The Commons 121 Castlereagh Street, Sydney From $8,400/mo Availability Building
The Commons
For Lease Serviced
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The Commons Castlereagh Street · Sydney

121 Castlereagh Street, Sydney

Serviced offices by The Commons
People
4–18
Available
5 suites
From
$8,400/mo
24/7 Access Reception Reception Svcs Air Con Cleaning Building Wifi

Availability

SS-436 · verified 29 Apr 2026
4 Person Office
4 Person Office
4 people
POA
Available now
8 Person Office
8 Person Office
8 people
$8,400/mo
Available now
9 Person Office
9 Person Office
9 people
$10,575/mo
Available now
16 Person Office
16 Person Office
16 people
$20,000/mo
Available now
18 Person Office
18 Person Office
18 people
$20,700/mo
Available now
Need space for a larger team?
Teams of 18+ can be accommodated — combined suites and full floors, availability changes regularly.
18+ people

Why this building

Heart Of Castlereagh Street CBD Premium workspace in Sydney, available now.
Premium Furnished Private Offices Offices for teams of 4 to 18 people with flexible terms.
Town Hall Station Proximity 5 offices available – contact Sidespace to arrange an inspection.

The building

Read more

Included

24/7 Access Reception Reception Svcs Air Con Cleaning Building Wifi Meeting Rooms Furnished

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

Town Hall Station Train station
200m
George Street Light Rail Tram / Light rail
150m
Wynyard Station Train station
400m
Martin Place Station Train station
500m

The operator

About The Commons

The Commons is a managed workspace operator with office space available at 121 Castlereagh Street, Sydney. Contact Sidespace to learn more about their portfolio.

View all The Commons locations ›

Frequently asked questions

How much does it cost to rent office space at 121 Castlereagh Street, Sydney?
Office space at 121 Castlereagh Street, Sydney starts from $8,400/mo. Pricing varies by suite size — contact Sidespace to get current availability and a quote tailored to your team.
How many people can 121 Castlereagh Street, Sydney accommodate?
Offices at 121 Castlereagh Street, Sydney can accommodate from 4 to 18 people. Contact Sidespace to discuss requirements for larger teams — combined suites and full floors can be arranged.
Where is 121 Castlereagh Street, Sydney located?
121 Castlereagh Street, Sydney is located in Sydney, NSW. The building is known as The Commons Castlereagh Street.
Is parking available at 121 Castlereagh Street, Sydney?
Contact Sidespace for information about parking options near 121 Castlereagh Street, Sydney.
Are offices currently available at 121 Castlereagh Street, Sydney?
There are currently 5 offices available at 121 Castlereagh Street, Sydney. Contact Sidespace to arrange inspections.
From $8,400/mo