Results for a UK general election on 12 December 2019 England - Elections contested by Social Democratic Party
A general election to the 58th Parliament of the United Kingdom with an electorate of 47,562,702, having 32,014,110 valid votes and 117,919 invalid votes.
Read the House of Commons Library briefing.
| Constituency | Candidate | Electorate | Turnout | Votes | Vote share | Vote change | Position |
| Basildon and Billericay | BREEDON, Simon | 69,906 | 63.1% | 224 | 0.5% | - | 5th |
| Cambridge | ROBINS, Jane | 79,951 | 67.2% | 91 | 0.2% | - | 7th |
| Epping Forest | NEWHAM, Jon | 74,304 | 67.7% | 170 | 0.3% | - | 6th |
| Folkestone and Hythe | MENNISS, Colin | 88,272 | 66.8% | 190 | 0.3% | - | 6th |
| Havant | BLACK, Alan | 72,103 | 63.7% | 344 | 0.7% | - | 5th |
| Jarrow | CONWAY, Mark | 65,103 | 62.6% | 212 | 0.5% | - | 8th |
| Keighley | ROSE, Matthew | 72,778 | 72.3% | 132 | 0.3% | - | 6th |
| Leeds Central | CLOUSTON, William | 90,971 | 54.2% | 281 | 0.6% | - | 6th |
| Leeds West | WHETSTONE, Daniel | 67,727 | 59.5% | 46 | 0.1% | - | 7th |
| Thirsk and Malton | TAYLOR, Michael | 80,991 | 69.9% | 127 | 0.2% | - | 8th |
| Tooting | HUBLEY, Roz | 76,954 | 76.0% | 77 | 0.1% | - | 6th |
| Tottenham | BENCE, Andrew | 75,740 | 61.9% | 91 | 0.2% | - | 6th |
| Warrington South | HICKSON, Kevin | 86,015 | 72.0% | 168 | 0.3% | - | 5th |
| Warwick and Leamington | BENNETT, Xander | 76,362 | 71.0% | 67 | 0.1% | - | 7th |
| Watford | MCGETRICK, Michael | 83,359 | 69.7% | 333 | 0.6% | - | 4th |
| Wentworth and Dearne | BETTNEY, David | 74,536 | 55.8% | 313 | 0.8% | - | 6th |
| York Central | DUNN, Andrew | 74,899 | 66.1% | 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.