‹ 2015 Flag of the United Kingdom 2022
United Kingdom general election, 2017
All 650 seats in the House of Commons
326 seats needed for a majority
8 June 2017
Turnout 72.4% 11px-Increase2.svg 6.3%
First party Second party Third party
Leader James Harrison Theresa May Jeremy Corbyn
Party Liberty Party Conservative Party Labour Party
Leader since 22 November 2009 11 July 2016 12 November 2015
Leader's seat Burton Maidenhead Islington North
Last election 511 54 44
Seats after 524 49 40
Seat change 11px-Increase2.svg 13 11px-Decrease2.svg 5 11px-Decrease2.svg 4
Prime Minister before election
James Harrison
Subsequent Prime Minister
James Harrison

The 2017 United Kingdom general election took place on Thursday 8 June, having been announced just under two months earlier by Prime Minister James Harrison on 18 April 2017 after it was discussed at cabinet. Each of the 650 constituencies elected one Member of Parliament (MP) to the House of Commons. The governing Conservative Party remained the single largest party in the House of Commons, adding a further 13 seats to the 511 they already had.

Under the Fixed-term Parliaments Act 2011 a general election had not been due until May 2020, but a call by Prime Minister James Harrison for a snap election was ratified by the necessary two-thirds supermajority in a 522–13 vote in the House of Commons on 19 April 2017. Harrison said that he hoped to secure a larger majority in order to "strengthen [his] hand" in the forthcoming Brexit negotiations.

Date of the electionEdit


18 AprilPrime Minister James Harrison announced her intention to hold a snap election
19 AprilMPs voted to dissolve Parliament
22 AprilStart of pre-election period
25 AprilRoyal Proclamation under section 2(7) of the Fixed-term Parliaments Act, 2011 issued by HM The Queen on the advice of the Prime Minister
27 AprilSecond session of Parliament prorogued
3 MayFormal dissolution of Parliament (in order for the election to take place on 8 June) and official start of 'short' campaigning
3 MayRoyal Proclamation was issued summoning a new UK Parliament
4 MayLocal elections (these were already scheduled, and were not part of the general election)
11 MayDeadline (4pm) for the delivery of candidate nomination papers
11 MayDeadline (5pm) for the publication of Statements of Persons Nominated (or 4 pm on 12 May if objections were received)
11 MayEarliest date returning officers could issue poll cards and postal ballot packs
22 MayLast day the public was able to register to vote (unless an anonymous elector)
23 MayDeadline (5pm) to apply for a postal vote/postal proxy vote
31 MayDeadline (5pm) to apply for a proxy vote, and last day to register to vote as an anonymous elector
8 JunePolling day (polling stations opened at 7 am and closed at 10 pm, or once voters present in a queue at or outside the polling station at 10 pm had cast their vote). Counting of votes started no later than 2 am on 9 June.
13 JuneParliament re-assembled
21 JuneState Opening of Parliament (initially planned for 19 June)