“Aussie battlers” Lisa Wilkinson and Peter FitzSimons have downsized to a sprawling harbour-view castle penthouse, just a short drive from where they sold their $23 million, 122-year-old Sydney Edwardian mansion in the city’s Lower North Shore.

Wilkinson and FitzSimons have purchased a slice of the boutique block known as The Castle.

The purchase was revealed by the Australian Financial Review , which reported local sources suggested a deal was inked for an undisclosed sum between $15 to $16.5 million.

The exact sale price will be revealed at settlement later this year.

Lisa and Peter are set move into the top-floor in the block of six, with the property offering panoramic views of Sydney Harbour from inside the home and the private rooftop terrace.

It offers more than 530 square me

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