 Following the announcement in June 1969 that he was to be made a life peer, Hall changed his name by Deed Poll to Roberthall on 25 September 1969 and was created Baron Roberthall, of Silverspur in the State of Queensland and Commonwealth of Australia, and of Trenance, in the County of Cornwall on 28 October 1969.In the 1970s and 1980s he served actively in the House of Lords, latterly as a member of the Social Democratic Party.He was president of the Royal Economic Society from 1958 to 1960.