats on the council. The 2015 general election result made the seat the 93rd safest of Labour's 232 seats by percentage of majority.
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Location within Greater London