 When John moved his episcopal seat, he also took over the abbey of Bath as his cathedral chapter, turning his diocese into a bishopric served by monks instead of the canons at Wells who had previously served the diocese.John rebuilt the monastic church at Bath, which had been damaged during one of Robert de Mowbray's rebellions.Permission was given to move the see of Somerset from Wells—a comparatively small settlement—to the then walled city of Bath.