| Denis Herbert Howell | March 1974 | May 1979 |
| Hon William Arthur Waldegrave | 1985 | July 1988 |
| Rodney Elton, Baron Elton | 27 March 1985 | 10 September 1986 |
| Thomas Galloway Dunlop du Roy de Blicquy Galbraith, Baron Strathclyde | 1992 | 1993 |
| Timothy Stephen Kenneth Yeo | 11 April 1992 | 5 January 1994 |
| Sir Robert James Atkins | 1994 | 5 July 1995 |
| Robert Brannock Jones | 5 July 1995 | 2 May 1997 |
| Rt Hon Michael Hugh Meacher | 3 May 1997 | 13 July 2003 |
| Elliot Anthony Morley | 13 June 2003 | 5 May 2006 |