Judicial review is a process under which a government’s executive, legislative, or administrative actions are subject to review by the judiciary. In a judicial review, a court may invalidate laws, acts, or governmental actions that are incompatible with a higher authority.
Parliamentary sovereignty is a principle of the UK constitution. It makes Parliament the supreme legal authority in the UK, which can create or end any law. Generally, the courts cannot overrule its legislation and no Parliament can pass laws that future Parliaments cannot change. Parliamentary sovereignty is the most important part of the UK constitution.
Judicial review would imply a higher authority.
For the most part, UK’s highest legal authority is Parliament.
The Supreme Court, as well as being the final court of appeal, plays an important role in the development of United Kingdom law.
As an appeal court, The Supreme Court cannot consider a case unless a relevant order has been made in a lower court.
It is the final court of appeal for all United Kingdom civil cases, and criminal cases from England, Wales and Northern Ireland.
It hears appeals on arguable points of law of general public importance.
It concentrates on cases of the greatest public and constitutional importance.
It maintains and develops the role of the highest court in the United Kingdom as a leader in the common law world.