After his retirement in 1973, Briginshaw surprised many observers by accepting a life peerage from Harold Wilson, joining the House of Lords and taking the title Baron Briginshaw, of Southwark in Greater London, in January 1975. The following year he published a pamphlet called Abolish the House of Lords, denouncing it as "a worthless anachronism".The Independent, 31 May 1992 He died in 1992 in Croydon of a perforated duodenal ulcer and was survived by six children.
