Created in 1914 as a result of a division of the previous Diocese of Grafton and Armidale it has 22 parishes and 3 transitional ministry districts and an Anglicare organisation seeking to support community and social needs within the diocese.

The cathedral church is Christ Church Cathedral in Grafton which was designed by John Horbury Hunt and commenced in 1884 during the episcopacy of Bishop James Turner and completed to its present stage in 1937.

[4] The building is of brick construction in a Gothic Revival style with towering arches and ornate stained glass windows.

An organ was installed in 1884 by George Fincham of Melbourne which was replaced in 1992 by a 1903 instrument brought from London by Peter D.G.

[6] The following individuals have served as Deans of Grafton: The diocese also has a number of church-based schools providing education across a range of age groups.