This collection of caches has nothing to do with the Church Micro series in the UK. Given that the Australian 2016 census indicates that No Religion and Jedi Knight are 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.
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Kensington Gardens Uniting Church recently closed after 102 years of worship. The Basket Range stone church was marketed as a one bedroom, one bathroom property and sold in November 2018 for $2.2M. Perhaps the new owners have some Grand Designs.
To find the cache complete the following coordinates with numbers from the marble foundation stone which can be seen from the footpath:
To the glory of God
This stone was laid
Dec ABth CDEF
Cache is located at s34 55.(A) (B-A) (F) e138 40.(B-D) (F-C) (F)