20 - 39 People
135 King Street, Sydney NSW
$18,580 - $35,570 /month · $929/desk
The Great Room
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Level 29, 85 Castlereagh Street, Sydney NSW
Positioned at the heart of Sydney's bustling commercial district, The Great Room delivers premium serviced offices for lease in Sydney that redefine professional workspace. This Castlereagh Street address places teams within steps of Town Hall Station, surrounded by the energy of George Street's retail precinct and the financial pulse of the central business district.
The workspace itself embraces a sophisticated design philosophy, with private offices accommodating teams from intimate three-person setups to expansive fourteen-person operations. Natural light floods through both internal and external aspects, while thoughtfully curated communal areas foster collaboration beyond traditional office boundaries. The onsite café and business lounge create organic networking opportunities throughout the working day.
Castlereagh Street sits at the crossroads of Sydney's most dynamic precincts, with Pitt Street Mall's retail energy meeting the corporate gravitas of the financial quarter. The immediate neighbourhood pulses with over eighty-five dining venues, from quick grab-and-go spots to client entertainment destinations, while fourteen fitness centres cater to health-conscious professionals seeking work-life integration in New South Wales.
This Great Room Sydney location attracts innovative businesses seeking flexible office space Sydney offers, from scaling startups to established enterprises requiring agile workspace solutions without long-term property commitments.
The Great Room is a premium coworking and flexible office provider now firmly established in the Australian market, with beautifully designed spaces in the Sydney CBD. Positioned in landmark CBD addresses and overlooking key city icons, The Great Room offers hospitality-led workspaces that blend hotel-style interiors with high-performance offices, meeting rooms and event spaces. Australian businesses can choose from private offices, dedicated desks, hot desks and virtual office solutions, all supported by thoughtful amenities such as concierge services, enterprise-grade technology, curated events and quality end-of-trip facilities.
For companies searching on sidespace.com.au for The Great Room in Sydney or comparable premium coworking spaces, these locations deliver an impressive setting for client meetings, team collaboration and executive-level work. The Great Room appeals to Australian businesses that value design, service and flexibility, providing a sophisticated alternative to traditional office leases. With a focus on community, networking and productivity, The Great Room’s Sydney coworking spaces are ideal for established firms, project teams and growing businesses seeking a standout CBD address and an elevated everyday workplace experience.
sidespace.com.au market insights
This office is priced at $1,200/desk/mo — above the Sydney average of $1,144/desk/mo by 18%. There are 729 serviced offices currently available across Sydney.
Per desk per month, all-inclusive · Sydney
Number of offices by desk price bracket · Sydney
This property is in the $1,200 bracket
Data based on 729 active serviced office listings across Sydney. Updated May 2026.
sidespace.com.au area insights
Sydney is located in Sydney's inner metropolitan area, with 4 transport options nearby. There are 139+ amenities within walking distance.
Nearest transport options from this property
Town Hall Station
Train station
George Street Light Rail
Tram / Light rail
Wynyard Station
Train station
Martin Place Station
Train station
Within 1km walking distance
Streets intersecting or near Castlereagh Street
Area data for Sydney, NSW. Updated May 2026.
Office space at The Great Room ranges from $3,000 to $16,800 per month, depending on team size and configuration. That works out to $1,000 – $1,200 per desk per month. Pricing is all-inclusive — rent covers your private office, internet, utilities, and access to shared facilities.
The Great Room offers offices for 3 to 14 people across 6 available configurations. Whether you're a small team or scaling up, there are flexible options to suit your needs.
The Great Room provides a range of amenities including 24/7 Security, After-hours Entry, Business Lounge, Concierge, End-of-Trip, Lift Access, and more. These facilities are designed to support productivity and make your workday more comfortable.
Get in touch! info@sidespace.com.au
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Get in touch! info@sidespace.com.au
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