In addition to his academic abilities, he had business acumen and exceptional administrative gifts. One of his main achievements was to set the college's finances on a sound base, securing the freehold of the site as a gift, and ensuring that both the land and funds were available to build the residential hostel which he had long been advocating. He was dean of the Faculty of Theology of the University of Wales, 1928-32, and he was instrumental with others in helping to establish a Joint School of Theology at Cardiff in 1928, and in 1934 in designing a diploma course that met the requirements of non-graduate students preparing for the ministry.

He was a member of Albany Road Church, Cardiff, and enthusiastically supported the work of his denomination in the city, e.g. as chairman of the Cardiff Baptist Board for 21 yrs. He was also president of the East Glamorgan Baptist Association, 1934-35. He took a keen interest in the missionary work of the Christian Endeavour Movement, and was president of the Welsh National Christian Endeavour Union in 1906-07 and 1923-24, and president of the British C.E. Union in 1924-25. In June 1954, as a tribute to his long-standing service to the East Glamorgan Baptist Association, he received a gift of an oil portrait of himself, painted by Alfred Hall, Cardiff, which he later presented to the Baptist College. He edited and contributed three chapters to the biography of one of his predecessors, The life of Principal William Edwards … (1934).

On 8 Aug. 1900 he m. Mary Maria, daughter of his first pastor, John Morgan (d. 8 Sept. 1922 aged 82) and Margaret his wife (d. 14 Apr. 1924, aged 74), and they had one son, Sidney Morgan Chance, South Park, Gerrards Cross, who was alive when his parents celebrated their golden wedding but d. before them. Thomas Williams Chance d. 22 Dec. 1954 after an operation in the County Hospital, Hereford, and was buried two days later in Hephzibah graveyard. His wife d. 22 July 1956, aged 81.