Who won the Great Grimsby constituency election in 2015?

Labour gained Great Grimsby constituency at the 7 May 2015 General Election, taking the seat from Conservative. Labour won with a majority of 4,540 votes (13.5%). Turnout was 57.0%.

What was the swing in Great Grimsby at the 2015 election?

The swing in Great Grimsby was 17.8% from CON to LAB — a modest shift towards LAB. Swing is calculated using the Butler two-party formula: the average of the change in winner's vote share and the fall in the runner-up's vote share compared to the previous election here.

What does swing mean in UK elections?

Swing measures how much support has shifted between two parties compared to a previous election. The Butler swing formula — used in British election reporting since the 1950s — takes the average of the gain in the winner's vote share and the loss in the runner-up's. A 5% swing is considered large at ward level; anything above 10% is exceptional. The swing figure for Great Grimsby in 2015 is shown in the statistics above.

LAB GAIN from CON: Great Grimsby — 2015 General Election Result

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LAB GAIN from CON: Great Grimsby — 2015 General Election Result | WIN326 — VPNews Elections

Labour gained Great Grimsby constituency from Conservative on 7 May 2015. The Labour majority was 4,540 votes (13.5%). Turnout was 57.0%. The swing was 17.8% from CON to LAB.

Previous Results — Great Grimsby Constituency

Election	Winner	Majority	Turnout	Swing
12 December 2019 general	CONGAIN	7,331	53.9%	+14.7%
8 June 2017 general	LABGAIN	2,565	57.5%	+14.7%

Frequently Asked Questions — Great Grimsby Constituency

Who won the Great Grimsby constituency election in 2015?: Labour gained Great Grimsby constituency at the 7 May 2015 General Election, taking the seat from Conservative. Labour won with a majority of 4,540 votes (13.5%). Turnout was 57.0%.
What was the swing in Great Grimsby at the 2015 election?: The swing in Great Grimsby was 17.8% from CON to LAB — a modest shift towards LAB. Swing is calculated using the Butler two-party formula: the average of the change in winner's vote share and the fall in the runner-up's vote share compared to the previous election here.
What does swing mean in UK elections?: Swing measures how much support has shifted between two parties compared to a previous election. The Butler swing formula — used in British election reporting since the 1950s — takes the average of the gain in the winner's vote share and the loss in the runner-up's. A 5% swing is considered large at ward level; anything above 10% is exceptional. The swing figure for Great Grimsby in 2015 is shown in the statistics above.