| Completed | 1967 | 15 William Street completed: 21 floors |
Each cost is the estimate on that record. Stages of a project often repeat its full value, so these don't add up to what was spent.
| 02 Dec 2025 | Level 5 - Alterations to an office | $90k |
| 16 Oct 2025 | Spec Suites - Level 2 and Level 13 - Stage 2: Fitout works | $7.4m |
| 12 Sept 2025 | Stage 2 - Level 19 and 20 - Partial reinstatement & fit out work | $4.4m |
| 27 June 2025 | Spec Suites - Level 2 and Level 13 - Demolition of Tenancies | $7.4m |
| 06 Mar 2025 | Level 20 - Infill of structural slab penetrations and reinstatement of topping slab to level 20 | $4.4m |
| 22 Jan 2025 | level 5 - Internal Office Alterations for AAT | $4k |
| 19 July 2024 | Stage 2 - Fitout | $4.3m |
| 11 July 2024 | Office fitout works | $270k |
| 11 July 2024 | Part Level 10 (5) - Internal Alteration to Offices | $624k |
| 14 June 2024 | Alterations to an Existing Building | $0 |
| 14 June 2024 | Change of signage throughout ground floor | $9k |
| 31 May 2024 | Alteration - Ground Floor Lobby Works - Stage 1 | $428k |
| 27 May 2024 | Level 13 & 14 Amenities Refurbishment Including Lift Lobbies - Alterations | $1.1m |
| 13 May 2024 | Level 7 - Office Tenancy fitout | $600k |
| 12 Jan 2024 | Level 11, 15 William Street - Alterations to Existing Building | $66k |
| 04 Dec 2023 | Level 10 - minor tenancy works - reception fit out | $120k |
| 29 Nov 2023 | Alterations to an existing building | $2k |
| 29 June 2023 | Level 12 - Alterations to existing building, partition fitout | $503k |
| 06 June 2023 | Stage 2 - Partition Fitout to Level 12 | $88k |
| 30 May 2023 | Alterations to Existing Fire Doors | $27k |
| 18 May 2023 | Stage 1 - Alterations to sanitary facilities to ground floor lobby. | $833k |
| 03 May 2023 | MINOR INTERNAL ALTERATIONS TO OFFICE | $27k |
| 28 Nov 2022 | Stage – 2 - Level 3 (Part – Lobby & Northeast Tenancy) - Balance of works (Including tenancy split & fitout works) | $1.1m |
| 12 Aug 2022 | Fitout of exisiting office | $224k |
| 26 May 2022 | Level 9 - Proposed office Fit-out (no change of use) | $11k |
| 12 May 2022 | Level 12 - Alterations to existing building | $1.3m |
| 11 May 2022 | Base Building Refurbishment Project | $1.1m |
| 19 Nov 2021 | Internal alterations to existing building – Level 5 (Part) - Installation of New Lobby Autosliding doors | $16k |
| 08 June 2021 | Level 5 - Internal Office Alterations | $41k |
| 01 Feb 2021 | Cafe Tenancy - 15 William Street Melbourne | $0 |
| 02 Dec 2020 | Level 14 - Office Alterations | $0 |
| 22 June 2020 | Level 15 & 16. Office fitout | $13k |
| 16 June 2020 | Installation of Card Reader to EOT Accessible Sanitary Facility | $0 |
| 19 Mar 2020 | Stage Two – To Permit All Services Works and Updates to Architectural Works | $414k |
| 03 Mar 2020 | Shop 1A & 1B - To allow the new minor internal fitout inside of the existing tenancy | $200k |
| 24 Jan 2020 | Level 17 - Proposed Internal Office Fitout for AirWallex | $414k |
| 26 Nov 2019 | Alterations to Level 7, 15 William St, Melb | $741k |
| 25 Nov 2019 | Sentia Childcare | $1.2m |
| 16 Nov 2019 | Alterations to Level 7, 15 William St, Melb | $7.6m |
| 23 Sept 2019 | Deletion of Fire Hose Reels | $6.9m |
| 26 July 2019 | Alterations to Service Excluding Fire Hydrants and Fire Hose Reels on Levels 17-20 - Variation | $6.9m |
| 14 June 2019 | Level 11 - Office Fitout | $36k |
| 15 Apr 2019 | Alterations to Service Excluding Fire Hydrants and Fire Hose Reels on Levels 17-20 | $6.9m |
| 05 Apr 2019 | Alterations to Service Excluding Fire Services on Levels 19 and 20 | $6.9m |
| 29 Mar 2019 | Level 17-20 - Office Fitout | $6.9m |
| 26 Feb 2019 | Sentia Refurbishment - Alteration | $98k |
| 22 Jan 2019 | Levels 17-20 - Internal Alterations | $4.4m |
| 14 Dec 2018 | Internal Office Fitout for Dassault Systemes | $50 |
| 10 Dec 2018 | AAT Tenancy Fit-Out | $750k |
| 04 Dec 2018 | Ground Floor - Proposed Make Good Works to Existing Cafe | $105k |
| 06 Aug 2018 | Level 15 & 16, Tenancy Fitout - 15 William street | $6.3m |
| 02 July 2018 | Level 11 - Alteration | $418k |
| 07 Feb 2018 | Level 4, 5, 8 & 11 - Alterations to existing building | $9.7m |
| 30 Jan 2018 | Level 11 - Proposed office fitout | $36k |
| 20 Dec 2017 | Level 15 & 16 - Alterations | $2.5m |
| 12 Oct 2017 | Alterations - New Pram Store | $6k |
| 15 Sept 2017 | Level 11 - Office fit out for CBRE | $16k |
| 21 Aug 2017 | Level 12 - Proposed office fitout | $550k |
| 08 June 2017 | Level 14 - Internal fit out of existing building | $11k |
| 24 Mar 2017 | Level 10 (Part) - Charles River Fitout - Internal Alterations to Existing Office | $310k |
| 22 Feb 2017 | Alterations - Level 11 (Part) Stage 1 Return to Base Build - Variation - Conditional | $1.2m |
| 14 Feb 2017 | Level 10, Proposed office tenancy establishment works | $50k |
| 13 Jan 2017 | Level 6 - Fit-out of level 6 offices - Cognizant | $1.1m |
| 10 Jan 2017 | Shop 5A - Strip out of existing Cafe | $10k |
| 09 Dec 2016 | Alterations - Level 11 (Part) 15 William Street Melbourne | $1.2m |
| 26 Oct 2016 | Level 6 - Proposed tenancy establishment works | $90k |
| 20 Sept 2016 | Level 6 - Fit-out of level 6 offices - Cognizant | $1.1m |
| 02 Sept 2016 | Shop LG09 - Viet Pho & Asian Cuisine Pty Ltd Shop Fitout | $146k |
| 19 Aug 2016 | Level 4 - Refurbishment | $1.1m |
| 19 Aug 2016 | Level 6 - Proposed office fitout - Senversa | $185k |
| 01 Aug 2016 | Level 12 - Partial Refurbishment | $1.0m |
| 12 July 2016 | Level 14 - Alterations to First Aid Room | $19k |
| 08 July 2016 | Level 6 - Proposed tenancy establishment works | $90k |
| 04 July 2016 | Level 6 - Proposed office fitout - Senversa | $185k |
| 30 June 2016 | Levels 5,6 & 8 - Proposed office tenancy make good works | $3.4m |
| 24 June 2016 | Level 9 - Proposed Internal Office Fitout - Mediabrands | $2.0m |
| 13 Apr 2016 | Level 9 - Proposed Internal Office Fitout - Mediabrands | $2.0m |
| 14 Jan 2016 | Proposed Internal Office Fitout | $900k |
| 23 Dec 2015 | Level 8 - Proposed Office Fit-Out | $115k |
| 10 Dec 2015 | Level 10, Proposed office tenancy establishment works | $50k |
| 01 Dec 2015 | Level 1 Proposed alterations to an existing office tenancy | $44k |
| 27 Nov 2015 | Demolition of a kitchen - Restauant | $10k |
| 25 Nov 2015 | Levels 13 & 14 - Alterations to Existing Office - First State Super | $179k |
| 12 Nov 2015 | L7 - Proposed office fitout to existing tenancy | $1.2m |
| 29 Oct 2015 | Level 16 - DECOMMISSIONING OF VESDA SYSTEM AND INSTALLATION OF SPRINKLER HEADS TO EXISTING OFFICE LEVEL | $3k |
| 22 Oct 2015 | level 2 - proposed installation of a single inter-tenancy wall | $10k |
| 25 Aug 2015 | End of Trip Facility - Alterations - 15 William Street Melbourne | $1.5m |
| 28 May 2015 | Level 7 Proposed Office Fitout for Slade Group | $288k |
| 11 May 2015 | Level 10 - Office Tenancy Make Good | $911k |
| 06 Feb 2015 | Internal alterations to part Level 11 and Level 19, 15 William Street Melbourne | $14k |
| 22 July 2014 | Level 12 Proposed alterations to existing tenancy | $61k |
| 19 May 2014 | Fitout Level 14 | $766k |
| 19 Mar 2014 | Levels 17 & 18 alterations to existing office tenancy | $40k |
| 01 Nov 2013 | Alterations to existing office tenancy levels 17, 18 & 19 | $248k |
| 13 Sept 2013 | Office fitout Level 7 | $160k |
| 10 May 2013 | Internal Office Fitout Alterations & Construction of an interconnecting stair - Levels 13 & 14 | $1.6m |
| 20 Aug 2012 | Internal office fitout Level 14 | $96k |
| 20 Aug 2012 | Office fitout Level 14 (First State Super) | $119k |
| 04 June 2012 | Alterations to office tenancy Level 12 | $22k |
| 29 May 2012 | Office partition alterations to Tenancy Level 12 | $69k |
| 04 Apr 2012 | Proposed Internal Tenancy Fitout for Subway (Shop LG06). | $66k |
| 03 Nov 2011 | Alterations EM & Exit Light Upgrade | $383k |
| 26 Oct 2011 | Office alterations Levels 2-6 | $390k |
| 09 Aug 2011 | Internal alterations Level 8 | $77k |
| 04 Mar 2011 | Alterations to Level 10 | $77k |
| 08 Feb 2011 | Variation - Alterations to Level 10 | $0 |
| 27 Oct 2010 | Stage 2: LEVEL 8 & 9 - SUNCORP ALTERATIONS. Services Only | $192k |
| 22 Oct 2010 | LEVEL 8 & 9 - SUNCORP ALTERATIONS | $192k |
| 21 Oct 2010 | Pitcher Partner tenancy alterations - Level 17 | $134k |
| 09 Sept 2010 | Level 6: office fit out. | $25k |
| 09 Feb 2009 | An office fitout on level 7 at 15 William Street Melbourne | $14k |
| 02 Feb 2009 | Health Super Ammendment to Level 14 Lift Lobby Door | $25k |
| 23 Jan 2009 | Relocation of the Emergency Warning Intercom System (EWIS). Lower ground floor 15 William Street | $4k |
| 24 Apr 2008 | Relocate 1 sprinkler head & Install 2 sprinkler heads Level 7 | $4k |
| 27 Mar 2008 | Office partition fitout to Level 7 | $130k |
| 14 Dec 2007 | Tenancy alterations Part Level 7 | $50k |
| 20 Sept 2007 | Next Digital, alterations to an existing building, office fitout to Level 8 (part). | $14k |
| 06 Aug 2007 | Office tenancy internal alterations to Level 17 (part). | $85k |
| 23 July 2007 | Stainless Steel/Glass Handrail. Installed an external handrail & balustrade to office Ground Floor. | $32k |
| 29 May 2007 | New demountable partition wall Level 3 | $4k |
| 13 Dec 2006 | Health Super Tenancy Fitout. Alterations to office, Level 14. | $580k |
| 31 Mar 2006 | Varaiation Stage 2 - Architectural, structural, services; Alterations to child minding facility & extra carpark from lower ground floor to Level 4A, Level 5 for assembly building | $5.8m |
| 22 Mar 2006 | Stage 2: Services only. Office fitout alterations to an existing building on level 7 part | $60k |
| 16 Feb 2006 | Ground floor tenancy - cafe fitout (architectural only) to Cafe Clerici | $300k |
| 14 Feb 2006 | Stage 1: Internal alteration works excluding services (level 7 part), office fitout alterations to an existing building | $60k |
| 31 Jan 2006 | Stage 2 - Architectural, structural, services; Alterations to child minding facility & extra carpark from lower ground floor to Level 4A, Level 5 for assembly building | $5.8m |
| 25 Jan 2006 | Stage 1 - Stripout; Alterations to child minding facility & extra carpark from lower ground, Level 1, Level 1A, Level 2, to Level 2A | $5.8m |
| 17 Jan 2006 | Stage 2 - Services & structural works, cafe 'clerici' - ground floor; Cafe/retail alterations | $300k |
| 07 Oct 2005 | Ground floor tenancy - cafe fitout (architectural only) to Cafe Clerici | $300k |
| 10 Aug 2005 | Office fitout alterations to an existing building. | $122k |
| 10 June 2005 | Stage 2 - Tenancy fitout -Levels 17,18,19,20 | $155k |
| 03 June 2005 | office partitioning fitout to level 11 | $450k |
| 20 May 2005 | construction of a new sign | $130k |
| 10 May 2005 | Alterations Shop 8 | $10k |
| 10 May 2005 | Alterations to building. Full fitout of shop LG8 (newsagency) | $50k |
| 10 May 2005 | Alterations to level 14 office | $1.2m |
| 10 May 2005 | Royal Sun Alliance Fitout - Office, Levels 8,9 & 10 | $1.9m |
| 22 Apr 2005 | Alterations to a building; Office fitout level 7 | $550k |
| 06 Apr 2005 | Stage 1 - Stair penetration for Inter- Tenancy Stair-Levels 17,18,19,20 | $155k |
| 29 Mar 2005 | Stage 1b: early works package - construcion of L1 computer /communications room and construction of L2 - serivces only | $3.0m |
| 29 Mar 2005 | Stage 2 - Final Conditional -Internal alterations to Level 1 and Levels 3-6 | $3.0m |
| 18 Mar 2005 | Internal alterations to part of existing level 11 office | $130k |
| 07 Jan 2005 | Office fitout to level 8 no. 15 William Street. | $160k |
| 21 Dec 2004 | Fitout Level 13 | $125k |
| 15 Nov 2004 | Install underawning sign | $2k |
| 10 Nov 2004 | Stage 1- Architectural early works Construct Level 1 computer room and Level 2 fitout | $3.0m |
| 03 Sept 2004 | New stair and office fitout to level 11, 15 & 16. Stage 2: fitout works including new internal stair connecting level 15 & 16 (excludes fire hydrant and fire hose reel locations) | $3.3m |
| 01 Sept 2004 | New stair and office fitout to level 11, 15 & 16. Stage 1: Investigation Works on level 16. Taking back carpet, scabbling of concrete, replacement with concrete. | $3.3m |
| 07 May 2004 | Alterations to building. AMSA office fitout Level 13. | $145k |
| 02 Apr 2004 | Internal alterations Level 2 | $800k |
| 02 Mar 2004 | Office partition fitout Level 13. Stage 1 - Construction of partitions. | $448k |
| 30 Jan 2004 | Tenancy fitout of Shop - Satay Bar, LG1A | $9k |
| 02 Dec 2003 | Internal Shop Fitout Works (Excludes Shopfront) at Michael''s & B - Lower Ground - Tenancy 6a | $44k |
| 17 Oct 2003 | Shop fitout - Boost Juice - Tenancy 6 | $90k |
| 17 Oct 2003 | Shop fitout Tenancy 4 | $150k |
| 18 Aug 2003 | Tenancy fitout of Shop 9 | $28k |
| 09 July 2003 | Hudson Coffee Store Fitout. Ground Floor | $145k |
| 18 June 2003 | Office Refurbishment. Stage 1 - Structural, Architectural and Services - Office Refurbishment | $73.6m |
| 31 Oct 2001 | REMOVAL OF FIRE HYDRANT, LAY FLAT CANVAS FIRE HOSES | $300 |
| 10 Apr 2001 | stage 1A; internal demolition works for office refurbishment: demolition of annexe bldg to Monash House | $5.5m |
| 20 Apr 2000 | Installation of alarm signalling equipment | $190 |
Is 15 William Street residential or commercial?
15 William Street is a commercial building. The City of Melbourne lists its main use as office.
When was 15 William Street built?
15 William Street was completed in 1967.
How many floors does 15 William Street have?
15 William Street has 21 floors above ground.
What businesses are in 15 William Street?
The latest council census counted 16 businesses in 15 William Street, including Administrative Appeals Tribunal, Airwallex Pty Ltd and Chatorey – The Indian Streetory.
Is there office or retail space for lease in 15 William Street?
See the commercial listings on this page, or search this address on realcommercial.com.au and commercialrealestate.com.au.
Who designed and built 15 William Street?
Techne Architecture + Interior Design designed 15 William Street. The building team section has the sources.
What public transport is near 15 William Street?
Southern Cross Railway Station is the nearest train station, about 7 minutes' walk. The nearest tram stop is Melbourne Aquarium/Flinders St #2, about 2 minutes' walk.
What is the planning zone for 15 William Street?
The site is in the Capital City Zone - Schedule 1 (CCZ1).
Does 15 William Street have an owners corporation?
Plan of subdivision TP809868 has 1 lot.
Has any work been done on 15 William Street recently?
The City of Melbourne has issued 106 building permits for 15 William Street since 2001. The most recent was in June 2025.
Sources: City of Melbourne building permits (CC BY 4.0); CLUE building information (CC BY 4.0); CLUE business establishments (CC BY 4.0); Geocoded National Address File (G-NAF) (Open G-NAF EULA (CC BY 4.0 based)). General information from public records, not legal, financial or building advice.
