From November 25, 2020, to February 22, 2026, the College of Architects of Catalonia (COAC) presents the temporary exhibition "Obra Oberta. Josep Lluís Mateo." Curated by María Figueras and Cristina Marcos in collaboration with mateoarquitectura, the exhibition offers a journey that invites visitors to discover Josep Lluís Mateo's creative process.

The exhibition presents a selection of works displayed freely, without a pre-established chronological order, encouraging visitors to create their own narrative. Through some twenty works, the exhibition invites viewers to rethink the architectural act as a constantly evolving practice, where the physical and the conceptual intertwine through processes, representations, and contexts.

“Obra Oberta. Josep Lluís Mateo” pays tribute to one of the most interesting international careers in architecture.. The exhibition curated by María Figueras and Cristina Marcos in collaboration with mateoarquitectura, focuses on the processes preceding the physical materialization of a work: drawings, texts, models, and photographs illustrate how an architectural idea is gradually developed.

“The practice of architecture involves the transformation of needs, ideas, dreams, and even delusions into physical and material objects. [...] We approach our work as an open work, each one yet to be discovered.”

Josep Lluís Mateo

ICIC offices by Josep Lluis Mateo. Photography by Adrià Goula.

ICIC offices by Josep Lluis Mateo. Photography by Adrià Goula.

Far from constructing a closed narrative, the exhibition reflects the itinerant journey that the architectural process entails. Through sketches, models, collages, documents, and personal reflections, “Obra Oberta” traces the path from attention to context to the realization of the architecture itself. It rejects repetitive formulas, instead embracing each project as a unique exploration.

The exhibition will be open until February 22, 2026, and will be accompanied by parallel activities, including guided tours, conversations with the author, and a publication.

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Exhibition
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«Obra Oberta. Josep Lluís Mateo».

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Curators
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ACTO.- María Figueras, Cristina Marcos + mateoarquitectura.- Josep Lluís Mateo, Anna Bayona.

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Organization
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Centre Obert d’Arquitectura.

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Graphic Design
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Gracias Grecia.

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Dates
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25.11 > 22.02.2026.

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Location
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Col·legi d’Arquitectes de Catalunya (COAC), Barcelona, Spain.

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Photography
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Adrià Goula, Ignasi Robleda.
Selection of pieces that can be found in the exhibition, courtesy of Mateo Arquitectura.

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Josep Lluís Mateo was born in Barcelona (1949) and graduated in Architecture in 1974 from the ETSAB, later obtaining his PhD (cum laude) from the Polytechnic University of Catalonia in 1994. He is also Professor Emeritus, Doctor of Architecture and Design at ETH Zurich (Swiss Federal Institute of Technology). He has taught and lectured at major academic institutions worldwide, including the Getty Foundation in Los Angeles (Scholar), the Berlin Sommer Akademie, and Harvard Graduate School of Design (Guest Professor), among others.

In 1991, he founded mateoarquitectura, a practice based in Barcelona that has developed a broad range of projects—office buildings, urban planning, public spaces, housing—always with a strong international focus. Mateo’s practice is currently involved in a number of local and international projects such as the new Film Theatre of Catalonia in Barcelona, the new headquarters for PGGM Pension Fund Company in Zeist, Holland, and the office building on the former site of Renault factories in Boulogne-Billancourt, Paris, among others.

With each of his projects, Mateo seeks to connect the practice of construction with research and development in both intellectual and programmatic terms. His work lies at the intersection between conceptual thinking and built reality, combining technical rigor with ongoing inquiry. His architecture has been widely published and exhibited globally, receiving numerous awards and honors. In 2011, he received the Aplus Award for Best Career Achievement; in 2019, DOMUS named him among the 100 best architecture studios worldwide; and in 2021, he was named Author of the Year by the Juanzong Archive Awards (China).

Among his most significant projects in Spain are the Toni Catany International Photography Center in Mallorca, the Barcelona International Convention Center (CCIB), the Filmoteca de Catalunya, the renovation and extension of the Mercat del Ninot in Barcelona, and the paving of the historic center of Ullastret. Internationally, his work includes the headquarters for PGGM in Zeist (Netherlands), La Factory office building in Boulogne-Billancourt, the ESMA School in Montpellier, and the Castelo Branco Cultural Center.

Academic collaborations and teaching:
Josep Lluís Mateo has been Professor of the Architecture Department at the Swiss Federal Polytechnic in Zurich (ETH-Z) since 2002. He has also taught and lectured at numerous institutions around the world, including Princeton, Columbia University in New York, the Harvard Graduate School of Design, ABK Stuttgart, UP8 Paris, OAF Oslo and ITESM Mexico. He was Visiting Scholar at the Jean P. Getty Center in Los Angeles from 1991 to 1992. Josep Lluís Mateo is President since 2009 of the Board of Directors of the Barcelona Institute of Architecture. He has been a member of a number of juries and expert committees, including the Quality Committee of Barcelona City Council (2000-2008), and for prizes such as the European Landscape Award and the Thyssen Award.

Recent exhibitions and prizes:
The practice’s work has been exhibited on numerous occasions thanks to its international influence. New York’s MoMA devoted a space in the exhibition “Spain: On Site” (2006) to its apartment building in Valencia for the Sociopolis Project. Individual exhibitions include those at Ras Gallery (Barcelona, 2009), Architekturgalerie Aedes (Berlin, 2004), Architekturzentrum Wien (Vienna, 1998), Col•legi d’Arquitectes de Catalunya (Barcelona, 1998),Galerie Fragner (Prague, 1998), Galerie Aedes (Berlin, 1994), Architekturgalerie Luzern (Luzern, 1992) and Architekturgalerie Munich (Munich, 1991).

The work of Josep Lluís Mateo has been awarded many prizes, including:
- Top International Purpose-Built Venue 2008, First Prize. Best International Convention Centre category.
Organized by C&IT magazine, London. Project: CCIB-Barcelona International Convention Centre
- 2008 Archizinc Award, First Prize. Collective Housing category. Project: Sant Jordi Students’ Hall of Residence, Barcelona
- European Union Prize for Contemporary Architecture - Mies van der Rohe Award 2005, Runner-up. Project: CCIB- Barcelona International Convention Centre
- 15th Award of Grupo Dragados de Arquitectura.

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ACTO. Founded in 2020 by internationally trained architects Cristina Marcos and María Figueras. ACTO was born in Barcelona as a practice that explores architecture beyond the built environment. Their approach combines the materiality of space with related disciplines from the creative and humanistic fields, such as publishing, curating, exhibition design, illustration, and academic research.

Their first built project, Casa Colorada in La Mesa, Colombia, was awarded the 2025 AJAC First Prize in the new construction category, a recognition granted by the Association of Young Architects of Catalonia for its architectural sensitivity and respectful dialogue with the surrounding environment.

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Published on: November 23, 2025
Cite:
metalocus, JOSÉ JUAN BARBA, AGUSTINA BERTA
"Each project, a unique exploration. «Obra Oberta. Josep Lluís Mateo» at the COAC" METALOCUS. Accessed
<http://www.metalocus.es/en/news/each-project-unique-exploration-obra-oberta-josep-lluis-mateo-coac> ISSN 1139-6415
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