4 offices available
91 King William Street
From $3,206 /mo
3-15+ people
This office
10 person office
People
10
Rent
$8,100/mo
Per desk
$810/mo
People
2-15
Available
5 suites
From
$1,620/mo
24/7 Access
Reception
Reception Svcs
Air Con
Cleaning
Building Wifi
Availability
SS-473
10 Person Office This page
10 10 people
$8,100/mo
Available now
Need space for a larger team?
15+ people
Why this building
King William Street Address
Premium workspace in Adelaide.
Adelaide Station Proximity
Offices for teams of 2 to 15 people with flexible terms.
CBD Professional Precinct
5 offices available, contact Sidespace to arrange an inspection.
The building
Adelaide's central business district gains a sophisticated workspace hub with Cubes.Co's serviced offices for lease at 100 King William Street. This premium Adelaide location positions growing businesses within South Australia's commercial heart, where flexible office space meets the city's evolving professional landscape.
The thoughtfully designed interiors blend modern furnishings with abundant natural light, creating an atmosphere that energises teams from startup founders to established enterprises. Reception services and fully equipped meeting rooms support seamless operations, while climate-controlled environments ensure year-round comfort for focused productivity.
King William Street's strategic position connects tenants to Adelaide's thriving business ecosystem, with Grenfell Street's legal precinct, Rundle Street's retail energy, and Currie Street's dining scene all within immediate reach. The proximity to Adelaide Station transforms interstate meetings and client connections into effortless commutes.
Private offices accommodate teams ranging from intimate two-person setups to expanding 15-member departments, making this Cubes.Co location ideal for businesses seeking scalable workspace solutions in Adelaide SA's most connected commercial address.
Read more
The thoughtfully designed interiors blend modern furnishings with abundant natural light, creating an atmosphere that energises teams from startup founders to established enterprises. Reception services and fully equipped meeting rooms support seamless operations, while climate-controlled environments ensure year-round comfort for focused productivity.
King William Street's strategic position connects tenants to Adelaide's thriving business ecosystem, with Grenfell Street's legal precinct, Rundle Street's retail energy, and Currie Street's dining scene all within immediate reach. The proximity to Adelaide Station transforms interstate meetings and client connections into effortless commutes.
Private offices accommodate teams ranging from intimate two-person setups to expanding 15-member departments, making this Cubes.Co location ideal for businesses seeking scalable workspace solutions in Adelaide SA's most connected commercial address.
Key facts
| Product | Serviced offices |
| Operator | Cubes.Co |
| Address | 100 King William Street, Adelaide SA 5000 |
| Offices available | 5 |
| Team sizes | 2-15 |
| From | $1,620 /mo all-inclusive |
| Terms | Flexible · all-inclusive |
| Reference | SS-473 · listed on Sidespace 27 Apr 2026 |
Included
24/7 Access
Reception
Reception Svcs
Air Con
Cleaning
Building Wifi
Meeting Rooms
Furnished
Location
Connecting streets
Streets intersecting or near King William Street
Grenfell Street
Currie Street
Rundle Street
Pirie Street
Flinders Street
Waymouth Street
Franklin Street
Hindley Street
North Terrace
Transport & access
Nearest transport options from this property
Adelaide Station
Train station
200m
King William Street Tram
Tram / Light rail
100m
Grenfell Street Bus Stops
Major bus stop
150m
Currie Street Bus Stops
Major bus stop
200m
How 100 King William Street compares
Serviced desk rates, all-inclusive, per month · as at 5 October 2026
This building
$810
median of 5 priced suites
Adelaide
$700
50 suites
Adelaide market
$767
62 suites
Priced suites at 100 King William Street sit at a median of $810 a desk, 16% above the Adelaide suburb median of $700 and 6% above the wider Adelaide market median of $767.
The operator
About Cubes.Co
View all Cubes.Co locations ›
Cubes.Co is a managed workspace operator with office space available at 100 King William Street, Adelaide. Contact Sidespace to learn more about their portfolio.
More offices for lease nearby
4 offices available
More from Cubes.Co
Frequently asked questions
How much is office space at 100 King William Street, Adelaide?
$1,620 to $12,150 a month covers a private office at CorporateCubes Adelaide, all-inclusive, across 5 available suites. Rates at this centre are indicative, we confirm exact pricing on enquiry.
What does that work out to per desk at CorporateCubes Adelaide?
$810 per desk per month, based on the 5 priced suites listed at CorporateCubes Adelaide and the headcount each is sized for. Rates at this centre are indicative, we confirm exact pricing on enquiry.
What size offices are available at CorporateCubes Adelaide?
5 private offices are listed at CorporateCubes Adelaide, suiting 2 to 15 people.
When is office space at CorporateCubes Adelaide available?
5 of the 5 listed offices are available for occupation at CorporateCubes Adelaide.
What is included in the rent at CorporateCubes Adelaide?
One monthly price covers 24/7 Access, Reception, Reception Svcs, Air Con, Cleaning, Building Wifi, plus utilities and internet, there is no separate outgoings bill on a serviced office.
How do you get to CorporateCubes Adelaide?
200m from Adelaide Station, and 100m from King William Street Tram. It sits between Grenfell Street and Currie Street.
Who operates CorporateCubes Adelaide?
Cubes.Co operates the 5 serviced offices listed at CorporateCubes Adelaide.
