The 5 most relevant sustainable architecture projects selected by the Holcim Foundation Awards 2025

For more than twenty years, the Holcim Foundation Awards have celebrated projects worldwide that promote a culture of sustainable building. The projects awarded with the Gran Prize have finally been revealed.

The Holcim Foundation Awards 2025 are among the most important international recognitions dedicated to sustainable architecture and construction. This year’s twenty winning projects – spanning Asia to the Americas, Europe to Africa – showcase innovative visions of building, aligned with Holcim’s commitment to an integrated approach to sustainability. Through research and initiatives such as Essential Homes, developed in collaboration with the Norman Foster Foundation, Holcim continues to advocate for a holistic vision of sustainable living.

This year’s 20 winners use the right materials in the right places, bring communities into the process from day one, and design with nature as an ally.

Laura Viscovich, Executive Director of the Holcim Foundation

The awarded projects range from community schools, like the Brookside Secondary School by Studio Contra in Nigeria, to large-scale urban regeneration initiatives, such as The Southern River Parks in Madrid by Aldayjover Architecture and Landscape, and the transformation of vast abandoned infrastructures, including a former brick factory in Pristina, Kosovo, now converted into an art and technology center.

Among the awardees is Domus 2025 guest editor Bjarke Ingels, recognized for his concept of a “Mindfulness City,” and there are as many as two Spanish projects representing the European region. What unites these projects, even if not yet realized, is that “they are inspiring because the solutions they offer are replicable and implementable. This year’s 20 winners use the right materials in the right places, bring communities into the process from day one, and design with nature as an ally.”

During a ceremony in Venice, the Grand Prizes have been announced—an additional recognition granted to five of the twenty winning projects. This new format replaces the gold, silver, and bronze medals of previous editions.

The selection has been made by international juries chaired by Sou Fujimoto, Kjetil Trædal Thorsen, Sandra Barclay, Lina Ghotmeh, and Jeanne Gang.

On November 20, at the Piccolo Teatro dell’Arsenale in Venice, the Holcim Foundation has announced the 5 projects winning the Grand Prize—one for each region—, selected as the most representative. Domus was present at the event and will soon report on it in detail, through the voices of its protagonists.

In the meantime, here are this edition’s Grand Prize winners:

• Asia Pacific – Old Dhaka Central Jail Conservation – Dhaka, Bangladesh | Form.3 Architects

• Europe – Art-Tek Tulltorja – Pristina, Kosovo | Rafi Segal A+U, Office of Urban Drafters, Org Permanent Modernity, Studio Rev

• Middle East and Africa – Qalandiya: The Green Historic Maze – Qalandiya, Palestinian Territory | Riwaq – Centre for Architectural Conservation

• Latin America – Schools for Flood-Prone Areas – Porto Alegre, Brazil | Andrade Morettin Arquitetos Associados, Sauermartins

• North America – Moakley Park – Boston, MA, United States | Stoss Landscape Urbanism

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