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Highlights

  • Recently refurbished office floors with new carpets, flooring, and modern communal spaces.
  • Prime CBD location with immediate access to public transport, cafes, and dining options.
  • Premium End of Trip facilities and a vibrant lobby designed by an award-winning design firm.

All Available Space(1)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 21st Floor, Ste Large Offices
  • 140-560 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Partial Build-Out
  • Now

Available office spaces range from individual rooms to the option of leasing multiple suites at once. Each office enjoys natural light and panoramic city views, and comes furnished with an ergonomic desk, chair, and storage caddy. Common areas include meeting rooms with audiovisual capabilities, shared boardrooms, and a well-appointed kitchenette featuring a grind coffee machine. Tenants benefit from excellent transport connectivity by tram, bus, and train, as well as being close to Peel Street, Leigh Street, and other hospitality precincts.

  • Partially Built-Out as Standard Office
  • Space is in Excellent Condition
  • Central Air Conditioning
  • Wi-Fi Connectivity
  • Open-Plan
  • Mostly Open Floor Plan Layout
  • Plug & Play
  • Reception Area
  • Natural Light
Space Size Term Rental Rate Space Use Build-Out Available
21st Floor, Ste Large Offices 140-560 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Partial Build-Out Now

21st Floor, Ste Large Offices

Size
140-560 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Partial Build-Out
Available
Now

21st Floor, Ste Large Offices

Size 140-560 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Partial Build-Out
Available Now

Available office spaces range from individual rooms to the option of leasing multiple suites at once. Each office enjoys natural light and panoramic city views, and comes furnished with an ergonomic desk, chair, and storage caddy. Common areas include meeting rooms with audiovisual capabilities, shared boardrooms, and a well-appointed kitchenette featuring a grind coffee machine. Tenants benefit from excellent transport connectivity by tram, bus, and train, as well as being close to Peel Street, Leigh Street, and other hospitality precincts.

  • Partially Built-Out as Standard Office
  • Mostly Open Floor Plan Layout
  • Space is in Excellent Condition
  • Plug & Play
  • Central Air Conditioning
  • Reception Area
  • Wi-Fi Connectivity
  • Natural Light
  • Open-Plan

Property Overview

91 King William Street is a prestigious and prominent address, widely regarded as Adelaide’s premier office building located in the heart of the CBD. The iconic A-Grade tower features premium design elements and finishes, including a recently refurbished lobby with cafe and wine bar amenity as well as activated seating and communal work areas. The 31 level office tower has a central core design offering 360degree views across the CBD and column-free floorplates. Additionally, there is premium End Of Trip facilities, 54 basement car parks and a serviced office provider specialising in flex desks, coworking spaces and bookable meeting rooms.

  • Concierge
  • Restaurant
  • Security System
  • Wheelchair Accessible
  • Bicycle Storage
  • Direct Elevator Exposure
  • Natural Light
  • Open-Plan
  • Shower Facilities
  • Wi-Fi
  • Air Conditioning
  • On-Site Security Staff

Property Facts

Building Type
Office
Year Built
1989
Building Height
32 Stories
Building Size
447,779 SF
Building Class
B
Typical Floor Size
13,993 SF
Parking
54 Covered Parking Spaces
  • Listing ID: 40433215

  • Date on Market: 5/7/2026

  • Last Updated:

  • Address: 91 King William St, ADELAIDE, SA 5000

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