Career
Banfield was General Secretary of the Amalgamated Union of Operative Bakers, Confectioners and Allied Workers from 1915 until he retired in 1940. He unsuccessfully contested the 1918 general election in Birmingham Aston. He was a government delegate representing the work people at Geneva from 1924 to 1925.
He was unsuccessful in Fulham West at a by-election in 1930 and at the 1931 general election.
In 1932, the Conservative Member of Parliament for Wednesbury, Viscount Ednam succeeded to the peerage as Earl of Dudley, triggering a by-election in July 1932. Banfield was selected as Labour"s candidate, hoping to regain a seat which had been held by Labour from 1918 to 1931.
He was re-elected at the 1935 general election. In December 1936, he delivered an address, "Sunday: An Member of Parliament"s Convictions" at the Alliance Birthday Celebrations of the Imperial Alliance for the Defence of Sunday, arguing that Sunday should be a day of rest and worship.
In June 1937 he made a speech in Parliament, proposing the addition of a clause to the Factories Bill: Prohibition of night work in bakehouses.
His campaigning led to him being known as "the bakers" Member of Parliament". Banfield died aged 69, in Hammersmith, London of a heart attack shortly before the 1945 general election.