South West, 1964 vs 1966: seat-by-seat change
Every constituency in South West compared between the 1964 and 1966 general elections: which seats changed hands and how far each swung.
| Constituency | 1964 | 1966 | Majority | Con–Lab swing |
|---|---|---|---|---|
| Bath | Con | Con | 1.8% | +3.2 |
| Bodmin | Lib | Lib | 5.2% | −0.2 |
| Bridgwater | Con | Con | 6.4% | +3.5 |
| Bristol Central | Lab | Lab | 22.9% | +3.7 |
| Bristol North East | Con | Lab gain | 8.4% | +5.5 |
| Bristol North West | Con | Lab gain | 1.4% | +1.8 |
| Bristol South | Lab | Lab | 34.3% | +3.7 |
| Bristol South East | Lab | Lab | 22.7% | +1.2 |
| Bristol West | Con | Con | 33.0% | +2.5 |
| Cheltenham | Con | Con | 6.9% | +2.8 |
| Chippenham | Con | Con | 1.5% | +0.3 |
| Cirencester and Tewkesbury | Con | Con | 16.3% | +1.5 |
| Devizes | Con | Con | 5.4% | +1.7 |
| Exeter | Con | Lab gain | 7.9% | +5.5 |
| Falmouth and Camborne | Lab | Lab | 7.1% | +0.1 |
| Gloucester | Lab | Lab | 12.2% | +1.3 |
| Honiton | Con | Con | 27.7% | +4.1 |
| North Cornwall | Con | Lib gain | 4.0% | −0.8 |
| North Devon | Lib | Lib | 3.0% | +0.1 |
| North Dorset | Con | Con | 12.9% | +0.9 |
| North Somerset | Con | Con | 3.7% | +1.4 |
| Plymouth Devonport | Con | Con | 0.7% | +3.7 |
| Plymouth Sutton | Con | Lab gain | 9.0% | +4.9 |
| Poole | Con | Con | 10.9% | +2.4 |
| Salisbury | Con | Con | 10.1% | +1.9 |
| South Dorset | Con | Con | 3.8% | −0.9 |
| South Gloucestershire | Con | Con | 2.3% | +2.1 |
| St.Ives | Con | Con | 10.4% | +2.1 |
| Stroud | Con | Con | 3.1% | +1.4 |
| Swindon | Lab | Lab | 24.7% | +1.2 |
| Taunton | Con | Con | 6.7% | +1.8 |
| Tavistock | Con | Con | 18.6% | +0.5 |
| Tiverton | Con | Con | 21.5% | +3.8 |
| Torquay | Con | Con | 20.9% | +4.4 |
| Torrington | Con | Con | 9.6% | −1.1 |
| Totnes | Con | Con | 16.3% | +2.3 |
| Truro | Con | Con | 3.5% | +2.8 |
| Wells | Con | Con | 7.4% | +2.1 |
| West Dorset | Con | Con | 16.0% | +1.8 |
| West Gloucestershire | Lab | Lab | 17.2% | +0.7 |
| Westbury | Con | Con | 5.8% | +2.4 |
| Weston Super Mare | Con | Con | 23.3% | +2.9 |
| Yeovil | Con | Con | 4.0% | +2.6 |
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