The move is likely to be only temporary, as the entrepreneur, who owns Rode Microphones, bought the Jenner House, a landmark in nearby Potts Point, for $30.35 million in May and is currently renovating it.

Just days after news broke that Freedman had put his three-bedroom, 300sqm penthouse in the Macleay St building on the market, he bought a two-bedroom sub-penthouse for sale by Stewart Residential's renowned off-planning expert, Ben Stewart.

The 150-square-foot flat, valued at $8.2 million, was brokered by Jason Boon of Richardson & Wrench and TRG founder Gavin Rubinstein, who acted as buyer's agent for Friedman.

Rubinstein is currently working on the sale of Freedman's large home with a guide price of $17 million. The home sold in 2018 for $16 million, breaking a local price record.

It has three bedrooms, three bathrooms and three parking spaces.

"This rare offering speaks for itself, with landmark views from two floors in the coveted Ikon building", Rubenstein said.

The spacious north-east facing split-level home offers city and harbour views from every room.

On the main living level, a spacious entertaining space opens onto an expansive dining terrace with views of Sydney, while the state-of-the-art gas kitchen features a suite of Miele appliances.

A second lounge and dining area off the kitchen opens onto an east-facing balcony with views of Rushcutters Bay and Watsons Bay.

The upper level features three bedrooms, each with custom built-ins and access to the balcony.

The spacious master bedroom has an ensuite with double vanity and a walk-in wardrobe.

Other amenities include a full-size master bathroom, a powder room, a linen room, air-conditioning, additional storage, a video security intercom system and a triple lock-up garage.

This building in the heart of Potts Point offers residents 24-hour concierge service, a swimming pool, spa, sauna and gym.

The Ikon building is surrounded by bustling bars and restaurants and is adjacent to Kings Cross Station.