Closest seats at the 1945 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	Worcester	Con	Lab	4	0.01
2	Caithness and Sutherland	Con	Lab	6	0.04
3	Manchester Rusholme	Lab	Con	10	0.03
4	Cheshire Northwich	Con	Lab	15	0.03
5	Cambridgeshire	Lab	Con	44	0.10
6	Norfolk South Western	Lab	Con	53	0.18
7	Glasgow Kelvingrove	Lab	Con	88	0.33
8	Bury	Con	Lab	110	0.31
9	Merionethshire	Lib	Lab	112	0.47
10	Yorkshire (West Riding) Barkston Ash	Con	Lab	116	0.24
11	Leeds North	Con	Lab	128	0.24
12	London University	Nat Ind	Oth	149	0.99
13	Derbyshire Western	Lab	Con	156	0.42
14	Pembrokeshire	Lib	Lab	168	0.37
15	Somersetshire Yeovil	Con	Lab	174	0.39
16	Cumberland Northern	Lib	Con	198	0.83
17	Leicestershire Harborough	Lab	Con	204	0.37
18	Camberwell Dulwich	Lab	Con	211	0.89
19	Suffolk (West) Sudbury	Lab	Con	247	1.00
20	The Hartlepools	Lab	Con	275	0.69
21	Bedfordshire Bedford	Lab	Con	288	0.61
22	Orkney and Shetland	Con	Lib	329	1.88
23	Caernarvon District of Boroughs	Con	Lib	336	0.97
24	Hertfordshire Hitchin	Lab	Con	346	0.71
25	Wembley North	Lab	Con	432	1.20
26	Edinburgh North	Lab	Con	555	1.95
27	Peterborough	Lab	Con	571	1.31
28	Cornwall Camborne	Con	Lab	584	1.77
29	Croydon North	Con	Lab	607	1.07
30	Herefordshire Leominster	Con	Lib	638	2.29
31	Aberdeenshire and Kincardineshire Kincardine and Western	Con	Lib	642	3.03
32	Liverpool Exchange	Lab	Con	665	4.07
33	Hertfordshire Barnet	Lab	Con	682	1.73
34	Cambridge	Lab	Con	682	1.76
35	Ayr District of Burghs	Con	Lab	728	1.64
36	Dunbartonshire	Lab	Con	747	1.33
37	Staffordshire Burton	Lab	Con	760	2.12
38	Lancashire Middleton and Prestwich	Con	Lab	791	1.50
39	Nottingham East	Lab	Con	848	2.82
40	Glasgow Partick	Con	Lab	853	3.18
41	Lancashire Heywood and Radcliffe	Lab	Con	892	2.01
42	Holborn	Con	Lab	925	8.26
43	Wiltshire Westbury	Con	Lab	931	2.53
44	Gloucestershire Stroud	Lab	Con	949	1.72
45	Suffolk (East) Eye	Lib	Con	949	3.07
46	Yorkshire (East Riding) Buckrose	Lib	Con	950	3.07
47	Rhondda East	Lab	Com	972	2.81
48	Essex Epping	Lab	Con	987	2.72
49	Birmingham Moseley	Con	Lab	993	2.30
50	Surrey Carshalton	Con	Lab	1,017	2.28

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