The Supreme Court of the United Kingdom replaced the Judicial Committee of the House of Lords in 2009, as directed by the Constitutional Reform Act 2005. The Judicial Committee was an anomaly. It was the final court of appeal in the judicial system, yet—defying the axiomatic separation between legislators and judiciary—it was embedded in Parliament. The Supreme Court is now physically as well as constitutionally independent of the legislature. It is the ultimate arbiter of what is lawful but must obey legislation enacted by Parliament. In this it differs from the Supreme Court of the United States, which can nullify legislation and its effect by declaring it incompatible with the written US constitution.
We of course have never had any such overriding document. Recent investigations and proposals considered whether we should adopt one. They culminated in the government’s Bill of Rights Bill, recently abandoned following the departure from ministerial office of Dominic Raab
