Notional results for a UK general election on 12 December 2019 England - Elections contested by Social Democratic Party

Elections contested Elections won

A notional general election to the 58th Parliament of the United Kingdom with an electorate of 47,558,398, having 32,014,119 valid votes.

Constituency Electorate Turnout Votes Vote share Position
Basildon and Billericay 76,993 60.9% 224 0.5% 6th
Cambridge 72,560 68.6% 91 0.2% 7th
Epping Forest 74,553 67.4% 170 0.3% 6th
Folkestone and Hythe 70,023 64.0% 190 0.4% 6th
Havant 72,766 63.2% 344 0.7% 5th
Jarrow and Gateshead East 71,106 57.0% 212 0.5% 8th
Keighley and Ilkley 72,954 72.1% 132 0.3% 6th
Leeds South 74,726 57.9% 281 0.6% 6th
Leeds West and Pudsey 70,270 68.3% 46 0.1% 7th
Rawmarsh and Conisbrough 70,272 57.7% 313 0.8% 6th
Thirsk and Malton 76,623 68.1% 127 0.2% 8th
Tooting 76,986 76.0% 77 0.1% 6th
Tottenham 75,968 60.2% 91 0.2% 6th
Warrington South 76,639 70.6% 168 0.3% 5th
Warwick and Leamington 75,440 69.2% 67 0.1% 7th
Watford 70,576 68.4% 333 0.7% 4th
York Central 74,854 66.9% 134 0.3% 7th

Turnout as calculated by the House of Commons Library, is the total number of votes cast and not spoiled, divided by the size of the electorate.

Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.

Estimates of the 2019 general election result in new constituencies

BBC News, ITV News, Sky News and the Press Association have together produced estimates of the 2019 general election result as if the new constituencies recommended by the separate Parliamentary Boundary Commissions for England, Scotland, Wales and Northern Ireland had then been in existence.

Rallings & Thrasher, Professor David Denver (Scotland), Nicholas Whyte (NI) for Sky News, PA, BBC News and ITV News.

An explanation of the methods used and the electoral impact of the changes can be found in the linked document.