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