505 George Street
© ingenhoven architects / Doug and Wolf

505 George Street

ingenhoven architects as Architects

ingenhoven architects from Düsseldorf and architectus from Sydney were selected for an award for their project 505 George Street at the MIPIM real estate fair

At a planned height of 270 meters, 505 George Street by ingenhoven architects and architectus will be the highest residential building in Sydney; on March 13, the project received the well-known MIPIM / The Architectural Review Future Project Award in the context of the MIPIM real estate fair in Cannes. “Friendly Neighbor”—the focus of the design by the German / Australian team of architects is on an ecologically sustainable tower block with a convincing urban living concept. With its slender shape and elliptical footprint, the building was assessed in the Tall Buildings category and will integrate harmoniously in the existing neigborhood. ingenhoven architects and architectus received the award jointly with the Australian clients Mirvac and Coombes Property Group.


“This award means a lot to me—our two practices share this success. We already successfully cooperated with architectus from Sydney on 1 Bligh, Australia’s first really green tower block. For our latest team project at 505 George Street we are again aiming for an ambitious benchmark in terms of sustainability. We were able to convince the jury of the MIPIM / The Architectural Review Future Project Awards with the design for a super-slender residential high-rise building that features low energy consumption, provides generous public space, and presents itself as a “friendly neighbor” in the neighborhood. The Future Project Awards program also reminds me of the fact that we received this award already back in 2005 for our design of Stuttgart Main Railway Station. Now, 14 years later, I am happy to be able to reconnect with that success”, says Christoph Ingenhoven, founder and principal of ingenhoven architects from Düsseldorf.


Architectus CEO Ray Brown said, “We are very excited to be collaborating again with ingenhoven architects on this transformative project for Sydney and to receive this prestigious award. Our practices share a passion for sustainable design and complex urban projects of which 505 George will be an exemplar. It will be a low energy high rise building that will create an engaging public space and make a positive contribution to the city. The tower will present as a singular elegant form on the skyline with the vertical structure emphasising height and slenderness while the curving facade addresses views in all directions.”


In cooperation with MIPIM, the Future Project Awards of the British journal, The Architectural Review, honor innovative and exemplary projects worldwide that are awaiting implementation in the future. This prestigious award program is now in its 18th year and awards winning projects in twelve categories.


About the project

The award-winning project, 505 George Street in Sydney, is a 79-story signature tower which will be the highest residential building in the city and will not only be a landmark that can be seen from afar, but will also represent a commercially viable development with strong sustainable, ecological, and social credentials. The outstanding characteristics of the project are its slender, elegant design and the appropriate combination of different functions such as housing, hotel, retail premises, leisure facilities, and day nurseries; the building will contribute significantly to public life in the neighborhood.


The very prominent location of the building in Sydney’s Central Business District led to a facade design that primarily emphasizes the unobstructed view to the outside. The result is a simple but elegant single-skin facade with external sun shading devices and balconies. In keeping with ingenhoven architects’ supergreen® sustainability aspirations, special attention was paid to energy consumption and the environmental impact of the project. Examples are the maximized use of daylight and the harnessing of energy with the help of tilted facade elements on the north facade as hybrid solar collectors, amongst other devices. Each of these individual elements can generate electricity and heat water for domestic use, while at the same time preventing the building from overheating. Intelligent cooling systems are used on the south facade.


The range of materials is based on the idea of pure and non-composite materials, which are available in the region and typical of the local architecture. Choosing such materials does not only make sense in terms of the locality-based esthetic, but also in terms of the significantly shorter transport distances and the associated saving of energy. All proposed facade and building materials were chosen with regard to sustainability, durability, and authenticity in order to create a timeless and “healthy” building. They include sand-colored fair-faced concrete, sand-colored precast concrete elements, low-iron glazing, and anodized aluminum for the facade, mirror-finished stainless-steel cladding, venetian blinds, and recycled timber for terrace decks. A particular structural system was developed for the building consisting of a post-tensioned flat slab concrete floor construction with a perimeter column grid, which enables the design of efficient space concepts. The lateral bracing of the building consists of a reinforced concrete core structure with outriggers and perimeter belt trusses at three levels throughout the height of the building.

Project team
Green Building and facade design
Landscape design
Green Building and facade design
Structural design
The Bergeron Centre for Engineering Excellence
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90-94 York Blvd, North York, ON M3J, Canada - Build completed in 2016
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