Closest seats at the October 1974 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	Dunbartonshire East	SNP	Con	22	0.04
2	Galloway	SNP	Con	30	0.10
3	Plymouth Drake	Con	Lab	34	0.08
4	Kinross and West Perthshire	Con	SNP	53	0.20
5	Berwick upon Tweed	Lib	Con	73	0.21
6	Blyth	Lab	Oth	78	0.14
7	Beeston	Con	Lab	121	0.20
8	Northampton South	Con	Lab	141	0.42
9	Croydon Central	Con	Lab	164	0.34
10	Rossendale	Lab	Con	203	0.50
11	Brentford and Isleworth	Con	Lab	232	0.44
12	Bosworth	Con	Lab	302	0.44
13	Birmingham Selly Oak	Lab	Con	326	0.77
14	Lichfield and Tamworth	Lab	Con	331	0.47
15	Aberdeen South	Con	Lab	365	0.70
16	Stirlingshire West	Lab	SNP	367	0.86
17	Moray and Nairn	SNP	Con	367	1.19
18	Gloucestershire West	Lab	Con	409	0.76
19	Bury and Radcliffe	Lab	Con	442	0.70
20	Truro	Lib	Con	464	0.82
21	Reading North	Con	Lab	468	1.00
22	Newcastle-upon-Tyne North	Con	Lab	469	1.79
23	Hemel Hempstead	Lab	Con	485	0.71
24	Welwyn and Hatfield	Lab	Con	520	0.95
25	Southampton Test	Lab	Con	530	0.98
26	Leominster	Con	Lib	579	1.68
27	Skipton	Con	Lib	590	1.37
28	Bristol North West	Lab	Con	633	1.20
29	Sowerby	Lab	Con	646	1.67
30	Ross and Cromarty	Con	SNP	663	3.24
31	Bodmin	Con	Lib	665	1.46
32	Nelson and Colne	Lab	Con	669	1.71
33	Upminster	Con	Lab	694	1.41
34	Lanark	Lab	SNP	698	1.75
35	Pembroke	Con	Lab	772	1.35
36	Ilford North	Lab	Con	778	1.60
37	Hornsey	Con	Lab	782	1.96
38	Perth and East Perthshire	SNP	Con	793	1.86
39	Acton	Con	Lab	808	2.07
40	Halesowen and Stourbridge	Con	Lab	850	1.36
41	Bolton West	Lab	Con	906	2.31
42	Lincoln	Lab	Oth	984	2.48
43	South East Derbyshie	Con	Lab	1,005	2.33
44	Newbury	Con	Lib	1,022	1.85
45	Oxford	Lab	Con	1,036	1.89
46	Braintree	Con	Lab	1,090	2.09
47	Hereford	Con	Lib	1,112	2.54
48	Leicester South	Lab	Con	1,133	2.27
49	Inverness	Lib	SNP	1,134	2.80
50	Stretford	Con	Lab	1,237	2.35

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