South West, 1966 vs 1970: seat-by-seat change
Every constituency in South West compared between the 1966 and 1970 general elections: which seats changed hands and how far each swung.
| Constituency | 1966 | 1970 | Majority | Con–Lab swing |
|---|---|---|---|---|
| Bath | Con | Con | 12.8% | −5.5 |
| Bodmin | Lib | Con gain | 9.4% | −3.0 |
| Bridgwater | Con | Con | 16.6% | −5.1 |
| Bristol Central | Lab | Lab | 13.5% | −4.7 |
| Bristol North East | Lab | Con gain | 1.0% | −4.7 |
| Bristol North West | Lab | Con gain | 2.1% | −1.7 |
| Bristol South | Lab | Lab | 23.6% | −5.3 |
| Bristol South East | Lab | Lab | 10.8% | −6.0 |
| Bristol West | Con | Con | 35.7% | −1.4 |
| Cheltenham | Con | Con | 18.9% | −6.0 |
| Chippenham | Con | Con | 21.5% | −5.1 |
| Cirencester and Tewkesbury | Con | Con | 26.1% | −4.9 |
| Devizes | Con | Con | 14.6% | −4.6 |
| Exeter | Lab | Con gain | 2.6% | −5.2 |
| Falmouth and Camborne | Lab | Con gain | 3.2% | −5.2 |
| Gloucester | Lab | Con gain | 2.3% | −7.2 |
| Honiton | Con | Con | 39.0% | −5.9 |
| North Cornwall | Lib | Lib | 1.5% | −2.6 |
| North Devon | Lib | Lib | 0.9% | −3.1 |
| North Dorset | Con | Con | 33.3% | −4.4 |
| North Somerset | Con | Con | 16.2% | −6.2 |
| Plymouth Devonport | Con | Con | 3.2% | −1.3 |
| Plymouth Sutton | Lab | Lab | 1.3% | −3.9 |
| Poole | Con | Con | 23.0% | −6.1 |
| Salisbury | Con | Con | 20.6% | −5.2 |
| South Dorset | Con | Con | 13.0% | −4.6 |
| South Gloucestershire | Con | Con | 13.1% | −5.4 |
| St.Ives | Con | Con | 23.8% | −6.7 |
| Stroud | Con | Con | 15.0% | −5.9 |
| Swindon | Lab | Lab | 12.0% | −6.3 |
| Taunton | Con | Con | 17.1% | −5.2 |
| Tavistock | Con | Con | 34.2% | −4.2 |
| Tiverton | Con | Con | 31.0% | −4.7 |
| Torquay | Con | Con | 29.5% | −4.3 |
| Torrington | Con | Con | 25.0% | −2.7 |
| Totnes | Con | Con | 26.3% | −5.0 |
| Truro | Con | Con | 16.3% | −6.4 |
| Wells | Con | Con | 17.3% | −5.0 |
| West Dorset | Con | Con | 27.1% | −5.5 |
| West Gloucestershire | Lab | Lab | 2.3% | −7.5 |
| Westbury | Con | Con | 17.3% | −5.7 |
| Weston Super Mare | Con | Con | 33.1% | −4.9 |
| Yeovil | Con | Con | 12.7% | −4.4 |
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