The Supreme Court is the final court of appeal in the United Kingdom for civil cases, and for criminal cases from England, Wales and Northern Ireland. It hears cases of the greatest public or constitutional importance affecting the whole population, including disputes relating to devolution.As authorised by the Constitutional Reform Act 2005, Part 3, Section 23, the Supreme Court of the United Kingdom was formally established on 1 October 2009 and is a non-ministerial government department of the Government of the United Kingdom,.
It assumed the judicial functions of the House of Lords, which had been exercised by the Lords of Appeal in Ordinary , the 12 judges appointed as members of the House of Lords to carry out its judicial business as the Appellate Committee of the House of Lords. Its jurisdiction over devolution matters had previously been exercised by the Judicial Committee of the Privy Council.
The current President of the Supreme Court is Lord Reed.