| The ideal answer would be 'Privy Counsellor', which ranks in the order of precedence between Knights of the Garter, the Thistle and St Patrick, and various Chancellors. I think there was a problem with this not being accepted, but it should be fixed now.
Of course the most senior title any prime minister receives is that of 'Prime Minister', ranking above everyone except members of the Royal Family, Archbishops and the Lord Chancellor; but accepting that answer wouldn't have made a very exciting quiz. |