LeaderConstituency Term of office Other ministerial offices held as leader Party Ministry Robert Walpole MP for King's Lynn 4 April 1721 6 February 1742 Whig Walpole–Townshend Walpole Samuel Sandys MP for Worcester 12 February 1742 27 August 1743 Carteret Henry Pelham MP for Sussex 27 August 1743 6 March 1754 Broad Bottom(I & II) Thomas Robinson MP for Christchurch 23 March 1754 October 1755 Newcastle I Henry Fox MP for Windsor 14 November 1755 13 November 1756 William Pitt 'the Elder'MP for Okehampton 4 December 1756 6 April 1757 Pitt–Devonshire Vacant April 1757 June 1757 1757 Caretaker William Pitt 'the Elder'MP for Bath 27 June 1757 6 October 1761 Whig Pitt–Newcastle George Grenville MP for Buckingham October 1761 May 1762 Henry Fox MP for Dunwich May 1762 April 1763 Bute (Tory –Whig ) George Grenville MP for Buckingham 16 April 1763 13 July 1765 Grenville Henry Seymour Conway MP for Thetford July 1765 20 October 1768 Rockingham I Chatham (Whig –Tory ) Frederick NorthLord North MP for Banbury October 1768 22 March 1782 Tory Grafton (Whig –Tory ) North Charles James Fox MP for Westminster 27 March 1782 July 1782 Whig Rockingham II Thomas Townshend MP for Whitchurch 10 July 1782 6 March 1783 Shelburne (Whig –Tory ) Charles James Fox MP for Westminster 2 April 1783 19 December 1783 Fox–North Frederick NorthLord North MP for Banbury Tory William Pitt 'the Younger'MP for Appleby until 1784 MP for Cambridge University from 1784 19 December 1783 14 March 1801 Pitt I Henry Addington MP for Devizes 17 March 1801 10 May 1804 Addington William Pitt 'the Younger'MP for Cambridge University 10 May 1804 23 January 1806† Pitt II Charles James Fox MP for Westminster February 1806 13 September 1806† Whig All the Talents Charles GreyViscount Howick MP for Northumberland September 1806 31 March 1807 Spencer Perceval MP for Northampton April 1807 11 May 1812† Tory Portland II Perceval Robert StewartViscount Castlereagh MP for Down until 1821 MP for Orford from 1821 The Marquess of Londonderry from 1821 June 1812 12 August 1822† Liverpool George Canning MP for Liverpool until 1823 MP for Harwich 1823–1826 MP for Newport 1826–1827 MP for Seaford from 1827 16 September 1822 8 August 1827† Canning (Canningite –Whig ) William Huskisson MP for Liverpool 3 September 1827 21 January 1828 Goderich (Canningite –Whig ) Robert Peel MP for Oxford University until 1829 MP for Westbury from 1829 26 January 1828 16 November 1830 Wellington–Peel John SpencerViscount Althorp MP for Northamptonshire until 1832 MP for South Northamptonshire from 1832 22 November 1830 14 November 1834 Whig Grey Melbourne I Vacant 14 November 1834 10 December 1834 Wellington Caretaker Robert Peel MP for Tamworth 10 December 1834 8 April 1835 Conservative Peel I Lord John Russell MP for Stroud 18 April 1835 30 August 1841 Whig Melbourne II Robert Peel MP for Tamworth 30 August 1841 29 June 1846 Conservative Peel II Lord John Russell MP for City of London 30 June 1846 21 February 1852 Whig Russell I Benjamin Disraeli MP for Buckinghamshire 27 February 1852 17 December 1852 Conservative Who? Who? Lord John Russell MP for City of London 28 December 1852 30 January 1855 Whig Aberdeen (Peelite –Whig ) Henry John TempleThe Viscount Palmerston MP for Tiverton 6 February 1855 19 February 1858 Palmerston I Benjamin Disraeli MP for Buckinghamshire 26 February 1858 11 June 1859 Conservative Derby–Disraeli II Henry John TempleThe Viscount Palmerston MP for Tiverton 12 June 1859 18 October 1865† Liberal Palmerston II William Ewart Gladstone MP for South Lancashire October 1865 26 June 1866 Russell II Benjamin Disraeli MP for Buckinghamshire 6 July 1866 1 December 1868 Conservative Derby–Disraeli III William Ewart Gladstone MP for Greenwich 3 December 1868 17 February 1874 Liberal Gladstone I Benjamin Disraeli MP for Buckinghamshire 20 February 1874 21 August 1876 Conservative Disraeli II Stafford Northcote MP for Devonshire North 21 August 1876 21 April 1880 William Ewart Gladstone MP for Midlothian 23 April 1880 9 June 1885 Liberal Gladstone II Michael Hicks-Beach MP for Bristol West 24 June 1885 28 January 1886 Conservative Salisbury I William Ewart Gladstone MP for Midlothian 1 February 1886 2 July 1886 Liberal Gladstone III Lord Randolph Churchill MP for Paddington South 3 August 1886 14 January 1887 Conservative Salisbury II W. H. Smith MP for Strand 17 January 1887 October 1891 Arthur Balfour MP for Manchester East October 1891 11 August 1892 William Ewart Gladstone MP for Midlothian 15 August 1892 2 March 1894 Liberal Gladstone IV William Harcourt MP for Derby 2 March 1894 21 June 1895 Rosebery Arthur Balfour MP for Manchester East 29 June 1895 4 December 1905 Conservative Salisbury(III & IV) (Con. –Lib.U. ) Balfour (Con. –Lib.U. ) Henry Campbell-Bannerman MP for Stirling Burghs 5 December 1905 5 April 1908 Liberal Campbell-Bannerman H. H. Asquith MP for East Fife 5 April 1908 5 December 1916 Asquith(I–III) Asquith Coalition (Lib. –Con. –Lab. ) Bonar Law MP for Bootle until 1918 MP for Glasgow Central from 1918 10 December 1916 23 March 1921 Conservative Lloyd George(I & II) (Lib. –Con. –Lab. ) Austen Chamberlain MP for Birmingham West 23 March 1921 19 October 1922 Bonar Law MP for Glasgow Central 23 October 1922 20 May 1923 Law Stanley Baldwin MP for Bewdley 22 May 1923 22 January 1924 Baldwin I Ramsay MacDonald MP for Aberavon 22 January 1924 3 November 1924 Labour MacDonald I Stanley Baldwin MP for Bewdley 4 November 1924 4 June 1929 Conservative Baldwin II Ramsay MacDonald MP for Seaham 5 June 1929 7 June 1935 Labour MacDonald II National Labour National I (N.Lab. –Con. –Lib.N. –Lib. ) National II (N.Lab. –Con. –Lib.N. –Lib. until 1932 ) Stanley Baldwin MP for Bewdley 7 June 1935 28 May 1937 Conservative National III (Con. –N.Lab. –Lib.N. ) Neville Chamberlain MP for Birmingham Edgbaston 28 May 1937 10 May 1940 National IV (Con. –N.Lab. –Lib.N. ) Chamberlain War (Con. –N.Lab. –Lib.N. ) Winston Churchill MP for Epping 10 May 1940 19 February 1942 Churchill War (All parties ) Stafford Cripps MP for Bristol East 19 February 1942 22 November 1942 Independent Anthony Eden MP for Warwick and Leamington 22 November 1942 26 July 1945 Conservative Churchill Caretaker (Con. –N.Lib. ) Herbert Morrison MP for Lewisham East until 1950 MP for Lewisham South from 1950 27 July 1945 9 March 1951 Labour Attlee(I & II) James Chuter Ede MP for South Shields 9 March 1951 26 October 1951 Harry Crookshank MP for Gainsborough 28 October 1951 20 December 1955 Conservative Churchill III Eden R. A. Butler MP for Saffron Walden 20 December 1955 9 October 1961 Macmillan(I & II) Iain Macleod MP for Enfield West 9 October 1961 20 October 1963 Selwyn Lloyd MP for Wirral 20 October 1963 16 October 1964 Douglas-Home Herbert Bowden MP for Leicester South West 16 October 1964 11 August 1966 Labour Wilson(I & II) Richard Crossman MP for Coventry East 11 August 1966 18 October 1968 Fred Peart MP for Workington 18 October 1968 19 June 1970 Willie Whitelaw MP for Penrith and The Border 20 June 1970 7 April 1972 Conservative Heath Robert Carr MP for Mitcham 7 April 1972 5 November 1972 Jim Prior MP for Lowestoft 5 November 1972 4 March 1974 Edward Short MP for Newcastle upon Tyne Central 5 March 1974 8 April 1976 Labour Wilson(III & IV) Michael Foot MP for Ebbw Vale 8 April 1976 4 May 1979 Callaghan Norman St John-Stevas MP for Chelmsford 5 May 1979 5 January 1981 Conservative Thatcher I Francis Pym MP for Cambridgeshire 5 January 1981 5 April 1982 John Biffen MP for Oswestry until 1983 MP for Shropshire North from 1983 5 April 1982 13 June 1987 Thatcher II John Wakeham MP for South Colchester and Maldon 13 June 1987 24 July 1989 Thatcher III Geoffrey Howe MP for East Surrey 24 July 1989 2 November 1990 John MacGregor MP for South Norfolk 2 November 1990 10 April 1992 Major I Tony Newton MP for Braintree 10 April 1992 2 May 1997 Major II Ann Taylor MP for Dewsbury 2 May 1997 27 July 1998 Labour Blair I Margaret Beckett MP for Derby South 27 July 1998 8 June 2001 Robin Cook MP for Livingston 8 June 2001 17 March 2003 Blair II John Reid MP for Hamilton North and Bellshill 4 April 2003 13 June 2003 Peter Hain MP for Neath 11 June 2003 6 May 2005 Geoff Hoon MP for Ashfield 6 May 2005 5 May 2006 Blair III Jack Straw MP for Blackburn 5 May 2006 27 June 2007 Harriet Harman MP for Camberwell and Peckham 28 June 2007 11 May 2010 Brown George Young MP for North West Hampshire 12 May 2010 3 September 2012 Conservative Cameron–Clegg (Con. –L.D. ) Andrew Lansley MP for South Cambridgeshire 4 September 2012 14 July 2014 William Hague MP for Richmond (Yorks) 14 July 2014 8 May 2015 Chris Grayling MP for Epsom and Ewell 9 May 2015 14 July 2016 Cameron II David Lidington MP for Aylesbury 14 July 2016 11 June 2017 May I Andrea Leadsom MP for South Northamptonshire 11 June 2017 22 May 2019 May II Mel Stride MP for Central Devon 23 May 2019 24 July 2019 Jacob Rees-Mogg MP for North East Somerset 24 July 2019 8 February 2022 Johnson I Johnson II Mark Spencer MP for Sherwood 8 February 2022 6 September 2022 Penny Mordaunt MP for Portsmouth North 6 September 2022 Incumbent Truss Sunak