| Rt Hon Michael Antony Christobal Noble | October 1970 | November 1972 |
| Cecil Edward Parkinson | May 1979 | 14 September 1981 |
| Peter Wynford Innes Rees | 14 September 1981 | 11 June 1983 |
| Rt Hon Henry Paul Guinness Channon | 1983 | 25 January 1986 |
| Sir Richard Francis Needham, Earl of Kilmorey | 11 April 1992 | 5 July 1995 |
| Rt Hon Elizabeth Conway Symons, Baroness Symons of Vernham Dean | 11 June 2001 | 13 June 2003 |
| Rt Hon Margaret Eve Hodge | 5 May 2006 |