The pair reportedly threw down an $800,000 deposit on the property which was transformed into a five-bedroom, two-kitchen, four-bathroom home with a swimming pool, steam room and wine cellar. The renovations were completed by developer Tony Blanche.
The publication reports that the pair will spit profits from the lavish property.
Cass recently jetted off on an idyllic getaway after her ex-husband admitted to feeling "cooked" before his unmerciful sacking from Nine's Today show.
With her estranged ex making headlines once more, the mother-of-three, 48, took to her Instagram to share a shot of an infinity pool in what is believed to be Fiji. She captioned it "school holidays rejuvenation time".
Karl and Cass no longer on speaking terms after he walked out on Cassandra and struck up a relationship with designer Jasmine Yarbrough, 34, just a few months later. They were married in an OTT Mexican soiree in December just a few days before Karl was sacked.
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