London, February 1974 vs October 1974: seat-by-seat change
Every constituency in London compared between the February 1974 and October 1974 general elections: which seats changed hands and how far each swung.
| Constituency | February 1974 | October 1974 | Majority | Con–Lab swing |
|---|---|---|---|---|
| Acton | Con | Con | 2.1% | +0.7 |
| Barking | Lab | Lab | 48.3% | +3.5 |
| Battersea North | Lab | Lab | 40.4% | +3.6 |
| Battersea South | Lab | Lab | 9.5% | +2.3 |
| Beckenham | Con | Con | 20.9% | +2.3 |
| Bermondsey | Lab | Lab | 59.6% | +4.0 |
| Brent East | Lab | Lab | 23.5% | +2.8 |
| Brent North | Con | Con | 14.1% | −0.2 |
| Brent South | Lab | Lab | 29.5% | +2.5 |
| Brentford and Isleworth | Con | Con | 0.4% | +0.4 |
| Carshalton | Con | Con | 7.5% | +1.5 |
| Chelsea | Con | Con | 40.8% | +0.9 |
| Chingford | Con | Con | 11.1% | +0.6 |
| Chipping Barnet | Con | Con | 18.9% | +1.3 |
| Chislehurst | Con | Con | 9.5% | +1.4 |
| Croydon Central | Con | Con | 0.3% | +1.1 |
| Croydon North East | Con | Con | 5.2% | +1.6 |
| Croydon North West | Con | Con | 3.9% | +1.7 |
| Croydon South | Con | Con | 31.9% | +1.6 |
| Dagenham | Lab | Lab | 48.3% | +0.3 |
| Deptford | Lab | Lab | 36.3% | +4.3 |
| Ealing North | Lab | Lab | 5.4% | +0.6 |
| Edmonton | Lab | Lab | 16.6% | +2.1 |
| Enfield North | Lab | Lab | 10.0% | +1.8 |
| Erith and Crayford | Lab | Lab | 19.1% | +2.4 |
| Feltham and Heston | Lab | Lab | 17.1% | +1.9 |
| Finchley | Con | Con | 10.4% | +2.0 |
| Fulham | Lab | Lab | 12.9% | +2.5 |
| Greenwich | Lab | Lab | 28.7% | +3.1 |
| Hackney Central | Lab | Lab | 50.2% | +4.6 |
| Hackney South and Shoreditch | Lab | Lab | 49.1% | +5.3 |
| Hammersmith North | Lab | Lab | 24.0% | +2.8 |
| Hampstead | Con | Con | 4.3% | +0.4 |
| Harrow Central | Con | Con | 6.3% | +0.9 |
| Harrow East | Con | Con | 9.4% | +0.9 |
| Harrow West | Con | Con | 27.5% | +0.8 |
| Hayes and Harlington | Lab | Lab | 24.2% | +0.2 |
| Hendon North | Con | Con | 4.8% | +0.8 |
| Hendon South | Con | Con | 13.7% | +1.5 |
| Hornchurch | Lab | Lab | 15.5% | +1.3 |
| Hornsey | Con | Con | 2.0% | +1.5 |
| Ilford North | Con | Lab gain | 1.6% | +1.1 |
| Ilford South | Lab | Lab | 4.5% | +0.9 |
| Islington Central | Lab | Lab | 37.4% | +3.8 |
| Islington North | Lab | Lab | 30.4% | +2.4 |
| Islington South and Finsbury | Lab | Lab | 40.5% | +4.8 |
| Kensington | Con | Con | 5.6% | +3.6 |
| Kingston upon Thames | Con | Con | 19.8% | +2.4 |
| Lambeth Central | Lab | Lab | 33.9% | +4.7 |
| Lewisham East | Lab | Lab | 18.7% | +3.5 |
| Lewisham West | Lab | Lab | 12.6% | +3.9 |
| Leyton | Lab | Lab | 28.6% | +3.6 |
| Mitcham and Morden | Lab | Lab | 13.3% | +3.5 |
| Newham North East | Lab | Lab | 34.7% | +2.4 |
| Newham North West | Lab | Lab | 48.5% | +4.3 |
| Newham South | Lab | Lab | 57.6% | +2.1 |
| Orpington | Con | Con | 9.7% | +1.9 |
| Paddington | Lab | Lab | 6.4% | +2.1 |
| Ravensbourne | Con | Con | 23.7% | +1.5 |
| Romford | Con | Con | 6.7% | +0.2 |
| Ruislip Northwood | Con | Con | 25.5% | +0.1 |
| Sidcup | Con | Con | 20.1% | +1.6 |
| Southall | Lab | Lab | 22.2% | +2.6 |
| Southgate | Con | Con | 31.1% | +0.4 |
| St.Marylebone | Con | Con | 26.1% | +2.1 |
| St.Pancras North | Lab | Lab | 31.2% | +3.4 |
| Stepney and Poplar | Lab | Lab | 67.4% | +1.0 |
| Surbiton | Con | Con | 17.9% | +0.8 |
| Sutton and Cheam | Con | Con | 11.1% | +0.3 |
| Tooting | Lab | Lab | 23.0% | +3.7 |
| Tottenham | Lab | Lab | 34.5% | +2.6 |
| Twickenham | Con | Con | 17.7% | +1.0 |
| Upminster | Con | Con | 1.4% | +0.2 |
| Uxbridge | Con | Con | 4.8% | +0.1 |
| Walthamstow | Lab | Lab | 30.8% | +4.2 |
| Wanstead and Woodfod | Con | Con | 27.2% | +0.6 |
| Wimbledon | Con | Con | 17.9% | +2.2 |
| Wood Green | Lab | Lab | 25.4% | +2.3 |
| Woolwich East | Lab | Lab | 37.8% | +3.0 |
| Woolwich West | Lab | Lab | 8.5% | +1.6 |
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