Social Democratic Party election results

Last updated

This article lists the Social Democratic Party (UK)'s election results in UK parliamentary elections.

Contents

Summary of general election performance

YearNumber of CandidatesTotal votesAverage votes per candidate % UK voteChange (percentage points)Saved depositsNumber of MPs
1983 3113,521,62411.64%New6
1987 3063,168,2019.74%-1.9%5

By-elections, 1981-1983

ElectionCandidateVotes%Position1979ResultBy-election
LABLIBCONOTHLABSDPCONOTH
1981 Warrington by-election Roy Jenkins 12,52142.40261.69.128.89.6LAB hold48.442.47.12.1
1981 Crosby by-election Shirley Williams 28,11849.0125.415.257.02.4SDP gain from CON9.549.139.81.6
1982 Glasgow Hillhead by-election Roy Jenkins 10,10633.40134.414.441.010.1SDP gain from CON25.933.426.614.1
1982 Mitcham and Morden by-election Bruce Douglas-Mann [1] 9,03229.40245.28.943.92.0CON gain from LAB24.429.443.42.8
1982 Gower by-election Gwynoro Jones 9,87525.10253.29.130.67.2LAB hold43.525.122.19.3
1982 Peckham by-election Dick Taverne 7,41832.91259.97.728.1LAB hold50.332.912.44.4
1983 Darlington by-election Anthony Cook 12,73524.5345.610.243.40.9LAB hold39.524.534.91.1

1983 general election

ConstituencyCandidateVotes%Posn1979Result compared to 19791983
LABLIBCONOTHLABSDPCONLIBOTH
Aberdeen North Colin Stirling Deans 10,11824.72LAB hold
Aberdeen South I.D. Philip 10,37226.23CON hold, but SDP and LAB together outpolled them
Aldridge-Brownhills P.G. Gunn 11,59924.43CON hold
Alyn and Deeside Eric Cyril Hammersley Owen 9,53521.63LAB win (new seat)
Angus East Pauline Mary Hammond 4,97811.43CON win (new seat)
Ashford J Hawkes 13,31927.782CON hold
Ashton-under-Lyne John Adler 7,52117.83LAB hold
Aylesbury Michael Alexander Soole 15,31029.42CON hold
Banbury Keith Fitchett13,20026.862CON hold
Banff and Buchan Edward Allport Needham 6,08415.03CON win (new seat)
Barnsley West and Penistone J. Evans 9,62421.73LAB hold
Barrow and Furness D. Cottier 11,07921.73SDP split left-wing vote allowing CON gain from LAB
Basildon Sue Slipman 11,63425.73CON hold, but SDP and LAB together outpolled them
Basingstoke Ednyfed Hudson Davies

(defecting Labour MP from Caerphilly)

15,93128.82CON hold
Bassetlaw B. Withnall 8,12416.73LAB hold
Bath Malcolm Dean 17,240362CON hold, but SDP and LAB together outpolled them
Batley and Spen Stephen Woollery 11,67821.63CON win (new seat), but SDP+LAB outpolled them
Battersea M. Harris 7,67517.53LAB win (new seat)
South West Bedfordshire Richard Byfield 16,03627.82
East Berkshire Kevin Patrick O'Sullivan 17,86829.92
Birmingham Edgbaston Joseph Christopher Binns 8,16722.42
Birmingham Erdington Christopher Bernard Barber 7,91521.13
Birmingham Selly Oak Kevin William Wheldall 10,61320.73
Birmingham Small Heath A.M. Bostock 5,722163
Birmingham Sparkbrook Omkar Singh Parmar 3,41610.43
Birmingham Yardley David Anthony Bennett 8,10923.13
Blackburn Eric Fairbrother 8,17414.43
Blackpool South Alex G. Cox 9,417243
Blaydon M. Carr 12,60726.33
Blyth Valley Rosemary Margaret Brownlow 13,34031.82
Bolsover S. Reddish 7,88616.83
Bradford West Edward Lyons (defecting Labour MP)53.88.136.71.4LAB hold (that is, reverted to 1979 status quo)39.727.132.90.3
Caithness and Sutherland Robert Maclennan (defecting Labour MP)41.530.528.0SDP gain from LAB (held 1981 gain)14.352.022.711.0
Cardiff West Jeffrey Thomas (defecting Labour MP

from Abertillery)

85.614.5SDP split left-wing vote allowing CON gain from LAB33.625.538.03.0
Clwyd South West Tom Ellis

(defecting Labour MP from Wrexham)

CON win in new seat; SDP+LAB together outpolled them27.430.233.88.6
Crosby Shirley Williams (sitting SDP MP)25.415.257.02.4CON hold (that is, reverted to 1979 status quo)10.242.047.20.6
Dewsbury David Ginsburg (defecting Labour MP)46.715.537.8SDP split left-wing vote allowing CON gain from LAB35.325.339.4
Erith and Crayford James Wellbeloved (defecting Labour MP)47.39.541.51.8SDP split left-wing vote allowing CON gain from LAB27.334.937.10.7
Glasgow Hillhead Roy Jenkins (sitting SDP MP)34.414.441.010.1SDP gain from CON (held 1982 by-election gain)33.436.223.56.9
Hackney South and Shoreditch Ronald Brown (defecting Labour MP)54.19.228.28.4LAB hold (that is, reverted to 1979 status quo)43.318.323.39.75.4
Hayes and Harlington Neville Sandelson (defecting Labour MP)48.39.340.52.0SDP split left-wing vote allowing CON gain from LAB30.029.040.30.8
Islington North John Grant (defecting Labour MP

from abolished Islington Central)

52.68.933.64.9LAB hold (that is, reverted to 1979 status quo)40.422.425.312.0
Islington South and Finsbury George Cunningham (defecting Labour MP)52.08.234.15.7LAB hold (that is, reverted to 1979 status quo)36.335.326.71.7
Leicester East Tom Bradley (defecting Labour MP)46.99.141.32.7SDP split left-wing vote allowing CON gain from LAB37.021.138.92.9
Leyton Bryan Magee (defecting Labour MP)51.48.337.42.9LAB hold (that is, reverted to 1979 status quo)43.524.931.6
Liverpool Broadgreen Richard Crawshaw (defecting Labour MP

from abolished Liverpool Toxteth)

LAB win in new seat40.911.232.615.3
Liverpool West Derby Eric Ogden 55.59.335.3LAB hold (that is, reverted to 1979 status quo)54.518.027.5
Newcastle Central John Horam (defecting Labour MP

from abolished Gateshead West)

67.313.419.3SDP split left-wing vote allowing CON gain from LAB35.822.340.81.1
Newcastle upon Tyne East Mike Thomas (defecting Labour MP)55.18.536.5LAB hold (that is, reverted to 1979 status quo)45.526.727.8
North West Norfolk Christopher Brocklebank-Fowler

(defecting Conservative MP)

39.09.951.0CON hold, but SDP and LAB together outpolled them18.937.643.5
Plymouth Devonport David Owen (defecting Labour MP)47.46.844.61.3SDP gain from LAB (held 1981 gain)21.044.333.80.9
Renfrew West and Inverclyde

(replaced West Renfrewshire)

Dickson Mabon (defecting Labour MP

from abolished Greenock & Port Glasgow)

44.511.431.013.1SDP split left-wing vote allowing CON gain from LAB29.029.532.78.8
Ross, Cromarty and Skye

(replaced Ross and Cromarty)

Charles Kennedy 20.113.942.423.6SDP gain from CON14.038.533.713.9
Southampton Itchen Bob Mitchell (defecting Labour MP)46.310.143.6SDP split left-wing vote allowing CON gain from LAB27.131.541.5
Stockport Thomas McNally (defecting Labour MP

from abolished Stockport South)

SDP split left-wing vote allowing CON win in new seat29.027.642.11.2
Stockton North

(replaced Stockton-on-Tees)

William Rodgers (defecting Labour MP)53.19.236.21.5LAB hold (that is, reverted to 1979 status quo)37.129.633.3
Stockton South

(replaced Thornaby)

Ian Wrigglesworth (defecting Labour MP)51.19.239.10.5SDP gain from LAB (held 1981 gain)26.336.836.60.4
Woolwich

(replaced Woolwich East)

John Cartwright (defecting Labour MP)58.98.130.52.4SDP gain from LAB (held 1981 gain)33.440.525.11.0
Worsley John Roper (defecting Labour MP

from Farnworth)

LAB win in new seat40.327.132.6

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References

  1. (Incumbent Labour MP)