<P> The Supreme Court was established by Part 3 of the Constitutional Reform Act 2005 and started work on 1 October 2009 . It assumed the judicial functions of the House of Lords , which had been exercised by the Lords of Appeal in Ordinary ( commonly called `` Law Lords '' ) , the 12 judges appointed as members of the House of Lords to carry out its judicial business . Its jurisdiction over devolution matters had previously been exercised by the Judicial Committee of the Privy Council . </P>
<P> The Supreme Court was established by Part 3 of the Constitutional Reform Act 2005 and started work on 1 October 2009 . It assumed the judicial functions of the House of Lords , which had been exercised by the Lords of Appeal in Ordinary ( commonly called `` Law Lords '' ) , the 12 judges appointed as members of the House of Lords to carry out its judicial business . Its jurisdiction over devolution matters had previously been exercised by the Judicial Committee of the Privy Council . </P>
when did the house of lords change to supreme court
when did the house of lords change to supreme court
1 October 2009
1 October 2009