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F.A.Q: Transitional urbanism and co-creation process

What is transitional urbanism in the Jardin des Nations?

As a prelude to a real estate project, the Jardin des Nations will host, from summer 2021 and for a period of 3 years, a concept of transitional urbanism. Through sustainable development, in a participative, innovative and responsible approach, the project aims to transform the transitional period of this 40’000m2 space into a dynamic place for the activation of local life.

The Jardin des Nations will be a cultural, eventful and interactive rallying point, accessible to all: vegetable gardens, refreshment stands, places to relax, co-creation workshops and a cultural space unique in Switzerland, will make this Garden a formidable link between the international community and the people of Geneva. The Jardin offers a new transitional living space that aims to outline the contours of our new world: more sustainable, more responsible, more inclusive and more collaborative.


How long will transitional urbanism last?

The transitional urbanism project, Jardin Des Nations, started on August 28, 2021 and will end at the end of December 2024, approximately 3 years.


What will happen after transitional planning?

The Jardin des Nations will be the site of a real estate project from early 2025.



  • To unify worlds within Geneva: bringing together the communities of international Geneva with local Geneva, and the people of Geneva with urban developers.
  • To spread a culture of trust and renew the practice of co-construction of our city
  • To encourage people to live more inclusively and sustainably within their neighbourhood, their city, their gardens, their culture, their products and embrace the collaborative ideas.
  • To help young local entrepreneurs grow
  • To bring new social development concepts and projects to the city
  • To propose the future of this space and our neighbourhoods
  • To contribute to the proliferation of ideas by providing a centrally located space which is designed to accommodate interactions, discussions and collaboration


Who are you collaborating with on the project?

The concept of transitional urbanism of the Jardin des Nations is built upon a collaborative approach and integrates various local persons and groups in order to allow for opportunities for them to influence the development of their activity.

We have chosen to work with Geneva-based associations and entrepreneurs in order to offer them, for three years, a place of experimentation and development for their respective activities. More information on the ecosystem of the Jardin des Nations can be found here.


Who are the project leaders?

The Steiner Investment Foundation is the project owner.

The Steiner Investment Foundation is an independent and autonomous company whose corporate purpose is to manage assets with innovative and sustainable investment solutions in the field of new real estate, exclusively for Swiss occupational pension funds. The Steiner Investment Foundation is based in Zurich-Oerlikon on Hagenholzstrasse.

Steiner SA is the project developer and manager of the transitional urbanism project.

Steiner AG is one of the leading project development companies and one of the largest total and general contractors (T&G) in Switzerland. The company offers comprehensive services in the fields of new construction, renovation and property development. Founded in 1915, it has completed more than 1,500 residential projects, 540 commercial buildings, 45 hotels and 200 other infrastructure projects such as universities, schools, hospitals, retirement homes and prisons. Steiner AG is headquartered in Zurich and has branches in Basel, Bern, Geneva, Tolochenaz and Lucerne.


What is the co-creation process?

The Jardin des Nations will launch an innovative platform for transitional urbanism to collaboratively create a transformation for the future of this space. This site will be dedicated to dialogue between citizens and urban developers to build the city of tomorrow, to elevate the standard of living in one’s neighbourhood, city, consumption, transportation and nature. The Jardin des Nations will be an incubator for constructive ideas and a nursery for collaboration, establishing a culture of trust and renewing the practice of urban planning by creating innovative developments across our cities and neighbourhoods. More information on the co-creation process here.


Can I participate in the co-creation workshops?

If you are interested in participating in the co-creation process, you can contact the Jardin’s team:


How can I keep up to date with the results of the co-creation workshops?

The website will be regularly updated to reflect the development and progress of the co-creation process and information will also be circulated via social networks and the newsletters, which you can sign up for directly from the Jardin’s website.