Following his retirement, Bumpstead was appointed manager of
Athenian League club
Wingate. Bumpstead later joined
Brentwood Town, managing the club to promotion to the
Southern League Premier Division. In 1970, following Brentwood's merger with
Chelmsford City, Bumpstead was named manager of Chelmsford. Bumpstead lasted in the role for four years, before ending his association with the club after two months in a general manager role, following the appointment of Syd Prosser as manager. ==References==