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Coordinates: 51°28′08″N 3°07′37″W / 51.469°N 3.127°W / 51.469; -3.127

Cardiff South and Penarth
Borough constituency for the House of Commons
Boundary of Cardiff South and Penarth in Wales.
Preserved county	South Glamorgan
Population	107,455 (2011 census)[1]
Electorate	75,175 (December 2010)[2]
Current constituency
Created	1983
Member of parliament	Stephen Doughty (Labour Co-operative)
Number of members	One
Created from	Cardiff South East & parts of Barry and Monmouth[3]
Overlaps
Welsh Assembly	South Wales Central
European Parliament constituency	Wales

Cardiff South and Penarth (Welsh: De Caerdydd a Phenarth) is a constituency created in 1983 represented in the House of Commons of the UK Parliament.^{[n 1]} It is the largest such entity in Wales, with an electorate of 75,175 and one of the most ethnically diverse.^[4] It has been won by the Labour Party candidate since its creation in 1983.

History

Creation and boundary history

Prior to 1983 Penarth had been part of the abolished Barry constituency, represented by the Conservative backbencher Sir Raymond Gower. Most of the electorate of the new constituency had previously fallen into the abolished seat of Cardiff South East, represented by former Prime Minister, James Callaghan.

Its boundaries remained unchanged until the 2010 redistribution, when Sully was added to this constituency from the Vale of Glamorgan seat.

Political history

Cardiff South and Penarth has had three MPs since its creation, containing some very Labour-inclined wards from Cardiff such as Butetown, Grangetown and Splott, and several wards from the neighbouring borough of the Vale of Glamorgan, with Penarth mostly favourable to Labour, but some decent Conservative areas as Plymouth and Sully in the southern end of the seat. The first, elected at the 1983 general election, was the former Labour Prime Minister James Callaghan, who secured the seat with a 5.5% majority over Conservative David Tredinnick. Callaghan had immediately prior to the dissolution of Parliament, represented Cardiff South East. Callaghan first became an MP at the 1945 general election, for Cardiff South.

The second MP was Alun Michael (Labour and Co-operative Party) who served 25 years from 1987 before choosing to stand down in 2012. Michael's affiliation with the Co-operative Party did not appear on ballot papers at the 2010 general election because the Electoral Commission ruled that any joint candidates who wanted the names of both their parties included on the ballot paper could not also display the Labour red rose logo.^[5] Michael opted to drop the reference to the Co-operative Party but after the election denounced the ruling as "an outrageous piece of incompetence by the Electoral Commission".^[6] Michael briefly became Secretary of State for Wales in 1998. Michael held the seat at the 2010 general election with a majority of 10.6% following a 6% swing to the Conservative candidate.^[7]

In 2012, Michael was selected by the Labour and Co-operative Parties as their candidate for the election of a Police and Crime Commissioner for the South Wales Police force area and announced he would be standing down from Parliament.^[8][9]

At a by-election held on 15 November 2012, Labour's decline was reversed coupled with very low turnout (down 38.2% on the previous election). Labour's Stephen Doughty succeeded Alun Michael winning 47.3% of the overall vote. This was an increase (in share-of-the-vote terms) on Michael's 2010 performance. However, in terms of actual votes cast (9,193 compared with 17,262 in 2010), it was Labour's lowest in this constituency. The 2015 result gave the seat the 83rd-smallest majority of Labour's 232 seats by percentage of majority.^[10] Labour's result in 2017 saw them secure their largest ever margin in the constituency in terms of raw votes.

Other parties

Five parties' candidates achieved more than deposit-retaining threshold of 5% of the vote in 2015. The second-placed candidate has been a Conservative since the seat was incepted. The closest result was in 1983, when Callaghan won by 5.5% of the vote.

Turnout

Turnout at general elections has ranged between 77.2% in 1992 and 56.2% in 2005.

Boundaries

1983–2010: The City of Cardiff wards of Butetown, Grangetown, Llanrumney, Rumney, Splott, and Trowbridge, and the Borough of Vale of Glamorgan wards of Alexandra (became Plymouth and St Augustine's from 2004), Cornerswell, Llandough, and Stanwell.

2010–present: The Cardiff electoral divisions of Butetown, Grangetown, Llanrumney, Rumney, Splott, and Trowbridge, and the Vale of Glamorgan County Borough electoral divisions of Cornerswell, Llandough, Plymouth, St Augustine's, Stanwell, and Sully.

Members of Parliament

Elections

Elections in the 2010s

Elections in the 2000s

Elections in the 1990s

Elections in the 1980s

See also

• Cardiff South and Penarth (Assembly constituency)


• List of Parliamentary constituencies in South Glamorgan


• List of Parliamentary constituencies in Wales

References, notes and sources

References

Notes

Sources

• 
  "Results: Cardiff South & Penarth". BBC NEWS: Election 2005. BBC News. 6 May 2005. Retrieved 25 May 2006.
  


• 
  "News Release – South Glamorgan" (PDF). Boundary Commission for Wales. 10 November 2004. Retrieved 25 May 2006.
  


• 
  "Aristotle: Cardiff South and Penarth". The Guardian. London. 8 May 2004. Archived from the original on 24 March 2007. Retrieved 25 May 2006.
  

External links

• 
  nomis Constituency Profile for Cardiff South and Penarth – presenting data from the ONS annual population survey and other official statistics.


• 
  Politics Resources (Election results from 1922 onwards)


• 
  Electoral Calculus (Election results from 1955 onwards)


• 
  2017 Election House Of Commons Library 2017 Election report


• 
  A Vision Of Britain Through Time (Constituency elector numbers)