| Year | L. Slade | R. Russell | G. Tyler | V. Kettering |
| 0 | MP | MP | MP | |
| 1 | Spokesman: Foriegn Affairs | Spokesman: Home Affairs | Spokeswoman: Finance | |
| 2 | Spokesman: Foriegn Affairs | Spokesman: Home Affairs | Spokeswoman: Finance | |
| 3 | Minister: Defence | Minister: Health | Spokeswoman: Finance | |
| 4 | Minister: Defence | Minister: Health | Under-secretary: Environment | |
| 5 | Minister: Defence | Minister: Health | Secretary: Environment | |
| 6 | Secretary: Defence | Minister: Health | Secretary: Environment | |
| 7 | Secretary: Defence | President: Board of Trade | Secretary: Environment | |
| 8 | Secretary: Defence | President: Board of Trade | Secretary: Environment | |
| 9 | Chancellor of the Exchq. | President: Board of Trade | Secretary: Environment | |
| 10 | Prime Minister | Lord Privy Seal | Secretary: Environment | |
| 11 | Prime Minister | Lord President: Council | Secretary: Environment | |
| 12 | Prime Minister | Secretary: Education | Prime Minister | |
| 13 | Prime Minister | Secretary: Education | Prime Minister | |
| 14 | Prime Minister | Secretary: Home | Prime Minister | |
| 15 | Prime Minister | Secretary: Home | Prime Minister | |
| 16 | Prime Minister | Secretary: Home | Prime Minister | |
| 17 | Prime Minister | Secretary: Home | Prime Minister | |
| 18 | Prime Minister | Secretary: Home | Prime Minister | |
| 19 | MP | Secretary: Home | Prime Minister | |
| 20 | MP | Prime Minister | ||
| 21 | MP | Prime Minister | ||
| 22 | MP | MP | ||
| 23 | MP | MP | ||
| 24 | Secretary: Home & Foriegn | MP | ||
| 25 | Secretary: Home & Foriegn | (retired) | ||
| 26 | Secretary: Home & Foriegn | (retired) |
