[9] He retired in 1955 from the Royal Air Force Volunteer Reserve with the rank of Squadron Leader.
He was elected to the Council of the Norfolk and Norwich Archaeological Society in 1959, President 1964–67, Chairman from 1965 and Vice-President from 1967.
[11] Jewson settled a charitable trust, the CB Jewson Charitable Trust (Charity Number 260086) in 1969, the objects of which were to assist elderly and young people and the disabled in Norfolk.
[14] At the time of the 1939 register, Jewson and his wife had a furloughed missionary, Winifred Wenger, living with them.
[16] His wife, who was the daughter of Gilbert Laws, the minister of St Mary's, was also a deacon, and President of the National Baptist Women's League in 1961.