Closest seats at the 2017 general election

The smallest winning majorities in UK general elections since 1918, in votes and as a share of the vote.

#	Constituency	Winner	Runner-up	Majority	%
1	North East Fife	SNP Stephen Gethins	LD	2	0.00
2	Kensington	Lab Emma Dent Coad	Con	20	0.05
3	Perth and North Perthshire	SNP Pete Wishart	Con	21	0.04
4	Dudley North	Lab Ian Austin	Con	22	0.06
5	Newcastle-under-Lyme	Lab Paul Farrelly	Con	30	0.07
6	Southampton, Itchen	Con Royston Smith	Lab	31	0.07
7	Richmond Park	Con Zac Goldsmith	LD	45	0.07
8	Crewe and Nantwich	Lab Laura Smith	Con	48	0.09
9	Glasgow South West	SNP Chris Stephens	Lab	60	0.17
10	Glasgow East	SNP David Linden	Lab	75	0.21
11	Arfon	PC Hywel Williams	Lab	92	0.33
12	Ceredigion	PC Ben Lake	LD	104	0.26
13	Stirling	Con Stephen Kerr	SNP	148	0.30
14	Foyle	SF Elisha McCallion	SDLP	169	0.37
15	Canterbury	Lab Rosie Duffield	Con	187	0.33
16	Airdrie and Shotts	SNP Neil Gray	Lab	195	0.51
17	Barrow and Furness	Lab John Woodcock	Con	209	0.44
18	Keighley	Lab John Grogan	Con	239	0.46
19	Glasgow North East	Lab Paul Sweeney	SNP	242	0.76
20	Kirkcaldy and Cowdenbeath	Lab Lesley Laird	SNP	259	0.56
21	Rutherglen and Hamilton West	Lab Gerard Killen	SNP	265	0.52
22	Lanark and Hamilton East	SNP Angela Crawley	Con	266	0.53
23	St Ives	Con Derek Thomas	LD	312	0.61
24	Preseli Pembrokeshire	Con Stephen Crabb	Lab	314	0.74
25	Motherwell and Wishaw	SNP Marion Fellows	Lab	318	0.76
26	Pudsey	Con Stuart Andrew	Lab	331	0.61
27	Thurrock	Con Jackie Doyle-Price	Lab	345	0.69
28	Hastings and Rye	Con Amber Rudd	Lab	346	0.63
29	Chipping Barnet	Con Theresa Villiers	Lab	353	0.64
30	Inverclyde	SNP Ronnie Cowan	Lab	384	0.98
31	Ashfield	Lab Gloria De Piero	Con	441	0.88
32	Bishop Auckland	Lab Helen Goodman	Con	502	1.16
33	Norwich North	Con Chloe Smith	Lab	507	1.10
34	Peterborough	Lab Fiona Onasanya	Con	607	1.27
35	Calder Valley	Con Craig Whittaker	Lab	609	1.05
36	Aberconwy	Con Guto Bebb	Lab	635	1.98
37	Stoke-on-Trent South	Con Jack Brereton	Lab	663	1.59
38	Stroud	Lab David Drew	Con	687	1.08
39	Telford	Con Lucy Allan	Lab	720	1.61
40	Westmorland and Lonsdale	LD Tim Farron	Con	777	1.50
41	Bedford	Lab Mohammad Yasin	Con	789	1.63
42	Northampton North	Con Michael Ellis	Lab	807	2.00
43	Oxford West and Abingdon	LD Layla Moran	Con	816	1.36
44	Ipswich	Lab Sandy Martin	Con	831	1.63
45	Dunfermline and West Fife	SNP Douglas Chapman	Lab	844	1.65
46	Broxtowe	Con Anna Soubry	Lab	863	1.55
47	Fermanagh and South Tyrone	SF Michelle Gildernew	UUP	875	1.64
48	Midlothian	Lab Danielle Rowley	SNP	885	1.95
49	Stockton South	Lab Paul Williams	Con	888	1.65
50	Colne Valley	Lab Thelma Walker	Con	915	1.51

Single-member seats with a recorded contest. Percentages are of valid votes.

Official results House of Commons Library and UK Parliament election results data. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. How we use this data