Notional results for a UK general election on 12 December 2019 South West, England - Elections contested by Labour
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.
Figures presented for Labour include those candidates certified by both the Labour and the Co-operative parties.
| Constituency | Electorate | Turnout | Votes | Vote share | Position |
| Bath | 73,241 | 77.7% | 7,120 | 12.5% | 3rd |
| Bournemouth East | 73,173 | 67.4% | 16,140 | 32.7% | 2nd |
| Bournemouth West | 72,094 | 63.5% | 14,571 | 31.8% | 2nd |
| Bridgwater | 71,418 | 63.0% | 9,334 | 20.7% | 2nd |
| Bristol Central | 70,227 | 73.2% | 30,077 | 58.5% | 1st |
| Bristol East | 75,936 | 72.8% | 32,280 | 58.4% | 1st |
| Bristol North East | 69,793 | 70.1% | 24,598 | 50.3% | 1st |
| Bristol North West | 76,783 | 76.1% | 28,547 | 48.9% | 1st |
| Bristol South | 74,696 | 64.6% | 24,917 | 51.6% | 1st |
| Camborne and Redruth | 73,568 | 70.1% | 17,623 | 34.2% | 2nd |
| Central Devon | 73,491 | 77.2% | 14,066 | 24.8% | 2nd |
| Cheltenham | 75,292 | 75.5% | 2,733 | 4.8% | 3rd |
| Chippenham | 71,648 | 70.5% | 5,896 | 11.7% | 3rd |
| Christchurch | 71,598 | 72.5% | 6,676 | 12.9% | 3rd |
| East Wiltshire | 71,109 | 68.9% | 7,778 | 15.9% | 2nd |
| Exeter | 71,713 | 67.4% | 26,500 | 54.8% | 1st |
| Exmouth and Exeter East | 74,502 | 74.9% | 5,878 | 10.5% | 3rd |
| Filton and Bradley Stoke | 73,598 | 70.0% | 18,421 | 35.8% | 2nd |
| Forest of Dean | 71,510 | 72.0% | 14,811 | 28.8% | 2nd |
| Frome and East Somerset | 70,177 | 68.4% | 10,156 | 21.2% | 3rd |
| Glastonbury and Somerton | 70,015 | 76.0% | 5,095 | 9.6% | 3rd |
| Gloucester | 76,695 | 66.6% | 18,007 | 35.2% | 2nd |
| Honiton and Sidmouth | 74,365 | 76.4% | 8,078 | 14.2% | 2nd |
| Melksham and Devizes | 71,823 | 77.6% | 6,686 | 12.0% | 3rd |
| Mid Dorset and North Poole | 74,305 | 73.9% | 3,982 | 7.3% | 3rd |
| Newton Abbot | 72,956 | 71.8% | 9,287 | 17.7% | 3rd |
| North Cornwall | 75,034 | 72.1% | 5,201 | 9.6% | 3rd |
| North Cotswolds | 70,915 | 71.6% | 8,391 | 16.5% | 3rd |
| North Devon | 76,455 | 72.7% | 5,097 | 9.2% | 3rd |
| North Dorset | 72,109 | 74.1% | 6,379 | 11.9% | 3rd |
| North East Somerset and Hanham | 73,113 | 78.6% | 15,046 | 26.2% | 2nd |
| North Somerset | 73,963 | 76.9% | 14,227 | 25.0% | 2nd |
| Plymouth Moor View | 73,378 | 65.6% | 15,548 | 32.3% | 2nd |
| Plymouth Sutton and Devonport | 73,495 | 67.0% | 23,847 | 48.4% | 1st |
| Poole | 72,162 | 67.6% | 10,087 | 20.7% | 2nd |
| Salisbury | 70,242 | 75.1% | 9,884 | 18.7% | 3rd |
| South Cotswolds | 72,865 | 73.0% | 5,669 | 10.7% | 3rd |
| South Devon | 71,691 | 75.6% | 9,228 | 17.0% | 3rd |
| South Dorset | 76,640 | 68.8% | 13,062 | 24.8% | 2nd |
| South East Cornwall | 71,734 | 72.8% | 10,614 | 20.3% | 2nd |
| South West Devon | 75,371 | 74.4% | 12,012 | 21.4% | 2nd |
| South West Wiltshire | 71,551 | 66.0% | 10,168 | 21.5% | 2nd |
| St Austell and Newquay | 74,585 | 73.9% | 14,678 | 26.6% | 2nd |
| St Ives | 70,107 | 76.9% | 4,893 | 9.1% | 3rd |
| Stroud | 76,249 | 79.6% | 25,266 | 41.6% | 2nd |
| Swindon North | 72,163 | 65.7% | 14,469 | 30.5% | 2nd |
| Swindon South | 72,468 | 68.3% | 19,914 | 40.2% | 2nd |
| Taunton and Wellington | 76,049 | 71.6% | 4,299 | 7.9% | 3rd |
| Tewkesbury | 72,426 | 74.4% | 8,448 | 15.7% | 3rd |
| Thornbury and Yate | 74,935 | 74.8% | 4,899 | 8.7% | 3rd |
| Tiverton and Minehead | 70,829 | 69.8% | 7,070 | 14.3% | 3rd |
| Torbay | 75,742 | 67.3% | 6,620 | 13.0% | 3rd |
| Torridge and Tavistock | 74,802 | 73.1% | 9,761 | 17.9% | 3rd |
| Truro and Falmouth | 73,326 | 75.3% | 21,383 | 38.8% | 2nd |
| Wells and Mendip Hills | 69,843 | 80.8% | 6,076 | 10.8% | 3rd |
| West Dorset | 75,390 | 76.7% | 5,414 | 9.4% | 3rd |
| Weston-super-Mare | 70,722 | 64.9% | 12,900 | 28.1% | 2nd |
| Yeovil | 76,056 | 71.2% | 3,419 | 6.3% | 3rd |
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.