UK Polling History: Election of 31 March 1966 – Heston and Isleworth
Result summary
| Parties | |||
| Conservative | Labour | Liberal | |
| Votes | 18,222 | 17,296 | 5,559 |
| Votes gained | -959 | +1,645 | -850 |
| Share of votes | 44.4% | 42.1% | 13.5% |
| Share of eligible voters | 35.5% | 33.6% | 10.8% |
| Gain in share of votes | -2.1% | +4.2% | -2.0% |
| Gain in share of eligible voters | -0.9% | +4.0% | -1.3% |
| Total votes: | 41,077 | |
| Electorate: | 51,400 | |
| Turnout: | 79.9% | |
| Outcome: | Conservative hold | |
| Swing: | 3.2% | Labour from Conservative |
Polling history
List of contests
| Date | Type | Parties | |||
| Conservative | Labour | Liberal | Other | ||
| Date | Type | Parties | |||
| Conservative | Labour | Liberal | Other | ||
| 18 June 1970 | General Election | 21,580 | 16,981 | ||
| 31 March 1966 | General Election | 18,222 | 17,296 | 5,559 | |
| 15 October 1964 | General Election | 19,181 | 15,651 | 6,409 | |
| 8 October 1959 | General Election | 24,486 | 15,636 | 4,867 | |
| 26 May 1955 | General Election | 25,705 | 19,193 | ||
| 25 October 1951 | General Election | 35,468 | 29,944 | ||
| 23 February 1950 | General Election | 33,292 | 29,013 | 4,183 | |
| 5 July 1945 | General Election | 22,623 | 29,192 | 1,919 | |