Skip to main content
Client Logo

121 King William Street, Adelaide SA

121 King William Street

$1,800

$900/desk

Key Property Information

Availability

Property Overview

121 King William Street, Adelaide SA

  • Premium Serviced Offices
  • Flexible Terms For Growth
  • Prime City Locations

Stay close to your most important clients with a workspace in the heart of the action. Our attractive 121 King William Street offices are ideal for businesses looking to base themselves in Adelaide's prestigious legal and financial district.

When you need a breather, take a visit to nearby Rundle Mall, a pedestrianised retail hub filled with a wide selection of stores. And explore the city's many after-work entertainment options, with pubs, bars and live music in plentiful supply.

About Regus

Regus provides premium, fully serviced office solutions tailored for businesses of every size across Australia, from startups and freelancers to established enterprises. With an extensive network of locations in major hubs like Sydney, Melbourne, Brisbane, Perth, Adelaide, and beyond, Regus offers private offices, coworking spaces, dedicated desks, and flexible hot-desking options on terms that fit any schedule—by the hour, day, month, or longer. Enjoy move-in-ready setups complete with high-speed Wi-Fi, ergonomic furniture, professional reception services, fully equipped kitchens, breakout areas, and access to bookable meeting rooms and conference facilities equipped for seamless presentations and hybrid meetings.

Scale effortlessly without the burdens of traditional leasing, as Regus handles utilities, maintenance, cleaning, and admin support so you can focus on growth and productivity. Benefit from prime business addresses in Australia's key commercial districts, vibrant networking opportunities within a global community, and the freedom to expand or relocate as your needs evolve. Regus delivers a professional, hassle-free environment that supports innovation, collaboration, and work-life balance for today's dynamic Australian businesses.

Market Insights

sidespace.com.au market insights

This office is priced at $900/desk/mo — above the Adelaide average of $782/desk/mo by 10%. There are 89 serviced offices currently available across Adelaide.

Average desk price by suburb

Per desk per month, all-inclusive · Adelaide

Dulwich
$900
Port Lincoln
$900
Victor Harbor
$900
Mawson Lakes
$900
Wayville
$900
Adelaide
$782
This area
Walkerville
$325

Desk price distribution

Number of offices by desk price bracket · Adelaide

1 offices
5 offices
14 offices
6 offices
5 offices
58 offices
$300
$500
$600
$700
$800
$900

This property is in the $900 bracket

Data based on 89 active serviced office listings across Adelaide. Updated April 2026.

Area Information

sidespace.com.au area insights

Adelaide is located in Adelaide's inner metropolitan area, with 4 transport options nearby. There are 101+ amenities within walking distance.

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

Nearby amenities

Within 1km walking distance

Cafes & Restaurants
62
Gyms & Fitness
10
Childcare
3
Banks & Post
14
Medical & Pharmacy
8
Supermarkets
4

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

Area data for Adelaide, SA. Updated April 2026.

Frequently asked questions about 121 King William Street

Office space at 121 King William Street ranges from $1,800 to $18,000 per month, depending on team size and configuration. That works out to $900 – $900 per desk per month. Pricing is all-inclusive — rent covers your private office, internet, utilities, and access to shared facilities.

121 King William Street offers offices for 2 to 20 people across 6 available configurations. Whether you're a small team or scaling up, there are flexible options to suit your needs.

121 King William Street is located at 121 King William Street, Adelaide SA. The Adelaide location offers excellent accessibility for both employees and clients, with flexible workspace solutions in a well-connected area.

Serviced offices at 121 King William Street offer flexible lease terms, typically available on month-to-month or short-term agreements. This flexibility allows your business to scale up or down as needed without long-term commitments.

Get in touch about this listing

By submitting an enquiry, you agree to our Privacy Policy and Terms of Use

Property ID 550633 Last updated 20 February 2026

Get in touch! info@sidespace.com.au

© Sidespace Pty Ltd

Cookie preferences

We use cookies to improve your experience, analyse site traffic and personalise content. You can manage your preferences at any time.

Manage preferences

Essential

Required for the site to function

Always on

Analytics

Helps us understand how you use the site

Marketing

Used for targeted advertising