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| British Constitution (unwritten) | |
|---|---|
| Name | British Constitution (unwritten) |
| Caption | Palace of Westminster, seat of the Parliament of the United Kingdom |
| Jurisdiction | United Kingdom of Great Britain and Northern Ireland |
| Type | uncodified constitution |
| Established | Evolutionary; key milestones include Magna Carta (1215), Bill of Rights 1689 (1689) |
British Constitution (unwritten) The British Constitution (unwritten) is the aggregate of legal instruments, historical precedents, and political customs that structure the United Kingdom. It encompasses statutes, judicial decisions, prerogative powers and constitutional conventions that shape the roles of the Monarchy of the United Kingdom, the Parliament of the United Kingdom, the Prime Minister of the United Kingdom and the Supreme Court of the United Kingdom.
The constitution is uncodified, relying on statute law such as the Parliament Acts 1911 and 1949, common law exemplified by decisions of the House of Lords and later the Supreme Court of the United Kingdom, and conventions practised by actors like the Cabinet of the United Kingdom, the Leader of the Opposition, and the Attorney General for England and Wales. Its status contrasts with written constitutions like the Constitution of the United States or the Basic Law for the Federal Republic of Germany, and it has been described in scholarly debates alongside works by A. V. Dicey, Walter Bagehot and commentators from the Oxford University Press and the Cambridge University Press traditions.
Primary sources include landmark statutes: the Magna Carta, the Provisions of Oxford, the Act of Settlement 1701, the Bill of Rights 1689, the Reform Acts, the Human Rights Act 1998, and the European Communities Act 1972 (repealed following the United Kingdom European Union membership referendum, 2016). Secondary sources comprise judicial rulings from courts including the Royal Courts of Justice and the European Court of Human Rights (not a court of the UK but influential), as well as conventions noted in texts like Erskine May and writings by Sir Ivor Jennings. Institutional practices of the City of London Corporation, devolved legislatures such as the Scottish Parliament, the Senedd Cymru and the Northern Ireland Assembly also function as component elements.
Key principles include parliamentary sovereignty articulated by A. V. Dicey, rule of law associated with figures like William Blackstone and contested in cases such as R (Miller) v Secretary of State for Exiting the European Union and R (Miller) v The Prime Minister. Conventions govern relations between the Monarch of the United Kingdom and ministers, illustrated by the Sewel Convention and the practice surrounding the Queen's Speech and Royal Assent. Other conventions include collective cabinet responsibility illustrated by crises involving Margaret Thatcher and Tony Blair, ministerial responsibility exemplified in disputes involving the Home Secretary or the Chancellor of the Exchequer, and the appointment processes that engage figures like the Lord Chancellor and the Cabinet Secretary.
Development spans medieval documents like the Magna Carta through Tudor statutes such as the Act of Supremacy 1534 and the constitutional settlement after the Glorious Revolution culminating in the Bill of Rights 1689. The parliamentary reforms of the 19th century involved the Reform Acts and conflicts in the House of Commons and the House of Lords, while 20th-century changes included the Parliament Acts, the evolution of the Welfare State under Clement Attlee, decolonisation connecting to the Commonwealth of Nations, and European integration leading to the Treaty of Rome and later debates over the European Union membership. Recent milestones include devolution through the Scotland Act 1998, the Government of Wales Act 1998, and the Northern Ireland (Good Friday Agreement).
Institutions central to the constitution include the Monarchy of the United Kingdom, Parliament of the United Kingdom (comprising the House of Commons and the House of Lords), the Prime Minister of the United Kingdom and the UK Civil Service. The judiciary includes the Supreme Court of the United Kingdom, the Court of Appeal of England and Wales, and the historic Judicial Committee of the Privy Council. Separation of powers is framed by practice: parliamentary sovereignty limits judicial review in the manner of United States v. Nixon contrasts, while judicial independence was reinforced by reforms after controversies such as the Jubilee Line Extension litigation and debates involving the Lord Chancellor.
Protection of rights draws on common law antecedents exemplified by judges like Lord Denning and statutory protections including the Human Rights Act 1998 which incorporated the European Convention on Human Rights into domestic law. Landmark cases such as A and Others v Secretary of State for the Home Department and statutory frameworks including the Equality Act 2010 shape civil liberties alongside conventions around freedom of the press involving entities like BBC and The Times. Debates about habeas corpus, detention powers and surveillance have engaged institutions such as the Investigatory Powers Tribunal and influenced legislation like the Terrorism Act 2000.
Calls for a written constitution have been advanced by academics and politicians citing examples from the Charter of Rights and Freedoms debates in other jurisdictions and commissions such as reports by the Constitution Unit at University College London and the Law Commission. Proposals range from entrenching the Human Rights Act 1998 to establishing a constitutional court akin to the Constitutional Court of South Africa. Opponents invoke parliamentary sovereignty and traditions represented by institutions like the Conservative Party (UK) and the Labour Party (UK), with episodic reform efforts under governments of David Cameron, Gordon Brown and Theresa May.
Category:Constitutions