Survey
First ministers and leaders of the House of Commons
| Date |
Administration |
First lord of the Treasury | Leader of the House of Commons |
| Dec. 1783 | Pitt | Hon. William Pitt | Hon. William Pitt |
| Mar. 1801 | Addington | Henry Addington | Henry Addington |
| May 1804 | Pitt | Hon. William Pitt | Hon. William Pitt |
| Feb. 1806 | Grenville-Fox coalition | Lord Grenville | Hon. Charles James Fox (d. Sept. 1806), Viscount Howick |
| Mar. 1807 | Portland | Duke of Portland | Hon. Spencer Perceval |
| Sept. 1809 | Perceval | Hon. Spencer Perceval | Hon. Spencer Perceval |
| May/June 1812 | Liverpool | Earl of Liverpool | Viscount Castlereagh |
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