Leader | Term of office | Other ministerial offices held as Leader of the House of Lords | Political party | Prime Minister |
---|
| | Charles Spencer The Earl of Sunderland [2] | April 1717 | March 1718 | – Secretary of State for the Northern Department | | No such office |
| | James Stanhope The Earl Stanhope [2] Viscount Stanhope until April 1718 | March 1718 | 5 February 1721 | – Secretary of State for the Northern Department | | No such office |
| | Charles Townshend The Viscount Townshend [2] | February 1721 | May 1730 | – Secretary of State for the Northern Department | Whig | | Robert Walpole |
| | William Stanhope The Earl of Harrington [2] Lord Harrington until 1742 | May 1730 | February 1742 | – Secretary of State for the Northern Department | |
| | John Carteret The Earl Granville Lord Carteret until 1744 | 12 February 1742 | 24 November 1744 | – Secretary of State for the Northern Department | Whig | | Earl of Wilmington (until July 1743) |
| Henry Pelham (from 27 August 1743) |
| | William Stanhope The Earl of Harrington [2] | November 1744 | October 1746 | – Secretary of State for the Northern Department | |
| | Philip Dormer Stanhope The Earl of Chesterfield [2] | October 1746 | February 1748 | – Secretary of State for the Northern Department | Whig |
| | Thomas Pelham-Holles The Duke of Newcastle | February 1748 | 16 November 1756 | – Secretary of State for the Northern Department until March 1754– Prime Minister from March 1754 | Whig |
| Himself |
| | William Cavendish The Duke of Devonshire | 16 November 1756 | 25 June 1757 | – Prime Minister | Whig | | Himself |
| | Thomas Pelham-Holles The Duke of Newcastle | 2 July 1757 | 26 May 1762 | – Prime Minister | Whig | | Himself |
| | Charles Wyndham The Earl of Egremont [2] | May 1762 | 21 August 1763 | – Secretary of State for the Southern Department | | | Earl of Bute (until April 1763) |
| George Grenville (from 16 April 1763) |
| | George Montagu Dunk The Earl of Halifax [2] | August 1763 | July 1765 | – Secretary of State for the Southern Department | |
| | Charles Watson-Wentworth The Marquess of Rockingham | 13 July 1765 | 30 July 1766 | – Prime Minister | Whig (Rockingham) | | Himself |
| | Augustus FitzRoy The Duke of Grafton | 1766 | 28 January 1770 | – First Lord of the Treasury – Prime Minister from October 1768 | Whig (Chathamite) | | Earl of Chatham (William Pitt the Elder) (until October 1768) |
| Himself (from 14 October 1768) |
| | Thomas Thynne The Viscount Weymouth [2] | January 1770 | December 1770 | – Secretary of State for the Southern Department | | | Lord North |
| | William Nassau de Zuylestein The Earl of Rochford [2] | December 1770 | November 1775 | – Secretary of State for the Southern Department | |
| | Henry Howard The Earl of Suffolk [2] | November 1775 | 6 March 1779 | – Secretary of State for the Northern Department | |
| | Thomas Thynne The Viscount Weymouth [2] | March 1779 | November 1779 | – Secretary of State until October 1779 - Secretary of State for the Southern Department from October 1779 | |
| | David Murray The Viscount Stormont [2] | November 1779 | March 1782 | – Secretary of State for the Northern Department | |
| | William Petty The Earl of Shelburne | March 1782 | April 1783 | – Secretary of State for the Home Department until July 1782 – Prime Minister from July 1782 | Whig (Rockingham) | | Marquess of Rockingham (until 1 July 1782) |
Himself (from 4 July 1782) |
| | William Cavendish-Bentinck The Duke of Portland | 2 April 1783 | December 1783 | – Prime Minister | Whig (Foxite) | | Himself (figurehead) |
| | George Nugent-Temple-Grenville The Earl Temple [3] | December 1783 | December 1783 | – Home Secretary – Foreign Secretary | – | | William Pitt the Younger |
| | Thomas Townshend The Lord Sydney [3] | December 1783 | June 1789 | – Home Secretary | Whig |
| | Francis Osborne The Duke of Leeds [3] | 1789 | 1790 | – Secretary of State for Foreign Affairs | Tory |
| | William Grenville The Lord Grenville [3] | November 1790 | February 1801 | – Secretary of State for the Home Department until June 1791 – Secretary of State for Foreign Affairs from June 1791 | Tory |
| | Robert Hobart The Lord Hobart [4] | March 1801 | October 1801 | – Secretary of State for War and the Colonies | Tory | | Henry Addington |
| | Thomas Pelham The Lord Pelham [3] | October 1801 | August 1803 | – Secretary of State for the Home Department | Tory |
| | Robert Jenkinson The Lord Hawkesbury [3] | November 1803 | February 1806 | – Secretary of State for Foreign Affairs until May 1804 – Secretary of State for the Home Department from May 1804 | Tory |
| William Pitt the Younger |
| | William Grenville The Lord Grenville [3] | 11 February 1806 | March 1807 | – Prime Minister | Whig | | Himself (Ministry of All the Talents) |
| | Robert Jenkinson The Earl of Liverpool [3] Baron Hawkesburyuntil 1808 Earl of Liverpool from 1808 | 25 March 1807 | April 1827 | – Secretary of State for the Home Department until November 1809 – Secretary of State for War and the Colonies November 1809 – June 1812 – Prime Minister from June 1812 | Tory | | 3rd Duke of Portland |
| Spencer Perceval |
| Himself |
| | F. J. Robinson The Viscount Goderich [3] | 30 April 1827 | January 1828 | Secretary of State for War and the Colonies until September 1827 – Prime Minister from August 1827 | Tory | | George Canning |
| Himself |
| | Arthur Wellesley The Duke of Wellington [3] | January 1828 | November 1830 | – Prime Minister | Tory | | Himself |
| | Charles Grey The Earl Grey | 22 November 1830 | 9 July 1834 | – Prime Minister | Whig | | Himself |
| | William Lamb The Viscount Melbourne | 16 July 1834 | 14 November 1834 | – Prime Minister | Whig | | Himself |
| | Arthur Wellesley The Duke of Wellington | 17 November 1834 | 8 April 1835 | – Prime Minister until December 1834 – Secretary of State for the Home Department until December 1834 – Secretary of State for War and the Colonies until December 1834 – Secretary of State for Foreign Affairs | Tory | | Himself (Caretaker) |
| Robert Peel |
| | William Lamb The Viscount Melbourne | 18 April 1835 | 30 August 1841 | – Prime Minister | Whig | | Himself |
| | Arthur Wellesley The Duke of Wellington | 3 September 1841 | 27 June 1846 | – Minister without portfolio | Conservative | | Robert Peel |
| | Henry Petty-Fitzmaurice The Marquess of Lansdowne | 6 July 1846 | 21 February 1852 | – Lord President of the Council | Whig | | Lord John Russell |
| | Edward Smith-Stanley The Earl of Derby | 23 February 1852 | 17 December 1852 | – Prime Minister | Conservative | | Himself |
| | George Hamilton-Gordon The Earl of Aberdeen | 19 December 1852 | 30 January 1855 | – Prime Minister | Peelite | | Himself (Coalition) |
| | Granville Leveson-Gower The Earl Granville | 8 February 1855 | 21 February 1858 | – Lord President of the Council | Whig | | Viscount Palmerston |
| | Edward Smith-Stanley The Earl of Derby | 21 February 1858 | 11 June 1859 | – Prime Minister | Conservative | | Himself |
| | Granville Leveson-Gower The Earl Granville | 18 June 1859 | 29 October 1865 | – Lord President of the Council | Liberal | | Viscount Palmerston |
| | John Russell The Earl Russell | 29 October 1865 | 26 June 1866 | – Prime Minister | Liberal | | Himself |
| | Edward Smith-Stanley The Earl of Derby | 28 June 1866 | 25 February 1868 | – Prime Minister | Conservative | | Himself |
| | James Harris The Earl of Malmesbury | 27 February 1868 | 1 December 1868 | – Lord Keeper of the Privy Seal | Conservative | | Benjamin Disraeli |
| | Granville Leveson-Gower The Earl Granville | 9 December 1868 | 17 February 1874 | – Secretary of State for the Colonies until July 1870 – Secretary of State for Foreign Affairs from July 1870 | Liberal | | William Ewart Gladstone |
| | Charles Gordon-Lennox The Duke of Richmond | 21 February 1874 | 21 August 1876 | – Lord President of the Council | Conservative | | Benjamin Disraeli |
| | Benjamin Disraeli The Earl of Beaconsfield | 21 August 1876 | 21 April 1880 | – Prime Minister – Lord Keeper of the Privy Seal from August 1876 until February 1878 | Conservative |
| | Granville Leveson-Gower The Earl Granville | 28 April 1880 | 9 June 1885 | – Secretary of State for Foreign Affairs | Liberal | | William Ewart Gladstone |
| | Robert Gascoyne-Cecil The Marquess of Salisbury | 23 June 1885 | 28 January 1886 | – Prime Minister – Secretary of State for Foreign Affairs | Conservative | | Himself |
| | Granville Leveson-Gower The Earl Granville | 6 February 1886 | 20 July 1886 | – Secretary of State for the Colonies | Liberal | | William Ewart Gladstone |
| | Robert Gascoyne-Cecil The Marquess of Salisbury | 25 July 1886 | 11 August 1892 | – Prime Minister – Secretary of State for Foreign Affairs from January 1887 | Conservative | | Himself |
| | John Wodehouse The Earl of Kimberley | 18 August 1892 | 5 March 1894 | – Lord President of the Council | Liberal | | William Ewart Gladstone |
| | Archibald Primrose The Earl of Rosebery | 5 March 1894 | 21 June 1895 | – Prime Minister | Liberal | | Himself |
| | Robert Gascoyne-Cecil The Marquess of Salisbury | 25 June 1895 | 11 July 1902 | – Prime Minister – Secretary of State for Foreign Affairs until November 1900 – Lord Keeper of the Privy Seal from 12 November 1900 | Conservative | | Himself |
| | Spencer Cavendish The Duke of Devonshire | 12 July 1902 | 13 October 1903 | – Lord President of the Council | Liberal Unionist | | Arthur Balfour (Conservative) |
| | Henry Petty-Fitzmaurice The Marquess of Lansdowne | 13 October 1903 | 4 December 1905 | – Secretary of State for Foreign Affairs | Liberal Unionist |
| | George Robinson The Marquess of Ripon | 10 December 1905 | 14 April 1908 | – Lord Keeper of the Privy Seal | Liberal | | Henry Campbell-Bannerman |
| | Robert Crewe-Milnes The Marquess of Crewe Earl of Creweuntil 1911 Marquess of Crewe from 1911 | 14 April 1908 | 10 December 1916 | – Secretary of State for the Colonies May 1908– November 1910 – Lord Keeper of the Privy Seal October 1908 – October 1911; February 1912 – May 1915 – Secretary of State for India November 1910 – March 1911; May 1911 – May 1915 – Lord President of the Council from May 1915 – President of the Board of Education from August 1916 | Liberal | | H. H. Asquith |
| | George Curzon The Marquess Curzon of Kedleston Earl Curzon of Kedlestonuntil 1921 Marquess Curzon of Kedleston from 1921 | 10 December 1916 | 22 January 1924 | – Lord President of the Council until October 1919 – Secretary of State for Foreign Affairs from October 1919 | Conservative | | David Lloyd George (Liberal) |
| Bonar Law |
| Stanley Baldwin |
| | Richard Haldane The Viscount Haldane | 22 January 1924 | 3 November 1924 | – Lord High Chancellor of Great Britain | Labour | | Ramsay MacDonald |
| | George Curzon The Marquess Curzon of Kedleston | 3 November 1924 | 20 March 1925 | – Lord President of the Council | Conservative | | Stanley Baldwin |
| | James Gascoyne-Cecil The Marquess of Salisbury | 27 April 1925 | 4 June 1929 | – Lord Keeper of the Privy Seal | Conservative |
| | Charles Cripps The Lord Parmoor | 7 June 1929 | 24 August 1931 | – Lord President of the Council | Labour | | Ramsay MacDonald |
| | Rufus Isaacs The Marquess of Reading | 24 August 1931 | 5 November 1931 | – Secretary of State for Foreign Affairs | Liberal | | Ramsay MacDonald |
| | Douglas Hogg The Viscount Hailsham | 5 November 1931 | 7 June 1935 | – Secretary of State for War | Conservative |
| | Charles Vane-Tempest-Stewart The Marquess of Londonderry | 7 June 1935 | 22 November 1935 | – Lord Keeper of the Privy Seal | Conservative | | Stanley Baldwin |
| | Edward Wood The Viscount Halifax | 22 November 1935 | 21 February 1938 | – Lord Keeper of the Privy Seal until May 1937 – Lord President of the Council from 28 May 1937 | Conservative |
| Neville Chamberlain |
| | James Stanhope The Earl Stanhope | 21 February 1938 | 14 May 1940 | – President of the Board of Education until October 1938 – First Lord of the Admiralty October 1938 to September 1939 – Lord President of the Council September 1939 to May 1940 | Conservative |
| | Thomas Inskip The Viscount Caldecote | 14 May 1940 | 3 October 1940 | – Secretary of State for Dominion Affairs | Conservative | | Winston Churchill |
| | Edward Wood The Viscount Halifax | 3 October 1940 | 22 December 1940 | – Secretary of State for Foreign Affairs | Conservative |
| | George Lloyd The Lord Lloyd | 22 December 1940 | 4 February 1941 | – Secretary of State for the Colonies | Conservative |
| | Walter Guinness The Lord Moyne | 8 February 1941 | 21 February 1942 | – Secretary of State for the Colonies | Conservative |
| | Robert Gascoyne-Cecil Viscount Cranborne | 21 February 1942 | 26 July 1945 | – Secretary of State for the Colonies to November 1942 – Lord Keeper of the Privy Seal November 1942 to September 1943 – Secretary of State for Dominion Affairs September 1943 to 1945 | Conservative |
| | Christopher Addison The Viscount Addison | 3 August 1945 | 26 October 1951 | – Secretary of State for Dominion Affairs until July 1947 – Secretary of State for Commonwealth Relations July 1947 – October 1947 – Lord Keeper of the Privy Seal October 1947 – March 1951 – Paymaster General July 1948– April 1949 – Lord President of the Council from March 1951 | Labour | | Clement Attlee |
| | Robert Gascoyne-Cecil The Marquess of Salisbury | 28 October 1951 | 29 March 1957 | – Lord Keeper of the Privy Seal until May 1952 – Secretary of State for Commonwealth Relations March 1952– November 1952 – Lord President of the Council from November 1952 | Conservative | | Winston Churchill |
| Anthony Eden |
| | Alec Douglas-Home The Earl of Home | 29 March 1957 | 27 July 1960 | – Secretary of State for Commonwealth Relations – Lord President of the Council until September 1957; from October 1959 | Conservative | | Harold Macmillan |
| | Quintin Hogg The Viscount Hailsham | 27 July 1960 | 20 October 1963 | – Lord President of the Council – Minister for Science | Conservative |
| | Peter Carington The Lord Carrington [5] | 20 October 1963 | 16 October 1964 | – Minister without portfolio | Conservative | | Alec Douglas-Home |
| | Frank Pakenham The Earl of Longford [5] | 18 October 1964 | 16 January 1968 | – Lord Keeper of the Privy Seal until December 1965; from April 1966 – Secretary of State for the Colonies December 1965 – April 1966 | Labour | | Harold Wilson |
| | Edward Shackleton The Lord Shackleton [5] | 16 January 1968 | 19 June 1970 | – Lord Keeper of the Privy Seal until April 1968; from October 1968 – Paymaster General April 1968 – November 1968 | Labour |
| | George Jellicoe The Earl Jellicoe [5] | 20 June 1970 | 23 May 1973 | – Lord Keeper of the Privy Seal | Conservative | | Edward Heath |
| | David Hennessy The Lord Windlesham [5] | 5 June 1973 | 4 March 1974 | – Lord Keeper of the Privy Seal | Conservative |
| | Malcolm Shepherd The Lord Shepherd [5] | 7 March 1974 | 10 September 1976 | – Lord Keeper of the Privy Seal | Labour | | Harold Wilson |
| James Callaghan |
| | Fred Peart The Lord Peart [5] | 10 September 1976 | 4 May 1979 | – Lord Keeper of the Privy Seal | Labour |
| | Christopher Soames The Lord Soames [5] | 5 May 1979 | 14 September 1981 | – Lord President of the Council | Conservative | | Margaret Thatcher |
| | Janet Young The Baroness Young [5] | 14 September 1981 | 11 June 1983 | – Chancellor of the Duchy of Lancaster until April 1982 – Lord Keeper of the Privy Seal from April 1982 | Conservative |
| | William Whitelaw The Viscount Whitelaw [5] | 11 June 1983 | 10 January 1988 | – Lord President of the Council | Conservative |
| | John Ganzoni The Lord Belstead [5] | 10 January 1988 | 28 November 1990 | – Lord Keeper of the Privy Seal | Conservative |
| | David Waddington The Lord Waddington [5] | 28 November 1990 | 11 April 1992 | – Lord Keeper of the Privy Seal | Conservative | | John Major |
| | John Wakeham The Lord Wakeham [5] | 11 April 1992 | 20 July 1994 | – Lord Keeper of the Privy Seal | Conservative |
| | Robert Gascoyne-Cecil Viscount Cranborne [5] | 20 July 1994 | 2 May 1997 | – Lord Keeper of the Privy Seal | Conservative |
| | Ivor Richard The Lord Richard [5] | 2 May 1997 | 27 July 1998 | – Lord Keeper of the Privy Seal | Labour | | Tony Blair |
| | Margaret Jay The Baroness Jay of Paddington [5] | 27 July 1998 | 8 June 2001 | – Lord Keeper of the Privy Seal – Minister for Women | Labour |
| | Gareth Williams The Lord Williams of Mostyn [5] | 8 June 2001 | 20 September 2003 | – Lord Keeper of the Privy Seal until June 2003 – Lord President of the Council from June 2003 | Labour | |
| | Valerie Amos The Baroness Amos [5] | 6 October 2003 | 27 June 2007 | – Lord President of the Council | Labour |
| | Catherine Ashton The Baroness Ashton of Upholland [5] | 28 June 2007 | 2 October 2008 | – Lord President of the Council | Labour | | Gordon Brown |
| | Janet Royall The Baroness Royall of Blaisdon [5] | 2 October 2008 | 11 May 2010 | – Lord President of the Council until June 2009 – Chancellor of the Duchy of Lancaster from June 2009 | Labour |
| | Thomas Galbraith The Lord Strathclyde [5] | 12 May 2010 | 7 January 2013 | – Chancellor of the Duchy of Lancaster | Conservative | | David Cameron |
| | Jonathan Hill The Lord Hill of Oareford [5] | 7 January 2013 | 15 July 2014 | – Chancellor of the Duchy of Lancaster | Conservative |
| | Tina Stowell The Baroness Stowell of Beeston [5] | 15 July 2014 | 14 July 2016 | – Lord Keeper of the Privy Seal | Conservative |
| | Natalie Evans The Baroness Evans of Bowes Park [5] | 14 July 2016 | 6 September 2022 | Conservative | | Theresa May |
| Boris Johnson |
| | Nicholas True The Lord True [6] | 6 September 2022 | 5 July 2024 | Conservative | | Liz Truss |
| Rishi Sunak |
| | Angela Smith The Baroness Smith of Basildon | 5 July 2024 | Incumbent | Labour | | Keir Starmer |