East Midlands, 1964 vs 1966: seat-by-seat change
Every constituency in East Midlands compared between the 1964 and 1966 general elections: which seats changed hands and how far each swung.
| Constituency | 1964 | 1966 | Majority | Con–Lab swing |
|---|---|---|---|---|
| Ashfield | Lab | Lab | 47.3% | +0.8 |
| Bassetlaw | Lab | Lab | 23.3% | +2.6 |
| Belper | Lab | Lab | 6.6% | −1.6 |
| Bolsover | Lab | Lab | 64.1% | +2.7 |
| Bosworth | Lab | Lab | 14.2% | +1.9 |
| Carlton | Con | Con | 6.4% | +2.1 |
| Chesterfield | Lab | Lab | 35.3% | +3.8 |
| Derby North | Lab | Lab | 23.7% | +2.7 |
| Derby South | Lab | Lab | 25.7% | +5.1 |
| Gainsborough | Con | Con | 9.7% | +4.0 |
| Grantham | Con | Con | 4.2% | +3.9 |
| Harborough | Con | Con | 9.9% | +4.4 |
| High Peak | Con | Lab gain | 2.0% | +2.6 |
| Holland With Boston | Con | Con | 0.6% | +5.1 |
| Horncastle | Con | Con | 16.6% | +3.9 |
| Ilkeston | Lab | Lab | 40.2% | +2.0 |
| Kettering | Lab | Lab | 17.1% | +3.3 |
| Leicester North East | Lab | Lab | 19.8% | +5.0 |
| Leicester North West | Lab | Lab | 21.8% | +5.1 |
| Leicestersouth East | Con | Con | 19.8% | +4.7 |
| Leicestersouth West | Lab | Lab | 17.3% | +2.7 |
| Lincoln | Lab | Lab | 16.6% | +2.6 |
| Loughborough | Lab | Lab | 13.2% | +1.8 |
| Louth | Con | Con | 9.5% | +3.4 |
| Mansfield | Lab | Lab | 42.0% | +0.2 |
| Melton | Con | Con | 11.9% | +4.5 |
| Newark | Lab | Lab | 13.4% | +2.4 |
| North East Derbyshire | Lab | Lab | 33.9% | +2.8 |
| Northampton | Lab | Lab | 13.5% | +2.9 |
| Nottingham Central | Lab | Lab | 17.7% | +6.2 |
| Nottingham North | Lab | Lab | 23.6% | +3.1 |
| Nottingham South | Con | Lab gain | 0.7% | +2.8 |
| Nottingham West | Lab | Lab | 15.9% | +5.3 |
| Peterborough | Con | Con | 0.0% | +2.5 |
| Rushcliffe | Con | Lab gain | 0.7% | +3.0 |
| Rutland and Stamford | Con | Con | 6.8% | +2.1 |
| South East Derbyshire | Lab | Lab | 9.3% | +3.9 |
| South Northamptonshire | Con | Con | 5.7% | +1.4 |
| Wellingborough | Lab | Lab | 4.7% | +2.3 |
| West Derbyshire | Con | Con | 12.4% | +3.2 |
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