| Peter Frank Hannibal Emery | 1974 | February 1974 |
| Dr Gavin Steel Strang | February 1974 | October 1974 |
| Alexander Eadie | March 1974 | May 1979 |
| John Smith | October 1974 | 4 December 1975 |
| Gordon James Oakes | April 1976 | September 1976 |
| Dr John Anderson Cunningham | 10 September 1976 | 4 May 1979 |
| Norman Stewart Hughson Lamont | May 1979 | 14 September 1981 |
| John Edward Michael Moore | May 1979 | June 1983 |
| David John Mellor | 1981 | 1983 |
| John Giles Dunkerley Shaw | 1983 | 1984 |
| David James Fletcher Hunt | 1984 | 1987 |
| Alastair Robertson Goodlad | 11 September 1984 | 13 June 1987 |
| William Michael Hardy Spicer | 1987 | 1990 |
| David Philip Heathcoat-Amory | 1990 | 11 April 1992 |
| Antony Brian Baldry | January 1990 | December 1990 |
| Amber Augusta Rudd | 15 July 2014 | 11 May 2015 |