The see is based in the City of Portsmouth in Hampshire, where the seat is located at the Cathedral Church of St Thomas of Canterbury.

On 10 December 2024, it was announced that the next Bishop suffragan of Richborough, Luke Irvine-Capel, will be "based" in the diocese.

For example, Bavin did not report Fr Terry Knight to the police when parents raised their concerns to him in 1985.

[6] Bavin had also allowed a convicted paedophile Fr Michael Gover to resume working for the church on his release in 1990.

[7] Bavin stood down in 1995 whilst Knight's police investigation and court case was taking place.