Inside Aussie billionaire’s record-breaking Perth mansion

Australia has no shortage of luxury homes, but few sit in a league of their very own. 

If you’ve ever drifted down Perth’s Swan River and spotted a mansion larger than anything you’d ever seen before, chances are it was this one. 

The sprawling riverfront compound in Mosman Park, owned by mining billionaire Chris Ellison and his wife Tia, has hit the market for the first time in 16 years. 

It last changed hands in 2009 for $57.5 million, which set the national house price record at the time.

Set on an eyewatering 7,565-square-metre parcel, the property remains Perth’s most expensive estate. It is expected to set a new house price record, with local sources predicting it is now worth significantly more.

It’s not hard to see why.

Beyond the iron gate and tree-lined drive sits an entire family compound comprising three separate buildings: a three-story main home, a gate and a guest house. 

Upon entering the home, visitors are greeted by a triple-height foyer where an indoor koi pond sits under a glass dome ceiling and hand-painted details. 

A sweeping marble staircase and glass lift then connect the home’s three levels.

The interiors are equally lavish, with marble floors, solid oak doors with timber inlays, bespoke burl-wood joinery and walls of glazing designed to capture natural light and draw in river views. 

There is an indoor swimming pool pavilion – complete with a spa and children’s splash pool – a sauna, a gym, a cinema, a floodlit full-size tennis court and a cliffside boathouse with lift access to the jetty and boat ramp.

The estate also boasts an alfresco kitchen, a media room, a cool room, a wine cellar and a dumbwaiter for the pool area. 

Upstairs, the main living and dining room opens to a wraparound balcony overlooking the river, while a marble kitchen features a walk-in pantry.

The parents’ wing has been designed as a private sanctuary with a balcony, dressing room and spa bathroom overlooking the water and bushland. 

Selling agent Vivien Yap, of Ray White Dalkeith Claremont, told the Australian Financial Review that the home was a “showstopper”. 

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43 Saunders Street, Mosman Park WA 6012

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As there are no true comparable sales at this level, a price guide has not yet been set. Instead, the campaign is expected to take shape with buyer feedback. 

Future owners will also inherit an annual bill of $26,163.29 to cover water rates and council rates  – roughly three times the local average.

The property was originally built by iron ore heiress Angela Bennett and was later enhanced by the Ellisons.

Before the 2009 sale, the Bennett family listed the home in 2007 for $100 million. They later dropped the price to $70 million, then settled on a $57.5 million sale price.

Now, well over a decade later, one of Australia’s most prestigious addresses may be about to make history all over again.