By-elections in the 2015-17 Parliament
This page gives details of UK parliamentary by-elections in the 2015-17 Parliament.
Constituency | Reason for by-election | Date of by-election | New Member |
| Manchester Gorton | Death of Sir Gerald Kaufman 26.02.17 | This seat was contested at the General Election on 8 June 2017 | Afzal Khan (Labour hold) |
| Copeland | Resignation of Jamie Reed 23.01.17 | 23 February 2017 | Trudy Harrison (Conservative gain) |
| Stoke-on-Trent Central | Resignation of Tristram Hunt 23.01.17 | 23 February 2017 | Gareth Snell (Labour hold) |
| Sleaford and North Hykeham | Resignation of Stephen Phillips 04.11.16 | 8 December 2016 | Caroline Johnson (Conservative hold) |
| Richmond Park | Resignation of Zac Goldsmith 25.10.16 | 1 December 2016 | Sarah Olney (Liberal Democrat gain) |
| Witney | Resignation of David Cameron 12.09.16 | 20 October 2016 | Robert Courts (Conservative hold) |
| Batley and Spen | Death of Jo Cox 16.06.16 | 20 October 2016 | Tracy Brabin (Labour hold) |
| Tooting | Resignation of Sadiq Khan 09.05.2016 | 16 June 2016 | Rosena Allin-Khan (Labour hold) |
| Ogmore | Resignation of Huw Irranca-Davies 23.03.2016 | 5 May 2016 | Chris Elmore (Labour hold) |
| Sheffield, Brightside and Hillsborough | Death of Harry Harpham 04.02.2016 | 5 May 2016 | Gill Furniss (Labour hold) |
| Oldham West and Royton | Death of Michael Meacher 21.10.2015 | 3 December 2015 | Jim McMahon (Labour hold) |
House of Commons Library analysis
The House of Commons Library produces briefing papers to inform MPs and their staff of key issues. The papers contain factual information and a range of opinions on each subject, and aim to be politically impartial.