Closest seats at the 1951 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	Preston South	Lab	Con	16	0.04
2	Buckinghamshire Buckingham	Con	Lab	54	0.12
3	Edinburgh Leith	Lab	Nat Lib	72	0.19
4	Ealing North	Lab	Con	120	0.23
5	Nottingham Central	Lab	Con	139	0.34
6	Warwickshire Rugby	Lab	Con	199	0.50
7	Glasgow Govan	Con	Lab	241	0.58
8	Nottingham East	Lab	Con	264	0.60
9	Norfolk North	Lab	Nat Lib	279	0.67
10	Cheshire Stalybridge and Hyde	Lab	Con	298	0.59
11	Reading North	Con	Lab	302	0.88
12	Sunderland South	Lab	Con	306	0.56
13	Lanarkshire Rutherglen	Con	Lab	352	0.91
14	Bolton East	Con	Lab	355	0.66
15	Northamptonshire (and the Soke of Peterborough) Peterborough	Con	Lab	373	0.73
16	Doncaster	Con	Lab	384	0.77
17	Norfolk South West	Con	Lab	442	1.32
18	Rochdale	Con	Lab	454	0.82
19	Southampton Test	Lab	Nat Lib	465	0.89
20	Carmarthenshire Carmarthen	Lib	Lab	467	0.92
21	Nottingham South	Lab	Con	482	1.23
22	Battersea South	Con	Lab	494	1.41
23	Watford	Lab	Con	508	1.09
24	Kent Faversham	Lab	Con	562	1.14
25	Belfast West	Oth	Con	565	0.85
26	Lancashire Chorley	Lab	Con	583	1.19
27	Caernarvonshire Conway	Con	Lab	583	1.48
28	Anglesey	Lab	Lib	595	2.02
29	Glasgow Scotstoun	Con	Lab	625	1.48
30	Camberwell Dulwich	Con	Lab	691	1.24
31	Essex Maldon	Lab	Con	704	1.57
32	Plymouth Sutton	Con	Lab	710	1.24
33	Staffordshire Burton	Con	Lab	733	1.49
34	Dorset North	Con	Lib	747	2.02
35	Liverpool Kirkdale	Lab	Con	758	1.97
36	Halifax	Lab	Con	763	1.27
37	Darlington	Con	Lab	813	1.54
38	Roxburghshire and Selkirkshire	Con	Lib	829	2.05
39	Rochester and Chatham	Lab	Con	847	1.63
40	Suffolk Lowestoft	Lab	Con	847	1.83
41	Bedfordshire South	Nat Lib	Lab	849	1.89
42	York	Con	Lab	921	1.42
43	Norfolk King'S Lynn	Con	Lab	937	2.18
44	Kent Chislehurst	Con	Lab	980	1.57
45	Cornwall Falmouth and Camborne	Lab	Con	1,003	2.23
46	Reading South	Lab	Con	1,009	2.79
47	Norfolk Yarmouth	Con	Lab	1,015	2.34
48	Walthamstow East	Lab	Con	1,020	2.55
49	Glasgow Camlachie	Lab	Con	1,025	2.50
50	Hornchurch	Lab	Con	1,034	1.63

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