He married Molly Josephine Hall in 1948. The couple divorced after his wife had a child by the lodger.
He played Paul McCartney's fictitious grandfather in the Beatles' 1964 film, A Hard Day's Night.
In November 1962 Brambell was arrested in Shepherds Bush and charged with importuning for immoral purposes. He was given a conditional discharge but the case was well reported in the national newspapers.
Brambell died as a result of cancer at his home in London, aged 72 on 18 January 1985. He was cremated on 25 January 1985 at Streatham Park Cemetery, where his ashes were scattered.
- When Steptoe met Son, Channel 4 documentary 2002.