Where does ultimate power lie in the UK constitution?

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Public Law

Where does ultimate power lie in the UK constitution?

 

Most European nations have written constitutions; a single document which can be referred to in isolation. Unusually for a major western democracy, the UK has no such document. The rules on who makes the law, how the relationship between the principle organs of  state is regulated and their functions, are contained in a variety of sources i.e. Statutes, the common law, and conventions. An unwritten constitution.

Conventions, which are simply established traditions that tend to be followed, play a significant part, that have become ‘the way to behave’ and failure to observe them will normally result in political disapproval to the extent that most see them as binding. But they are not law and as such cannot be enforced.

There are many coercive examples of conventions that affect our system of government, where a failure to observe could result in the person concerned having to resign, for example the conventions establishing ministerial responsibility and the Government must resign if it loses a vote of confidence.

Some basic principles underpin the nature of the constitution. Among them, the doctrine of the separation of powers. The French theorist, Montesquieu, established,

The three main powers of government, ...executive, ...legislature and ...judiciary should be organically and functionally separated in order to avoid the risk of too much power being accumulated in one person or institution, i.e. the risk of tyranny”.

There are flaws in Montesquieu’s argument, for example it requires that individuals shouldn’t occupy positions in more than one of the three arms of state; that each should exercise its functions independently from the others, and that one should not exercise the functions of either of the others.

The Office of Lord Chancellor demonstrates how the organs of state are intermingled; Head of the judiciary, Speaker of the House of Lords and a member of the Cabinet. Other examples abound; high judicial posts are clearly political appointments; officially made by the Queen, but on the advice of the Lord Chancellor; lower judicial appointments are made directly by the Lord Chancellor.

Parliamentary Select Committees function in a quasi-judicial manner and Governmental enquiries are often headed by senior judiciary i.e. the Scott enquiry into the arms-to-Iraq affair. This undermines the neutrality of the judiciary and indicates that a separation of powers is constitutional theory and not political reality; there in fact exists a concentration of power, vested firmly with the executive.

...no one would claim that the separation of powers is a central feature of the modern British Constitution. Since the evolution of the Cabinet system with the ministers of the Crown exercising executive power and also sitting in Parliament ...there has been a direct link between the executive and legislature power”.

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...in every major social issue... in the last thirty years ...judges have supported the conventional, settled and established interests, ...they show a tendency to view the ‘public interest’ as the maintenance of established authority and traditional values”. 

The separation of powers prevents excessive interference in executive functions, thus the legislature’s role must be to enforce constitutional safeguards in order to prevent executive abuses of power. The safeguards are essentially conventions and given that these are ‘generally’ followed anyway, Parliament’s only significant function is to heighten awareness of Government threats to the constitution.

The doctrine of Parliamentary Sovereignty is ...

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