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
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 | Atlassian Central | 182.6 m / 599 ft | |
4 | 88 Walker | 179.4 m / 589 ft | |
5 | Metro Grand Residences | 170 m / 558 ft | |
6 | Metro Spire Residences | 155 m / 509 ft | |
7 | Parkline Place | 154.6 m / 507 ft | |
8 | Lumiere | 152 m / 499 ft | |
9 | 107 Mount Street | 148 m / 486 ft | |
10 | Darling Square North | 135 m / 443 ft |
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 | Atlassian Central | Sydney | 2026 |
183 m / 599 ft |
42 | Office / Hotel |
5 | 88 Walker | Sydney | 2023 |
179 m / 589 ft |
50 | Office / Hotel |
6 | Metro Grand Residences | Sydney | 2014 |
170 m / 558 ft |
40 | Residential |
7 | Metro Spire Residences | Sydney | 2014 |
155 m / 509 ft |
37 | Residential |
8 | Parkline Place | Sydney | 2024 |
155 m / 507 ft |
38 | Office |
9 | Lumiere | Sydney | 2007 |
152 m / 499 ft |
47 | Residential |
10 | 107 Mount Street | Sydney | - |
148 m / 486 ft |
37 | Office |
11 | Darling Square North | Sydney | 2019 |
135 m / 443 ft |
41 | Residential |
12 | Brookfield Place Sydney | Sydney | 2021 |
133 m / 437 ft |
34 | Office |
13 | The Hyde | Sydney | 2010 |
120 m / 394 ft |
34 | Residential |
14 | Optus Plaza | Sydney | 1992 |
120 m / 394 ft |
29 | Office / Retail |
15 | Fraser Suites | Sydney | 2006 |
115 m / 377 ft |
33 | Residential |
16 | Metro View Residences | Sydney | 2014 |
107 m / 351 ft |
27 | Residential |
17 | 161 Sussex Street Redevelopment | Sydney | 2016 |
103 m / 338 ft |
26 | Office / Hotel / Exhibition |
18 | 20 Martin Place | Sydney | 1970 |
88 m / 289 ft |
20 | Office / Retail |
19 | Ark | Sydney | 2010 |
82 m / 269 ft |
21 | Office |
20 | The Miller | Sydney | 2019 |
74 m / 243 ft |
23 | Residential / Serviced Apartments |
21 | Iglu Brisbane City | Brisbane | 2016 |
73 m / 240 ft |
23 | Residential |
22 | Sub Station No. 164 | Sydney | 2021 |
57 m / 187 ft |
14 | Office |
23 | 50 Martin Place | Sydney | 2014 |
56 m / 184 ft |
12 | Office |
24 | Darmo Hill | Surabaya | - |
- |
39 | Residential |
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