Hey mate. I'm from Australia too and believe me disco records aren't as easy to come by in Australia compared to USA.
Anyhow I remember a shop somewhere in Sydney that sells 12" records although I think from memory they were more from the 1980's but it's been 3 years since I been there and I had virtually no money because I spent most of it in Good Groove Records which was just a few buildings down and didn't buy anything from that store. I must say Good Groove records have really fantastic disco/funk records that are extremely rare to find anywhere else.
I'm sure Melbourne would have a number of disco/funk record stores because Melbourne has a lot happening there.
Anyhow some other areas you may find 12" records would be in op shops, Salvos, markets, record/book shops etc... or throw a "Wanted To Buy" ad in the Trading Post asking for 12" records.
I myself go digging through markets, Salvos, Smith Family, book shops, record shops for good disco and funk and usually I see shitloads of old farts music i.e. Kamahl, Bing Crosby, brass marching bands, etc... but in amongst those crap records I find some good 70's disco and funk. I find 12" records here and there ranging from good condition to poor, I've only been collecting for 5 years and have aquired between 30 and 50 12" records.
I was wondering do you's get any disco radio stations over in Adelaide that play more than the mainstream stuff? Over in Illawarra we only have 96.5 Wave FM as a retro station and they most belt the living **** out of the mainstream disco like you know "YMCA", "I Will Survive", "Stayin' Alive", "The Hustle" etc... not that I hate the songs, just overplayed that's all. I'm a lover of really rare funk and disco.
Anyhow good luck with your search.
Australia mate! The land of many great funkateers!
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