Before the full completion of the tower, the Cathedral had three bells which are believed to have been hung dead at the level of the current belfry floor. Two of the 1866 bells were brought over from Old St Paul's, and later another bell of unknown origin (probably donated) was added on . The 1866 bells were eventually melted down and contributed to the casting of the 6 new bells, and the remaining one was recast into the current flat sixth.

In addition to the ring of fourteen, there are 2 additional bells hanging about the cathedral. The first of these is the "Bell of Remembrance", a service bell which hangs 'dead' at the front of the cathedral, under a turret roof high above the main entrance. It was originally cast by John Taylor & Co, as the treble of a set of three for St John the Evangelist in Eastbourne, Sussex, in England. This church was badly damaged in the blitz, but luckily the bells had been hung in a separate campanile which was not touched. To fund for restoration of the church, 2 of the bells were sold off. The tenor was sent to St David's Cathedral in Hobart to be used as the tenor of the ring of ten, and the middle bell remained at St John's, leaving behind the treble. Timothy Hurd purchased it from the Whitechapel Bellfoundry as they had done the removal work, and donated it as part of the cathedral completion campaign. It is rung today via an Electromagnetic hammer. 

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