Urbex Central has posted interior  images of the Cathedral Of The Blessed Sacrament (Christchurch).
"Cathedral of the Dammed": http://urbexcentral.com/2014/08/28/cathedral-of-the-damned/
The posting of these links is not meant to condone or recommend the breaching of safety zones or barriers that have been put in place to protect the public from accessing dangerous buildings.

Christ Church Cathedral Interior Images: Urbex Central Web Site Posting