常任上訴法官
On 13 January 2004, he was appointed a Lord of Appeal in Ordinary, and therefore became a life peer with the title Baron Brown of Eaton-under-Heywood, of Eaton-under-Heywood in the County of Shropshire, sitting as a crossbencher. He and nine other Lords of Appeal in Ordinary became Justices of the Supreme Court upon that body's inauguration on 1 October 2009.