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.
Walker Street Methodist Church
The property dates back to 1877 with major renovations carried out in 1927/28, followed by a re-opening on 12/2/1928. No other details are known. No Foundation Stone or Memorial Plaque details is available. Timber framed property with steep pitched corrugated iron roof is now privately owned.
To find the cache complete the Wherigo cartridge found here (username and password is the same as you use on www.geocaching.com). With this information it is probably best to leave your car were it is parked and walk to the nearby cache location.