Biggest majorities at the 1951 general election

The safest wins: constituencies won by the largest share of the vote in each general election.

#	Constituency	Winner	Runner-up	Majority	%
1	Monmouthshire Abertillery	Lab	Con	24,917	73.88
2	Rhondda East	Lab	Con	24,436	70.98
3	West Ham South	Lab	Con	30,609	69.91
4	Rhondda West	Lab	Con	22,488	69.78
5	Monmouthshire Bedwellty	Lab	Con	25,243	66.57
6	Yorkshire (West Riding) Hemsworth	Lab	Con	37,491	65.41
7	Poplar	Lab	Con	24,502	64.05
8	Aberdare	Lab	Con	27,973	63.17
9	Bermondsey	Lab	Con	21,002	63.05
10	Down North	Con	Lab	33,371	62.73
11	Durham Easington	Lab	Con	28,874	61.53
12	Monmouthshire Ebbw Vale	Lab	Con	21,529	61.45
13	Stepney	Lab	Con	28,263	60.30
14	Derbyshire Bolsolver	Lab	Con	25,189	59.78
15	Yorkshire (West Riding) Dearne Valley	Lab	Con	29,585	59.19
16	Merthyr Tydfil	Lab	Con	21,436	59.14
17	Kensington South	Con	Lab	25,698	59.09
18	Glamorganshire Ogmore	Lab	Con	27,518	57.13
19	Glamorganshire Caerphilly	Lab	Con	21,482	54.30
20	Durham Chester Le Street	Lab	Con	24,879	53.92
21	Glamorganshire Neath	Lab	Con	24,129	53.78
22	Barnsley	Lab	Nat Lib	28,227	52.45
23	Perthshire and Kinross Shire Kinross and West Perthshire	Con	Lab	13,501	52.43
24	Pontefract	Lab	Nat Lib	24,237	52.32
25	Dagenham	Lab	Con	30,796	52.18
26	Glamorganshire Gower	Lab	Nat Lib	22,310	51.87
27	Carmarthenshire Llanelli	Lab	Con	28,416	51.84
28	Belfast South	Con	Lab	25,231	51.64
29	Durham Houghton Le Spring	Lab	Con	25,676	51.60
30	Monmouthshire Pontypool	Lab	Con	20,089	51.49
31	Yorkshire (West Riding) Rother Valley	Lab	Con	28,520	51.42
32	Derbyshire Ilkeston	Lab	Con	30,398	50.39
33	Worthing	Con	Lab	21,324	49.27
34	Bethnal Green	Lab	Lib	15,595	49.08
35	Hove	Con	Lab	24,296	48.43
36	Yorkshire (West Riding) Don Valley	Lab	Con	25,825	48.23
37	Lancashire South Fylde	Con	Lab	22,868	47.96
38	Blyth	Lab	Con	25,639	47.47
39	Swansea East	Lab	Con	21,022	47.18
40	Yorkshire (West Riding) Normanton	Lab	Nat Lib	19,853	46.99
41	Sheffield Neepsend	Lab	Nat Lib	18,225	46.10
42	Surrey East	Con	Lab	23,910	45.96
43	Nottinghamshire Broxtowe	Lab	Con	22,043	45.36
44	Edinburgh South	Con	Lab	16,515	45.15
45	Shoreditch and Finsbury	Lab	Con	18,763	45.15
46	Battersea North	Lab	Con	16,077	45.05
47	Lancashire Ince	Lab	Con	19,843	44.64
48	Southwark	Lab	Con	22,554	44.56
49	Glamorganshire Pontypridd	Lab	Con	20,075	44.52
50	Yorkshire (North Riding) Thirsk and Malton	Con	Lab	17,162	44.52

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