What is constitutional monarchy, and what is its role in the UK? 

Constitutional monarchies are governed by elected parliaments and governments; but a monarch remains head of state and plays various important roles. Lisa James and Robert Hazell explain the UK monarchy’s constitutional role, its impact, and the questions that would need to be addressed should the UK ever decide to replace it. 

Background 

A constitutional monarchy is a system in which the head of state is a monarch, but that person does not rule the country. Governing is undertaken instead by an elected parliament and government. In the UK, the monarch’s involvement in politics has gradually diminished over the centuries, to the point where they effectively no longer exercise political power.  

The UK is not alone in having a constitutional monarchy. There are seven other monarchies in Europe, which are very similar to the UK system. The main difference is one of size: the UK has a much larger population than most European monarchies, and a larger royal family to service it.  

The UK’s monarchy is also uniquely international: the British monarch is head of state for 14 other ‘realms’ such as Canada, Australia, Jamaica and Papua New Guinea. 

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How might Keir Starmer codify his Prevention of Military Intervention Act?

Recent events have led to renewed discussion about the convention that parliament should have a formal role in authorising military action, which Keir Starmer at one point proposed to codify in legislation. Robert Hazell argues that placing the existing convention on a statutory footing is unwise, and calls on parliament and the government to work together in creating a ‘shared vision’ of how the convention should operate.

Tony Blair’s decision to support the US invasion of Iraq in 2003 has cast a long shadow over every subsequent leader of the Labour party. Keir Starmer opposed the Iraq war, and one of ten pledges he promised as part of his 2020 leadership campaign was to introduce a Prevention of Military Intervention Act. He subsequently specified on The Andrew Marr Show: ‘I would pass legislation that said military action could be taken if first the lawful case for it was made, secondly there was a viable objective and thirdly you got the consent of the Commons’.

Starmer was reminded of this pledge when he was interviewed about the UK airstrikes against the Houthi rebels in Yemen. He told Laura Kuenssberg on 14 January that his proposal for military action to require the support of the Commons only meant sustained military action involving troops on the ground, rather than targeted airstrikes like those in the Red Sea:

If we are going to deploy our troops on the ground, then parliament should be informed: there should be a debate, the case should be made, and there should be a vote… What I wanted to do was to codify the convention: the Cabinet Manual has a convention… it could be in a law or it could be by some other means.

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Unchecked power? How recent constitutional reforms are threatening UK democracy

The constitution has consistently felt under strain in recent years, following a succession of crises. Alison Young argues that a written constitution is not necessarily the solution to this problem, concluding that it is important to ensure that key constitutional guardrails are not just defended against abolition, but protected from gradual degradation as well.

Ever since the outcome of the Brexit referendum in June 2016, it seems like the UK constitution has lurched from crisis to crisis. Even after negotiating Brexit, the UK had to deal with a global pandemic – something, it would appear from hearings of the Covid-19 inquiry, for which the UK was not fully prepared.

With commentators naturally immersed in these key issues, there has been less attention paid to other, quieter, aspects of constitutional reform. The Dissolution and Calling of Parliament Act 2020, for example, appears to have barely registered with the general public. There is probably even less awareness of the changes to the oversight of the Electoral Commission provided for in the Elections Act 2022. Yet both reshaped the UK constitution.

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What role should the monarch have in a constitutional crisis?

Robert Saunders argues that the UK cannot rely on a ceremonial monarchy that seeks to remain apart from politics to protect the constitution from attack in times of crisis. For that, he concludes that other instruments will be needed, without which both monarchy and the constitution will suffer. This post is based on material from the Unit’s new report, The British Monarchy, co-published yesterday by the Unit and the UK in a Changing Europe.

For much of British history, it was hard to imagine a constitutional crisis without the monarch at its core. From the barons at Runnymede imposing Magna Carta on King John to the expulsion of James II in 1688, the English (and, later, British) constitution was forged in the collision between Crown and parliament. As late as the nineteenth century, suspicion of royal power pulsed through progressive politics. Victorians may have revered ‘Her Little Majesty’, but they also celebrated a ‘Glorious Revolution’ against royal tyranny and erected a statue of Oliver Cromwell outside Westminster.

With the decline of constitutional politics in the twentieth century, the political functions of the Crown slipped from public debate. Yet recent controversies have redirected attention to the role of the monarch at times of constitutional crisis. More specifically, they have reopened a question that deserves greater public discussion: who wields the historic powers of the Crown once the monarch is no longer politically active? Should there be any limit on their use by a Prime Minister?

An emergency brake

Some of the highest powers of the British state still technically reside with the Crown, including the right to declare war, conclude treaties and suspend parliament. By convention, those powers are exercised ‘on the advice of the Prime Minister’. But they do not belong to the Prime Minister, and might, in theory, be withheld.

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Reforming the royal prerogative  

The Brexit process raised questions about how – and in what areas – the royal prerogative should operate. Following a lengthy project, which has resulted in a new book on the subject and a Unit report – published today – on options for reform, Robert Hazell explains why the prerogative matters, and how it might be reformed to strike a better balance between parliament and the executive.

The royal prerogative has long been a mystery to most observers. I have now produced a book Executive Power: The Prerogative, Past, Present and Future to help demystify it. It was written with my former researcher (now a barrister) Tim Foot, and covers the whole range of prerogative powers, from going to war and ratifying treaties, appointing and dismissing ministers, regulating the civil service and public appointments, to the grant of honours and pardons and the issue of passports. The book’s 19 chapters provide a comprehensive guide to the operation of the prerogative – past, present, and future – together with suggestions for reform.

Working with us was another researcher, Charlotte Sayers-Carter, and Charlotte and I have distilled the key findings of our book into a much shorter report, Reforming the Prerogative. It selects just five powers, to illustrate the scope for reform through codification in statute, soft law, or by clearer and stronger conventions. This blog offers edited highlights from the book and the report, to explain why the prerogative matters; to illustrate this with a few prerogative powers; and to suggest ways in which it might be reformed.

What is the prerogative?

The prerogative derives from the original executive powers of the Crown. Over the years these have been overlain and superseded by statute, and most powers have transferred to ministers. The monarch retains the power to summon, dissolve and prorogue parliament; to grant royal assent to bills passed by parliament; to appoint and dismiss ministers. The main prerogative powers in the hands of ministers are the power to make war and deploy the armed forces; to make and ratify treaties; to conduct diplomacy and foreign relations; to grant peerages and honours; to grant pardons; to issue and revoke passports.

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