This collection of caches has nothing to do with the Church Micro series in the UK. Given that the Australian 2021 census indicates that No Religion and Jedi Knight are still the fastest increasing classifications of the optional religion question "What is the person's religion?" it is not surprising that there is surfeit of empty churches that have been repurposed.
St Alphege's Anglican Church
A modern structure with a tall spire. Since the church was closed the building has been a variety of businesses. Currently not used.
From the history plaque at the front of the building you will need the year of consecration of the new church April ABCD. Complete the coordinates S31° 55.70C E133° 00.56B to find the nearby cache.