6 offices available
From $2,500 /mo
2-25+ people
People
3-14
Size
13-60 m²
Level
29
From
$3,150/mo
24/7 Access
Air Con
Breakout Space
Cleaning
Flex Terms
Furnished
Availability
SS-2635 offices · 3 to 14 people 2 available now Updated 2 Oct 2026
| Office | Aspect | Price /mo | Enquire | |
|---|---|---|---|---|
| Suite 23.24 13 m² From Dec 2026 | 3 | Internal | $3,150 | |
| Suite 23.22 16 m² From Jan 2027 | 4 | Internal | $3,600 | |
| Suite 29.18 24 m² | 6 | Internal | $6,300 | |
| Suite 23.04 50 m² From Dec 2026 | 12 | External | $12,000 | |
| Suite 23.13 60 m² | 14 | External | $16,800 |
Prices are per office, per month.
Need space for a larger team?
Availability changes frequently, and Industrious often has more offices than are listed here. The largest office listed takes 14 people, and bigger teams are often placed by combining suites. Pick your team size and we will check what is free right now.
How many people?
Why this building
Castlereagh Street CBD Address
Town Hall Station Proximity
Teams 3-14 People Capacity
The building
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.
Read more
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.
Key facts
| Product | Serviced offices |
| Operator | Industrious |
| Address | 85 Castlereagh Street, Sydney NSW 2000 |
| Level | 29 |
| Offices available | 5 |
| Team sizes | 3-14 |
| Office sizes | 13-60 m² |
| From | $3,150 /mo all-inclusive |
| Terms | Flexible · all-inclusive |
| Reference | SS-263 · listed on Sidespace, updated 2 Oct 2026 |
Included
6 star NABERS Energy
24/7 Access
Air Con
Breakout Space
Cleaning
Flex Terms
Furnished
Kitchen
Mail Handling
Meeting Rooms
Phone Booths
Printing
Reception Svcs
+ 10 more
Location
Connecting streets
Streets intersecting or near Castlereagh Street
George Street
Pitt Street
Elizabeth Street
Kent Street
York Street
Clarence Street
Sussex Street
Market Street
King Street
Transport & access
Nearest transport options from this property
QVB
Light rail stop
250m
St James Station
Train station
250m
Martin Place Station
Metro station
350m
Darling Harbour
Ferry wharf
750m
How 85 Castlereagh Street compares
Serviced desk rates, all-inclusive, per month · as at 22 October 2026
This building
$1,050
median of 5 priced suites
Sydney
$1,008
282 suites
Sydney market
$1,000
512 suites
Priced suites at 85 Castlereagh Street sit at a median of $1,050 a desk, 4% above the Sydney suburb median of $1,008 and 5% above the wider Sydney market median of $1,000.
The operator
About Industrious
View all Industrious locations ›
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.
More offices for lease nearby
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Frequently asked questions
How much is office space at 85 Castlereagh Street, Sydney?
$3,150 to $16,800 a month is the current all-inclusive range at 85 Castlereagh Street, Sydney, across 5 available suites.
What does that work out to per desk at 85 Castlereagh Street, Sydney?
$900 to $1,200 per desk per month, based on the 5 priced suites listed at 85 Castlereagh Street, Sydney and the headcount each is sized for.
What size offices are available at 85 Castlereagh Street, Sydney?
5 private offices are listed at 85 Castlereagh Street, Sydney, suiting 3 to 14 people, measuring 13 to 60 m².
When is office space at 85 Castlereagh Street, Sydney available?
1 of the 5 listed offices is available at 85 Castlereagh Street, Sydney, with the next from 1 December 2026.
What is included in the rent at 85 Castlereagh Street, Sydney?
One monthly price covers 24/7 Access, Air Con, Breakout Space, Cleaning, Flex Terms, Furnished, plus utilities and internet, there is no separate outgoings bill on a serviced office.
How do you get to 85 Castlereagh Street, Sydney?
250m from the QVB light rail stop, and 250m from St James Station. It sits between George Street and Pitt Street.
Who operates 85 Castlereagh Street, Sydney?
Industrious operates the 5 serviced offices listed at 85 Castlereagh Street, Sydney.
