Rotterdam-based architectural firm KAAN Architecten, in collaboration with FRES architectes, has been awarded the competition to design CERN’s Building 140, which will become the new nerve centre of the Mayrin campus in Geneva, located on the French-Swiss border. An innovative project that will house laboratories, workshops, classrooms and offices while taking on the role of a link between the main areas of CERN. 

The design embodies CERN’s commitment to creating a unified architectural identity, already envisaged in Building 777 on the Prévessin campus, which will facilitate collaboration and establish an international benchmark for innovation and knowledge sharing.

KAAN Architecten's project follows a pragmatic approach and proposes a compact complex, prioritising flexibility, rationality, the integration of different activities, optimising the form of each function and integrating them into a unified structure. 

The complex, with a total built area of ​​approximately 15,600 m², will be built in two phases: the first, planned for 2029, focuses on the Experimental Physics Department (EP), creating new office spaces, laboratories and workshops for the Detector Technologies group (EP-DT), which is essential for the research process; and the second, planned for 2033, which will begin after the demolition of the old buildings, will contain the educational and training services, with the creation of the CERN Learning Centre.

 Building 140 CERN Meyrin by KAAN Architecten. Rendering by KAAN Architecten

Building 140 CERN Meyrin by KAAN Architecten. Rendering by KAAN Architecten.

Project description by KAAN Architecten

Building 140 will enhance the area's urban identity by gathering several of CERN's key activities in a state-of-the-art sustainable building. The design connects laboratories, workshops, learning and office spaces in a new modern hub for the Meyrin site.

Located on the French-Swiss border, CERN, the European Laboratory for Particle Physics, houses cutting-edge particle accelerators, including the renowned Large Hadron Collider (LHC). This facility enables groundbreaking experiments conducted by over 17,000 scientists from institutions worldwide. Since the 1950s, CERN has evolved into a vibrant campus. It is now entering a transformative phase under the CERN Master Plan 2040, and Building 140 plays a pivotal role in this process, serving as a focal point for redefining the Meyrin campus. Together with Building 777 on the Prévessin campus, it embodies CERN's commitment to creating a unified architectural identity, fostering collaboration, and setting a world-class benchmark for innovation and knowledge sharing.

Edificio 140 CERN Meyrin de KAAN Architecten. Visualización por KAAN Architecten.
 Building 140 CERN Meyrin by KAAN Architecten. Rendering by Filippo Bolognese.

Positioned prominently at the heart of CERN’s Meyrin site, Building 140 will serve as a central and highly visible landmark, strengthening the connection between key areas of the campus. Its strategic location near the main entrance underscores its role as a crucial gathering point for the CERN community and a symbol of the site's ongoing architectural evolution. Following a pragmatic approach, the design is compact, direct, and simple, focusing on optimising the shape for each function and integrating them into a unified structure. This project is a significant step towards enhancing the campus's character and replacing outdated buildings. With a gross floor area of approximately 15,600 m², the design accommodates expanding services while reflecting CERN’s commitment to scientific excellence and collaboration. KAAN Architecten’s approach prioritises flexibility, functionality, rationality, and integrating diverse activities within a consistent architectural form.

Building 140 CERN Meyrin by KAAN Architecten. Rendering by KAAN Architecten.  Edificio 140 CERN Meyrin de KAAN Architecten. Visualización por KAAN Architecten.
 Building 140 CERN Meyrin by KAAN Architecten. Rendering by Filippo Bolognese.

The project will be developed in two phases. Phase one focuses on the Experimental Physics (EP) Department, providing office space, laboratories, and workshops for the Detector Technologies (EP-DT) group. This phase is crucial for advancing research capabilities, ensuring that the EP department is equipped with state-of-the-art facilities designed to cultivate innovation and adaptability. The office areas encourage collaboration and idea exchange, positioning the building as a centre for CERN’s scientific community. Phase two will begin after demolishing existing buildings. It will centralise the learning and training services, establishing the CERN Learning Center. It will also accommodate part of the International Relations (IR) sector, a Plenary room for the CERN Directorate (DG), and a cafeteria. The building’s facades are designed to integrate harmoniously with the surrounding landscape while ensuring future sustainability. The facade concept features a modular grid system that supports various programme types, enriching the flexibility and adaptability of interior spaces.

"This project presents an opportunity to establish Building 140 as a distinct landmark that embodies a multidisciplinary architectural approach, optimising resources and prioritising environmental sustainability. It reflects CERN’s excellence as a centre for research and innovation, extending the campus development beyond its traditional underground focus to create a meaningful presence above ground." 

Kees Kaan, founding partner of KAAN Architecten.

More information

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Architects
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KAAN Architecten (lead design architect). FRES Architectes (lead project architect).

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Project team
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- Project team (KAAN Architecten): Javier Cuartero, Sebastian van Damme, Renata Gilio, Narine Gyulkhasyan, Aleksandar Hrib, Sophie Ize, Aida Jalili, Kees Kaan, Jan Teunis ten Kate, Bo Kuiper, Marco Lanna, Yinghao Lin, Jannik Niewiadomski, Vincent Panhuysen, Dikkie Scipio. Amir Shokouhi, Joeri Spijkers.
- Project team (FRES Architectes): Miguel Andreu, Laurent Gravier, Sara Martín Cámara.

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Collaborators
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Landscape Architect.- B + B, Amsterdam, The Netherlands.
Cost controller & quantity surveyor.- TEKHNE, Geneva, Switzerland.
MEP engineer advisor.- Gruner AG, Basel, Switzerland.
Electrical engineering.- BETELEC, Geneva, Switzerland.
Fire engineer.- INEXIS, Paudex, Switzerland.
Structural engineering.- T-Group, Geneva, Switzerland.
Sustainability advisor.- SuReal, Brussels, Belgium.
Building physics.- SuReal, Brussels, Belgium.
Acoustics.- PEUTZ, Grenoble, France.
Façade engineering.- EPPAG, Münchenstein, Switzerland.
Geotechnical advisor.- GADZ, Geneva, Switzerland.

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Client
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CERN, the European Laboratory for Particle Physics.

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Area
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GFA.- 15,559 m².

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Dates
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Competition phase.- 2024.
Design phases.- 2024 - 2026.
Delivery (expected) Phase 01.- 2029.
Delivery (expected) Phase 02.- 2033.

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Location
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Meyrin site, Geneva, Switzerland.

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Renderings
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Filippo Bolognese.

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KAAN Architecten is a Dutch architectural firm based in Rotterdam, São Paulo, and Paris, with over 30 years of experience in a wide range of scales and typologies. Kees Kaan, Vincent Panhuysen and Dikkie Scipio founded KAAN Architecten in 2014.

Through a collaborative and analytical design approach, KAAN Architecten promotes quality, pragmatism, and the Dutch building traditions of sustainability and welfare. This is further refined by merging practical and academic expertise, which supports their response to the increasingly challenging complexities and contradictions of the built environment.

Led by Kees Kaan, Vincent Panhuysen and Dikkie Scipio, the firm comprises an international team of architects, landscape architects, urban planners, engineers, and graphic designers. KAAN Architecten believes that cross-pollination between projects and disciplines fosters the essential critical discourse within the firm.

Since its establishment, KAAN Architecten has engaged in a diverse array of projects within both the public and private sectors. Over time, project teams have evolved to become progressively multidisciplinary and dynamic. Their unwavering focus is on fostering a culture of continual evolution, recognising this paramount approach in a profession that undergoes rapid transformation.

At the heart of KAAN Architecten’s philosophy is the belief that all projects acquire distinctive character through an architecturally curated layered dialogue involving all stakeholders. This approach extends to developing enduring relationships with clients, consultants, and partners. In this collaborative journey, each project becomes an opportunity for meaningful engagement, achieving architectural solutions that resonate with the diverse voices and perspectives involved.

· From 1988 until 2013, Kees Kaan was the founding partner of Claus en Kaan Architecten. Kaan graduated from the Faculty of Architecture at TU Delft in 1987. Since 2006 he has been a professor of Architectural Design at TU Delft and initiator of the Complex Projects Chair, launched in 2012. The Chair's research focuses on large-scale projects that characterise this era of rapid global urbanisation. In 2019 Kaan was appointed Chairman of the Architecture Department. Moreover, he has been a Principal Investigator at the Amsterdam Institute for Advanced Metropolitan Solutions (AMS) since 2016. Kees Kaan is a lecturer and member of various juries and boards in the Netherlands and abroad. Numerous books and exhibitions have been dedicated to his body of work. In June 2024, Kees Kaan was officially inducted as a member of the Académie d'Architecture.

· Vincent Panhuysen brings expertise and vision to each project he undertakes. His impact on the architectural landscape is profound, with a diverse portfolio encompassing court buildings, university centres, governmental and cultural institutions, crematoriums, and apartment complexes. Panhuysen's approach to design is marked by a deep commitment to the entire process, from conceptualisation to construction. While he values functionality and clarity, his architectural ethos transcends passing trends, emphasising a timeless elegance rooted in relaxed functionalism. Central to his design philosophy is a dedication to creating spaces that prioritise spaciousness and clear organisation, hallmarks evident in the work of KAAN Architecten. His role as a visiting professor at Delft University of Technology further underscores his commitment to shaping the future of architecture through education and mentorship. For his special and careful guidance in the renovation of the Provinciehuis of North-Brabant, Vincent Panhuysen was awarded the "Commissarispenning", a medal of merit from the Commissioner of the King Wim van de Donk, in 2015.

· Dikkie Scipio has been trained in various disciplines. She holds a master’s degree in applied arts, industrial, and interior design from the Royal Academy of Arts in The Hague and afterwards qualified as an architect at the Rotterdam Academy of Architecture. Simultaneously, she owned a gallery in Amsterdam and a design studio in Utrecht. Scipio’s training allows her to lead work, ranging from large-scale master plans in urbanism and architecture to furniture and interior design, from the initial concept to execution. She is an expert in managing complex projects and processes, with a particular focus on museums and heritage renovation. Scipio is also a writer, columnist, international lecturer, and a member of several boards and juries. As a spokeswoman for integrated art and craftsmanship in architecture, her views have been featured in many publications and documentaries. Since 2019, she has been a professor at the Münster University of Applied Sciences, where she holds a chair in Architectural Design. In 2023 Dikkie Scipio was recognised as Woman Architect of the Year by the Prix des Femmes Architectes.



KAAN Architecten ©Casper Rila

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Published on: February 1, 2025
Cite: "A world-class benchmark. Building 140 CERN Meyrin by KAAN Architecten" METALOCUS. Accessed
<http://www.metalocus.es/en/news/world-class-benchmark-building-140-cern-meyrin-kaan-architecten> ISSN 1139-6415
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