Who won the Delyn constituency election in 2017?

Labour gained Delyn constituency at the 8 June 2017 General Election, taking the seat from Conservative. Labour won with a majority of 4,240 votes (10.8%). Turnout was 72.9%.

What was the swing in Delyn at the 2017 election?

The swing in Delyn was 6.5% from CON to LAB — a significant 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 Delyn in 2017 is shown in the statistics above.

LAB GAIN from CON: Delyn — 2017 General Election Result

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LAB GAIN from CON: Delyn — 2017 General Election Result | WIN326 — VPNews Elections

Labour gained Delyn constituency from Conservative on 8 June 2017. The Labour majority was 4,240 votes (10.8%). Turnout was 72.9%. The swing was 6.5% from CON to LAB.

Previous Results — Delyn Constituency

Election	Winner	Majority	Turnout	Swing
12 December 2019 general	CONGAIN	865	70.3%	+6.5%
7 May 2015 general	LABGAIN	2,930	69.8%	+5.0%
6 May 2010 general	LABGAIN

Frequently Asked Questions — Delyn Constituency

Who won the Delyn constituency election in 2017?: Labour gained Delyn constituency at the 8 June 2017 General Election, taking the seat from Conservative. Labour won with a majority of 4,240 votes (10.8%). Turnout was 72.9%.
What was the swing in Delyn at the 2017 election?: The swing in Delyn was 6.5% from CON to LAB — a significant 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 Delyn in 2017 is shown in the statistics above.