iNaturalist has it as Brachymeria podagrica It also is pictured in this https://www.pctonline.com/article/chalcid-wasps-in-homes/ http://v3.boldsystems.org/index.php/Taxbrowser_Taxonpage?taxon=Brachymeria+podagrica&searchTax= https://bie.ala.org.au/species/https%3A//biodiversity.org.au/afd/taxa/1136ac45-b04b-4a92-96f1-388bed221c25#classification
I’ve added this as a Brachymeria, there are a few species with very similar markings though, for example https://bie.ala.org.au/species/https://biodiversity.org.au/afd/taxa/e0638274-4a14-408f-a00d-484ea6a6c081#gallery