France, Paris

Triangle

The first Parisian skyscraper of the 21st century
BESIX is delivering Triangle, a landmark 180-metre tower in Paris. Designed by Herzog & de Meuron, the mixed-use development combines architectural ambition with high environmental performance and low-carbon construction solutions.

Project overview

Commissioned by Unibail-Rodamco-Westfield (URW), Triangle is set to become the first Parisian skyscraper of the 21st century. Designed by Pritzker Prize-winning architects Herzog & de Meuron, the 180-metre-high tower will bring together offices, a conference centre, a health centre, a cultural centre, a crèche, a hotel and a restaurant. The project has been designed to achieve BREEAM Excellent (minimum), HQE Exceptional and Effinergie certifications while maintaining a controlled carbon footprint through the use of low-carbon and recycled materials.

Scope of works

BESIX is responsible for the construction of the tower and plays a central role in its engineering and delivery. BESIX Engineering, the company's in-house design office, developed the planning, logistics and construction methods to minimise impacts on local mobility, neighbouring communities and the operation of the Parc des Expositions. BESIX Engineering is also carrying out the structural execution studies and supporting the façade studies. Throughout the project, BESIX works closely with the project management team appointed by URW, including Setec, Egis and Artelia.

Key highlights

  • 180-metre-high mixed-use tower

  • Offices, conference, health and cultural facilities, a crèche, hotel and restaurant

  • Minimum BREEAM Excellent, HQE Exceptional and Effinergie targets

  • Geothermal systems, district heating, energy and heat recovery solutions

  • Bioclimatic façade and 1,000 m² of photovoltaic panels

  • At least 50% low-carbon concrete with reduced CO₂ emissions

  • Recycled materials used, including for the aluminium façades

Project details

Project nameTriangle
LocationParis, France
Building period2022 - 2026
SectorBuildings
Area of expertiseOffices, Hotels, Residential
Stakeholder(s)BESIX
ArchitectHerzog & De Meuron
Contract typeBuild
ClientUnibail-Rodamco-Westfield (URW)

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