 Certain judicial functions are also performed by the Queen @-@ in @-@ Council , although in practice its actual work of hearing and deciding upon cases is carried out day @-@ to @-@ day by the Judicial Committee of the Privy Council . The Judicial Committee consists of senior judges appointed as Privy Counsellors : predominantly Justices of the Supreme Court of the United Kingdom and senior judges from the Commonwealth . The Privy Council formerly acted as the High Court of Appeal for the entire British Empire ( other than for the United Kingdom itself ) , and continues to hear appeals from the Crown Dependencies , the British Overseas Territories , and some independent Commonwealth states . 
