As award-winning consulting engineers, for over 60 years we’ve partnered with architects, developers, builders and project managers to tackle the most complex projects and engineer their vision.
A privately owned Australian company, our strong reputation exists due to our proven ability to produce innovative, economical and elegant designs in the public and private sector. We offer the benefits of scale with respective disciplines successfully delivering significant projects through structural, civil, traffic and façade engineering services. With offices located in Sydney, Melbourne, Canberra and Jakarta, we have delivered projects throughout Europe, Asia and the Middle East and continue to do award-winning work here.
Focusing foremost on the client’s goal, our design approach is customised for every project. Our solutions are enhanced by our dedicated and integrated teams' approach and the use of advanced engineering techniques for modern materials.
ONE TTW is our ethos, which encapsulates all the experienced, smart and creative people that make us who we are. We value; integrity, teamwork, innovation, communication, sustainability, and our community.
Civil Engineering
Please note that all heights shown in italics/red are estimated heights. These have been calculated based on known floor counts for the building, then extrapolated through analyzing typically hundreds of buildings of the same function on this database that do have confirmed heights. The user should be aware that non-standard building features, such as significant spires or raised entrances / podiums, may affect the accuracy of these estimations.
|
RANK
|
Name
|
Status
Completed Architecturally Topped Out Structurally Topped Out Under Construction On Hold Proposed Vision Never Completed Demolished Competition Entry Canceled Proposed Renovation Under Renovation Renovated Under Demolition |
Height
|
|---|---|---|---|
| 1 | Gama Tower | 285.5 m / 937 ft | |
| 2 | Aurora Place | 218.9 m / 718 ft | |
| 3 | Halo | 214 m / 702 ft | |
| 4 | Atlassian Central | 182.6 m / 599 ft | |
| 5 | 88 Walker | 179.4 m / 589 ft | |
| 6 | Metro Grand Residences | 170 m / 558 ft | |
| 7 | Metro Spire Residences | 155 m / 509 ft | |
| 8 | Parkline Place | 154.6 m / 507 ft | |
| 9 | Lumiere | 152 m / 499 ft | |
| 10 | 107 Mount Street | 148 m / 486 ft |
Please note that all heights shown in italics/red are estimated heights. These have been calculated based on known floor counts for the building, then extrapolated through analyzing typically hundreds of buildings of the same function on this database that do have confirmed heights. The user should be aware that non-standard building features, such as significant spires or raised entrances / podiums, may affect the accuracy of these estimations.
|
RANK
|
Name
|
Completion
|
Height
|
Floors
|
Function
|
|
|---|---|---|---|---|---|---|
| 1 | EX Tower | Jakarta | - |
441 m / 1,447 ft |
93 | Office |
| 2 | Gama Tower | Jakarta | 2016 |
286 m / 937 ft |
64 | Hotel / Office |
| 3 | Aurora Place | Sydney | 2000 |
219 m / 718 ft |
41 | Office |
| 4 | Halo | Sydney | 2030 |
214 m / 702 ft |
53 | Office |
| 5 | Atlassian Central | Sydney | 2027 |
183 m / 599 ft |
42 | Office / Hotel |
| 6 | 88 Walker | Sydney | 2023 |
179 m / 589 ft |
50 | Office / Hotel |
| 7 | Metro Grand Residences | Sydney | 2014 |
170 m / 558 ft |
40 | Residential |
| 8 | Metro Spire Residences | Sydney | 2014 |
155 m / 509 ft |
37 | Residential |
| 9 | Parkline Place | Sydney | 2024 |
155 m / 507 ft |
38 | Office |
| 10 | Lumiere | Sydney | 2007 |
152 m / 499 ft |
47 | Residential |
| 11 | 107 Mount Street | Sydney | - |
148 m / 486 ft |
37 | Office |
| 12 | Indi Sydney | Sydney | 2024 |
142 m / 465 ft |
39 | Residential |
| 13 | 378-398 Pacific Highway | Sydney | - |
140 m / 461 ft |
40 | Residential |
| 14 | Darling Square North | Sydney | 2019 |
135 m / 443 ft |
41 | Residential |
| 15 | Brookfield Place Sydney | Sydney | 2021 |
133 m / 437 ft |
34 | Office |
| 16 | The Hyde | Sydney | 2010 |
120 m / 394 ft |
34 | Residential |
| 17 | Optus Plaza | Sydney | 1992 |
120 m / 394 ft |
29 | Office / Retail |
| 18 | Fraser Suites | Sydney | 2006 |
115 m / 377 ft |
33 | Residential |
| 19 | Metro View Residences | Sydney | 2014 |
107 m / 351 ft |
27 | Residential |
| 20 | 161 Sussex Street Redevelopment | Sydney | 2016 |
103 m / 338 ft |
26 | Office / Hotel / Exhibition |
| 21 | 20 Martin Place | Sydney | 1970 |
88 m / 289 ft |
20 | Office / Retail |
| 22 | Ark | Sydney | 2010 |
82 m / 269 ft |
21 | Office |
| 23 | The Miller | Sydney | 2019 |
74 m / 243 ft |
23 | Residential / Serviced Apartments |
| 24 | Iglu Brisbane City | Brisbane | 2016 |
73 m / 240 ft |
23 | Residential |
| 25 | Encore | Sydney | 2003 |
65 m / 213 ft
Please note that this height is estimated, based on a floor count of 19 floors. The estimation has been arrived at by analyzing 9,733 other buildings of the same Residential function on this database that do have confirmed heights. The user should be aware that non-standard features, such as significant spires or raised entrances / podiums, may affect the accuracy of this estimation.
|
19 | Residential |
| 26 | Sub Station No. 164 | Sydney | 2021 |
57 m / 187 ft |
14 | Office |
| 27 | 50 Martin Place | Sydney | 2014 |
56 m / 184 ft |
12 | Office |
| 28 | Omnia | Sydney | 2018 |
53 m / 175 ft |
18 | Residential |
| 29 | Darmo Hill | Surabaya | - |
- |
39 | Residential |
Discover how vertical living is shaping the next generation of urban environments. Explore insights, research, and global leadership in vertical urban development