Biggest majorities at the 1970 general election

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

#	Constituency	Winner	Runner-up	Majority	%
1	Abertillery	Lab	Con	19,341	68.96
2	Hemsworth	Lab	Con	30,479	61.52
3	Poplar	Lab	Con	12,484	60.73
4	Rhondda West	Lab	PC	15,251	60.72
5	Dearne Valley	Lab	Con	27,118	59.94
6	Easington	Lab	Con	24,961	59.61
7	Bedwellty	Lab	Con	22,279	59.16
8	Ebbw Vale	Lab	Lib	17,446	57.89
9	Stepney	Lab	Con	14,071	55.43
10	West Ham South	Lab	Con	13,477	55.41
11	Bolsover	Lab	Con	20,459	55.00
12	Neath	Lab	Con	21,613	54.39
13	Bermondsey	Lab	Con	9,736	53.85
14	Sheffield Park	Lab	Con	16,278	52.57
15	Kensington South	Con	Lab	14,663	51.41
16	Down North	Con	Lab	41,433	51.32
17	Pontefract	Lab	Con	21,087	49.66
18	Liverpool Scotland	Lab	Con	7,334	49.51
19	Newcastle-upon-Tyne Central	Lab	Con	9,415	48.63
20	Swansea East	Lab	Con	19,992	48.61
21	Glasgow Gorbals	Lab	Con	7,189	48.59
22	Blyth	Lab	Con	23,568	48.43
23	Pontypool	Lab	Con	18,533	47.82
24	Worthing	Con	Lab	24,062	47.76
25	Houghton-le-Spring	Lab	Con	20,974	46.81
26	Ogmore	Lab	Con	23,021	46.34
27	Sheffield Brightside	Lab	Con	15,369	46.32
28	Rye	Con	Lab	23,269	46.28
29	Glasgow Central	Lab	Con	5,542	46.11
30	Llanelli	Lab	PC	23,011	46.02
31	Liverpool Exchange	Lab	Con	8,357	45.40
32	Barnsley	Lab	Con	24,145	44.75
33	Aberavon	Lab	Con	20,895	44.70
34	Glasgow Springburn	Lab	Con	10,394	44.63
35	Rhondda East	Lab	PC	12,671	44.38
36	Dagenham	Lab	Con	19,359	43.71
37	Rother Valley	Lab	Con	26,904	43.58
38	Chester-le-Street	Lab	Con	20,331	43.21
39	Kingston-upon-Hull East	Lab	Con	22,123	42.88
40	Glasgow Maryhill	Lab	Con	12,287	42.61
41	South Fylde	Con	Lab	26,105	42.09
42	Middlesbrough East	Lab	Con	13,958	42.04
43	Chichester	Con	Lab	25,546	41.95
44	Solihull	Con	Lab	24,575	41.84
45	Consett	Lab	Con	17,071	41.74
46	Chelsea	Con	Lab	10,115	41.73
47	East Surrey	Con	Lib	24,024	41.63
48	Pontypridd	Lab	Con	20,209	41.63
49	East Grinstead	Con	Lib	26,016	41.48
50	Glasgow Bridgeton	Lab	Con	7,255	41.25

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