- Heritage-listed building in Double Bay is to be refurbished
- Major construction will see two additional levels added to the building
- Works will commence in June 2022
Developers Fortis and real estate investors Marprop have jointly received approval for their plans to refurbish 24 Bay Street, a heritage-listed commercial building in Sydney’s Double Bay.
The $50 million redevelopment project has been architecturally designed by Lawton Hurley.
The upgrade will see the restoration of prominent heritage elements including the facade, internal spiral staircase, terrazzo podium and feature lighting circles. But the project will also include the addition of two more levels

Fortis Director, Charles Mellick expressed gratefulness to the Woollahra Council for their support through the development application process.
“24 Bay Street is a rare example of 1960s commercial architecture, one that has been loved and appreciated by generations as an icon of Double Bay.”
Charles Mellick, Fortis Director
“Our plan for this site is an expression of our values at Fortis, and we are committed to preserving it for the future users of this building,” he said.
The original building, called Gaden House, was designed in 1968 by a prominent Sydney architect and past Mayor of Woollahra, Neville Gruzman.
Located in the affluent harbourside suburb of Double Bay, Gaden House boasts three street frontages on Cooper Street, Brooklyn Lane and Bay Street. F, each lined with trees.
The building currently comprises of three storeys offering retail and office space.
Once the redevelopment is complete the site will offer approximately 1,294 sqm of net lettable area.
Pallas Group is the parent company of Fortis and structured real estate debt and equity manager Pallas Capital.
Fortis has a sum of $1.5 billion projects currently under construction or planning proposal in Sydney, with an additional $1.15 billion in Melbourne.
Construction will commence in June 2022.