[1] Howfield began his association football career with local side Bushey F.C., before signing amateur terms with Millwall in May 1957.
[1] He became a professional with Watford in September 1957, playing for the club until July 1959, when he moved to Crewe Alexandra.
[1] In October 1959, however, he moved to Aldershot, where his 23 league goals in the 1961–62 season were a club record for a number of years.
[1] Howfield moved to Fulham in November 1965 for £6000, having made 101 appearances and scored 25 goals in his two spells with the club.
After his retirement from sport, Howfield worked in the insurance department of a Denver bank, and he still lives close to the city.