| Rt Hon Reginald Ernest Prentice | 29 August 1967 | 6 October 1969 |
| Rt Hon Reginald Ernest Prentice | 10 June 1975 | 21 December 1976 |
| Sir Harry Neil Marten | May 1979 | |
| Rt Hon Timothy Hugh Francis Raison | 1983 | 1986 |
| Christopher Francis Patten | 1986 | 1989 |
| Rt Hon Lynda Chalker | 24 July 1989 | 2 May 1997 |