Share This Listing

Message

965 characters remaining

Hmm, there seems to have been an error sending your message. Please try again.

Your email has been sent.

Still interested?

Contact the brokers for more information about this property

Highlights

  • Situated within an A Grade Melbourne CBD building with high-quality executive finishes.
  • Extensive coworking and private office options complemented by meeting rooms and breakout spaces.
  • Close walk to Flinders Street and Southern Cross Stations plus multiple tram lines.
  • Exceptional natural light on all sides with panoramic views of Yarra River and Southbank.
  • First-class end-of-trip amenities including showers, lockers, and secure bicycle storage.
  • On-site café, communal lounges, and a range of professional services to support business needs.

All Available Spaces(7)

Display Rental Rate as

  • Space
  • Size
  • Term
  • Rental Rate
  • Space Use
  • Build-Out
  • Available
  • 2nd Floor
  • 22,184 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 30 Days

This newly completed whole-floor opportunity at Level 2 combines expansive layouts with abundant natural light and private balcony access, providing an elevated workplace experience in Melbourne’s CBD. Featuring a pristine fit out, efficient floor plates, and premium finishes, this space is ideal for businesses seeking a turnkey solution in an A Grade building. Tenants benefit from secure 24/7 access, first-class end-of-trip facilities, and onsite concierge services. The location offers unmatched connectivity to Southern Cross and Flinders Street Stations, major tram routes, and a vibrant selection of retail, dining, and entertainment venues.

  • Fully Built-Out as Standard Office
  • Partitioned Offices
  • Natural Light
  • Fits 56 - 172 People
  • Balcony
  • Open-Plan
  • 3rd Floor
  • 8,439 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 30 Days

Ideal for mid-size occupiers, this Level 3 option delivers a versatile environment with existing fit out in place for a fast start. The space benefits from modern finishes, efficient layouts, and shared access to breakouts and collaboration zones. End-of-trip facilities, concierge service, and proximity to major tram routes create a seamless tenant experience, while the building’s location offers immediate access to Collins Street retail and Southbank’s hospitality precincts.

  • Fully Built-Out as Standard Office
  • Partitioned Offices
  • Open-Plan
  • Fits 22 - 66 People
  • Natural Light
  • 3rd Floor
  • 12,884 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 30 Days

Positioned within Melbourne’s premium CBD precinct, this partially fitted tenancy offers flexibility for businesses looking to move in with minimal downtime. The existing configuration supports open-plan work areas complemented by meeting rooms, while the option to clear the space allows for complete customization. Tenants enjoy strong natural light penetration, access to advanced building technology, and sustainability features including a 4.5 Star NABERS energy rating. Proximity to transport and nearby amenities further enhances workplace convenience.

  • Fully Built-Out as Standard Office
  • Partitioned Offices
  • Open-Plan
  • Fits 33 - 100 People
  • Natural Light
  • 7th Floor
  • 6,652 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 30 Days

An exceptional opportunity for smaller teams seeking a sophisticated presence in a prime CBD building. Level 7 features a brand new, high-quality fit out with contemporary designs that include dedicated meeting areas and collaborative work zones. Tenants can leverage advanced connectivity, security systems, and premium amenities throughout, supported by an easy commute courtesy of nearby train and tram links.

  • Fully Built-Out as Standard Office
  • Partitioned Offices
  • Open-Plan
  • Fits 17 - 52 People
  • Natural Light
  • 10th Floor
  • 5,317 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 30 Days

This fitted tenancy at Level 10 provides businesses with a polished and functional workplace ready for immediate occupation. Offering exceptional natural light and views over Melbourne’s evolving CBD core, this tenancy includes executive-level finishes, boardroom facilities, and open-plan working environments. Tenants benefit from superior building infrastructure, award-winning end-of-trip amenities, and the convenience of adjacent cafes and services.

  • Fully Built-Out as Standard Office
  • Partitioned Offices
  • Open-Plan
  • Fits 14 - 42 People
  • Natural Light
  • 13th Floor
  • 21,829 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 30 Days

Level 13 presents a full-floor, state-of-the-art office solution designed for modern organizational needs. With brand new construction and thoughtfully integrated finishes, the space offers outstanding efficiency for large occupiers. Generous natural light, panoramic views, and collaboration areas create a compelling environment for productivity and staff well-being. Positioned in one of Melbourne’s key commercial zones, the tenancy is steps from public transport and key lifestyle amenities.

  • Fully Built-Out as Standard Office
  • Partitioned Offices
  • Open-Plan
  • Fits 55 - 169 People
  • Natural Light
  • 14th Floor
  • 22,637 SF
  • Negotiable
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Full Build-Out
  • 30 Days

Featuring an established fit out, this expansive Level 14 tenancy provides immediate functionality for large-scale businesses. The space encompasses a variety of collaborative, managerial, and client-facing zones within an efficient layout. Tenants have access to underground car parking, high-quality end-of-trip facilities, and concierge services, while the building’s strategic location ensures connectivity to Melbourne’s major business and lifestyle hubs.

  • Fully Built-Out as Standard Office
  • Partitioned Offices
  • Open-Plan
  • Fits 57 - 176 People
  • Natural Light
Space Size Term Rental Rate Space Use Build-Out Available
2nd Floor 22,184 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 30 Days
3rd Floor 8,439 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 30 Days
3rd Floor 12,884 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 30 Days
7th Floor 6,652 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 30 Days
10th Floor 5,317 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 30 Days
13th Floor 21,829 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 30 Days
14th Floor 22,637 SF Negotiable Upon Request Upon Request Upon Request Upon Request Office Full Build-Out 30 Days

2nd Floor

Size
22,184 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
30 Days

3rd Floor

Size
8,439 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
30 Days

3rd Floor

Size
12,884 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
30 Days

7th Floor

Size
6,652 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
30 Days

10th Floor

Size
5,317 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
30 Days

13th Floor

Size
21,829 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
30 Days

14th Floor

Size
22,637 SF
Term
Negotiable
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office
Build-Out
Full Build-Out
Available
30 Days

2nd Floor

Size 22,184 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available 30 Days

This newly completed whole-floor opportunity at Level 2 combines expansive layouts with abundant natural light and private balcony access, providing an elevated workplace experience in Melbourne’s CBD. Featuring a pristine fit out, efficient floor plates, and premium finishes, this space is ideal for businesses seeking a turnkey solution in an A Grade building. Tenants benefit from secure 24/7 access, first-class end-of-trip facilities, and onsite concierge services. The location offers unmatched connectivity to Southern Cross and Flinders Street Stations, major tram routes, and a vibrant selection of retail, dining, and entertainment venues.

  • Fully Built-Out as Standard Office
  • Fits 56 - 172 People
  • Partitioned Offices
  • Balcony
  • Natural Light
  • Open-Plan

3rd Floor

Size 8,439 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available 30 Days

Ideal for mid-size occupiers, this Level 3 option delivers a versatile environment with existing fit out in place for a fast start. The space benefits from modern finishes, efficient layouts, and shared access to breakouts and collaboration zones. End-of-trip facilities, concierge service, and proximity to major tram routes create a seamless tenant experience, while the building’s location offers immediate access to Collins Street retail and Southbank’s hospitality precincts.

  • Fully Built-Out as Standard Office
  • Fits 22 - 66 People
  • Partitioned Offices
  • Natural Light
  • Open-Plan

3rd Floor

Size 12,884 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available 30 Days

Positioned within Melbourne’s premium CBD precinct, this partially fitted tenancy offers flexibility for businesses looking to move in with minimal downtime. The existing configuration supports open-plan work areas complemented by meeting rooms, while the option to clear the space allows for complete customization. Tenants enjoy strong natural light penetration, access to advanced building technology, and sustainability features including a 4.5 Star NABERS energy rating. Proximity to transport and nearby amenities further enhances workplace convenience.

  • Fully Built-Out as Standard Office
  • Fits 33 - 100 People
  • Partitioned Offices
  • Natural Light
  • Open-Plan

7th Floor

Size 6,652 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available 30 Days

An exceptional opportunity for smaller teams seeking a sophisticated presence in a prime CBD building. Level 7 features a brand new, high-quality fit out with contemporary designs that include dedicated meeting areas and collaborative work zones. Tenants can leverage advanced connectivity, security systems, and premium amenities throughout, supported by an easy commute courtesy of nearby train and tram links.

  • Fully Built-Out as Standard Office
  • Fits 17 - 52 People
  • Partitioned Offices
  • Natural Light
  • Open-Plan

10th Floor

Size 5,317 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available 30 Days

This fitted tenancy at Level 10 provides businesses with a polished and functional workplace ready for immediate occupation. Offering exceptional natural light and views over Melbourne’s evolving CBD core, this tenancy includes executive-level finishes, boardroom facilities, and open-plan working environments. Tenants benefit from superior building infrastructure, award-winning end-of-trip amenities, and the convenience of adjacent cafes and services.

  • Fully Built-Out as Standard Office
  • Fits 14 - 42 People
  • Partitioned Offices
  • Natural Light
  • Open-Plan

13th Floor

Size 21,829 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available 30 Days

Level 13 presents a full-floor, state-of-the-art office solution designed for modern organizational needs. With brand new construction and thoughtfully integrated finishes, the space offers outstanding efficiency for large occupiers. Generous natural light, panoramic views, and collaboration areas create a compelling environment for productivity and staff well-being. Positioned in one of Melbourne’s key commercial zones, the tenancy is steps from public transport and key lifestyle amenities.

  • Fully Built-Out as Standard Office
  • Fits 55 - 169 People
  • Partitioned Offices
  • Natural Light
  • Open-Plan

14th Floor

Size 22,637 SF
Term Negotiable
Rental Rate Upon Request
Space Use Office
Build-Out Full Build-Out
Available 30 Days

Featuring an established fit out, this expansive Level 14 tenancy provides immediate functionality for large-scale businesses. The space encompasses a variety of collaborative, managerial, and client-facing zones within an efficient layout. Tenants have access to underground car parking, high-quality end-of-trip facilities, and concierge services, while the building’s strategic location ensures connectivity to Melbourne’s major business and lifestyle hubs.

  • Fully Built-Out as Standard Office
  • Fits 57 - 176 People
  • Partitioned Offices
  • Natural Light
  • Open-Plan

Property Overview

15 William Street is an A Grade commercial office building in Melbourne's central business district. It is located near the intersection of William and Collins Streets within a well-established office precinct. The building offers multiple floor levels of office accommodation and incorporates supporting infrastructure such as lifts, meeting spaces, and end-of-trip facilities. Transport access is provided through nearby tram stops and proximity to Flinders Street and Southern Cross train stations. The surrounding area comprises mixed-use developments, hotels, and retail outlets.

  • Bus Line
  • Day Care
  • Dry Cleaner
  • Fitness Center
  • Accent Lighting
  • Reception
  • Bicycle Storage
  • Natural Light
  • Open-Plan
  • Partitioned Offices
  • Secure Storage
  • Shower Facilities
  • Air Conditioning
  • End of Trip Facilities
  • Cafe
  • Locker Room
  • Shower Facilities

Property Facts

Building Type
Office
Year Built
1993
LoopNet Rating
4 Star
Building Height
20 Stories
Building Size
566,236 SF
Building Class
A
Typical Floor Size
26,964 SF
Parking
355 Covered Parking Spaces

Select Tenants

  • Floor
  • Tenant Name
  • Industry
  • 1st
  • Autodesk, Inc.
  • Professional, Scientific, and Technical Services
  • 6th
  • Cognizant
  • Professional, Scientific, and Technical Services
  • 12th
  • Dassault Systèmes
  • Information
  • 19th
  • Ebury
  • Finance and Insurance
  • 9th
  • Initiative Melbourne
  • Professional, Scientific, and Technical Services
  • Listing ID: 40930911

  • Date on Market: 6/16/2026

  • Last Updated:

  • Address: 15 William St, Melbourne, VIC 3000

Link copied
Your LoopNet account has been created!

Please Share Your Feedback

We welcome any feedback on how we can improve LoopNet to better serve your needs.
X
{{ getErrorText(feedbackForm.starRating, "rating") }}
255 character limit ({{ remainingChars() }} charactercharacters remainingover)
{{ getErrorText(feedbackForm.msg, "rating") }}
{{ getErrorText(feedbackForm.fname, "first name") }}
{{ getErrorText(feedbackForm.lname, "last name") }}
{{ getErrorText(feedbackForm.phone, "phone number") }}
{{ getErrorText(feedbackForm.phonex, "phone extension") }}
{{ getErrorText(feedbackForm.email, "email address") }}