In 1992 Hepworth joined the Anglican Catholic Church in Australia (ACCA). On 29 June 1996 he was consecrated as a bishop, together with Robert John Friend, in the Pro-Cathedral of the Resurrection, Brisbane, by bishops Albert N. Haley (then diocesan bishop of the ACCA), Robert C. Crawley (Anglican Catholic Church of Canada), Wellborn Hudson (Anglican Church in America) and John Hazlewood (retired Bishop of Ballarat in the Anglican Church of Australia).
Hepworth's affiliation with the Anglican Catholic Church in Australia (ACCA) led to his ordination as a bishop in 1996. This event took place at the Pro-Cathedral of the Resurrection in Brisbane, where he was consecrated alongside Robert John Friend, by bishops from various churches.