| Laws of Wales Acts | 1535 |
| Treaty of Union | 1706 |
| Acts of Union | 1707 |
| Succession to the Crown Act 1707 | 1707 |
| Septennial Act | 1716 |
| Wales and Berwick Act | 1746 |
| Constitution of Ireland (1782) | 1782 |
| Acts of Union 1800 | 1800 |
| HC (Disqualifications) Act 1801 | 1801 |
| Reform Act 1832 | 1832 |
| Scottish Reform Act 1832 | 1832 |
| Irish Reform Act 1832 | 1832 |
| Judicial Committee Act 1833 | 1833 |
| Judicial Committee Act 1843 | 1843 |
| Judicial Committee Act 1844 | 1844 |
| Representation of the People Act 1867 | 1867 |
| Reform Act (Scotland) 1868 | 1868 |
| Reform Act (Ireland) 1868 | 1868 |
| Irish Church Act | 1869 |
| Royal Titles Act 1876 | 1876 |
| Appellate Jurisdiction Act | 1876 |
| Reform Act 1884 | 1884 |
| Interpretation Act 1889 | 1889 |
| Parliament Act | 1911 |
| Aliens Restriction Act | 1914 |
| Status of Aliens Act 1914 | 1914 |
| Government of Ireland Act 1914 | 1914 |
| Welsh Church Act | 1914 |
| Royal Proclamation of 1917 | 1917 |
| Representation of the People Act 1918 | 1918 |
| Church of England Assembly (Powers) Act | 1919 |
| Government of Ireland Act | 1920 |
| Anglo-Irish Treaty | 1921 |
| Church of Scotland Act 1921 | 1921 |
| Irish Free State (Agreement) Act | 1922 |
| Irish Free State Constitution Act | 1922 |
| Ireland (Confirm. of Agreement) Act 1925 | 1925 |
| Balfour Declaration of 1926 | 1926 |
| Royal and Parliamentary Titles Act | 1927 |
| Representation of the People Act 1928 | 1928 |
| Eire (Confirmation of Agreement) Act 1929 | 1929 |
| Statute of Westminster | 1931 |
| HM Declaration of Abdication Act 1936 | 1936 |
| Regency Act 1937 | 1937 |
| Regency Act 1943 | 1943 |
| British Nationality Act 1948 | 1948 |
| Representation of the People Act 1948 | 1948 |
| Ireland Act 1949 | 1949 |
| Statute of the Council of Europe | 1949 |
| Parliament Act | 1949 |
| Regency Act 1953 | 1953 |
| Royal Titles Act 1953 | 1953 |
| European Convention on Human Rights | 1953 |
| Interpretation Act (NI) | 1954 |
| HC Disqualification Act 1957 | 1957 |
| Life Peerages Act | 1958 |
| Commonwealth Immigrants Act 1962 | 1962 |
| Peerage Act | 1963 |
| Royal Assent Act | 1967 |
| Commonwealth Immigrants Act 1968 | 1968 |
| Immigration Act | 1971 |
| EC Treaty of Accession | 1972 |
| NI (Temporary Provisions) Act | 1972 |
| European Communities Act | 1972 |
| Local Government Act | 1972 |
| UK joins the European Communities | 1973 |
| Local Government (Scotland) Act | 1973 |
| NI border poll | 1973 |
| NI Constitution Act | 1973 |
| House of Commons Disqualification Act | 1975 |
| Referendum Act | 1975 |
| EC membership referendum | 1975 |
| HC (Administration) Act | 1978 |
| Interpretation Act | 1978 |
| Scotland Act 1978 | 1978 |
| Wales Act 1978 | 1978 |
| Scottish devolution referendum | 1979 |
| Welsh devolution referendum | 1979 |
| British Nationality Act | 1981 |
| Representation of the People Act 1983 | 1983 |
| Representation of the People Act 1985 | 1985 |
| Single European Act | 1985 |
| Maastricht Treaty | 1993 |
| Local Government (Wales) Act | 1994 |
| Local Government etc. (Scotland) Act | 1994 |
| Referendums (Scotland & Wales) Act | 1997 |
| Scottish devolution referendum | 1997 |
| Welsh devolution referendum | 1997 |
| 1998 GLA referendum | 1998 |
| Bank of England Act | 1998 |
| Good Friday Agreement | 1998 |
| Northern Ireland Act | 1998 |
| Government of Wales Act | 1998 |
| Human Rights Act | 1998 |
| Scotland Act | 1998 |
| GLA Act | 1999 |
| House of Lords Act | 1999 |
| Representation of the People Act 2000 | 2000 |
| Parties, Elections and Referendums Act | 2000 |
| Justice (Northern Ireland) Act | 2002 |
| Scottish Parliament (Constituencies) Act | 2004 |
| Constitutional Reform Act | 2005 |
| Government of Wales Act 2006 | 2006 |
| GLA Act 2007 | 2007 |
| Northern Ireland Act 2009 | 2009 |
| LDEDC Act | 2009 |
| Lisbon Treaty | 2009 |
| Constitutional Reform and Governance Act | 2010 |
| Parl. Voting System and Constituencies Act | 2011 |
| Welsh devolution referendum | 2011 |
| Alternative Vote referendum | 2011 |
| European Union Act 2011 | 2011 |
| Police Reform and Social Responsibility Act | 2011 |
| Sovereign Grant Act | 2011 |
| Fixed-term Parliaments Act | 2011 |
| Localism Act | 2011 |
| Scotland Act 2012 | 2012 |
| Succession to the Crown Act 2013 | 2013 |
| Scottish independence referendum | 2014 |
| House of Lords Reform Act | 2014 |
| Wales Act 2014 | 2014 |
| HL (Expulsion and Suspension) Act | 2015 |
| Lords Spiritual (Women) Act | 2015 |
| Recall of MPs Act | 2015 |
| European Union Referendum Act | 2015 |
| Local Government (Religious etc. Observances) Act | 2015 |
| EU membership referendum | 2016 |
| Scotland Act 2016 | 2016 |
| Cities and Local Government Devolution Act | 2016 |
| Wales Act 2017 | 2017 |
| EU (Notification of Withdrawal) Act | 2017 |
| Invocation of Article 50 | 2017 |
| European Union (Withdrawal) Act | 2018 |
| EU Withdrawal Act 2019 | 2019 |
| EU Withdrawal (No. 2) Act | 2019 |
| Early Parliamentary General Election Act | 2019 |
| EU (Withdrawal Agreement) Act | 2020 |
| UK leaves the European Union | 2020 |
| UK Internal Market Act | 2020 |
| EU (Future Relationship) Act | 2020 |
| Dissolution and Calling of Parliament Act | 2022 |
| Judicial Review and Courts Act | 2022 |
| Elections Act | 2022 |
| Levelling-up and Regeneration Act | 2023 |
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