Workspaces

  • Bobigny
  • 2026
  • Work in progress
  • Bobigny
  • 2026
  • Work in progress
Bobigny Courthouse

PCA-STREAM has won the competition for the extension of the Bobigny courthouse by designing a building with a balanced monumentality, reaffirming without excessive theatricality the sacredness of justice. The new courthouse will offer a functional and exemplary building, embodying the idea of a justice of care.

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  • Paris — La Défense
  • 2025
  • Work in progress
  • Paris — La Défense
  • 2025
  • Work in progress
The Link

PCA-STREAM was tasked by Groupama to design an innovative tower that will renew the image of La Défense. Revisiting the model of the traditional tower, The Link is emblematic of the transformation of working practices and a new relation to the city. Its morphology in two wings connected to one another with platforms called “links” allows the tower to provide spaces that foster interactions and collective intelligence, and gives an unprecedented place to nature in a high-rise building.

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  • Paris
  • 2023
  • Delivered
  • Paris
  • 2023
  • Delivered
Stream Building

Covivio, Hines France, and PCA-STREAM have come together to create the Stream Building, a manifesto building located at the heart of the new Clichy-Batignolles district that integrates almost fifteen years of research by Stream Lab into innovations addressing the key challenges facing the cities of tomorrow. Circular by design, the Stream Building is a relational and productive hub that will energize this new urban center within the Greater Paris area by concentrating all the activities associated with a vibrant urban life.

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  • Paris
  • 2020
  • Delivered
  • Paris
  • 2020
  • Delivered
175 Haussmann

The restructuring of 175 Boulevard Haussmann is an opportunity to become involved in making Paris a resilient and innovative city, one that is capable of renewing and reinventing itself. PCA-STREAM brings together two separate buildings to create a coherent office complex geared toward the well-being of its users and collaborative work. An emblematic contemporary rooftop addition, characterized by its glass scales, acts as a practical and symbolical connector between the various buildings and architectural periods involved.

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  • Paris
  • 2020
  • Delivered
  • Paris
  • 2020
  • Delivered
175 Haussmann — Lazard

At 175 Haussmann, PCA-STREAM brought together two buildings to create a new cutting-edge office complex, completed by an emblematic contemporary extension, to house the headquarters of the Lazard bank. The interior design team created the public and reception areas, using hospitality codes and a combination of openness and confidentiality.

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  • Paris
  • 2018
  • Delivered
  • Paris
  • 2018
  • Delivered
15 Laborde

Located near the Saint-Lazare train station, these new-generation offices in a former military barracks combine the best of two architectural heritages. They offer a comfortable and prestigious workplace, turned towards nature and the well-being of its users, French law firm Gide-Loyrette-Nouel. The building's heritage is magnified and remodeled, enhancing its attractiveness and competitiveness, while helping to write a new page in the history of Paris's ever-changing urban fabric.

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  • Paris
  • 2018
  • Delivered
  • Paris
  • 2018
  • Delivered
8 Laborde — Gide Loyrette Nouel

PCA-STREAM has restructured the Pépinière military barracks to create the new Gide-Loyrette-Nouel law firm headquarters. Designed as a sign of the firm's renewed way of working, it emphasizes teamwork and exchange, with a focus on horizontality, transparency and hospitality.

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  • Paris
  • 2019
  • Delivered
  • Paris
  • 2019
  • Delivered
52 Champs-Élysées — Interiors

PCA-STREAM’s restructuring of 52 Champs-Élysées, the former Virgin Megastore, contributes to renewing the image and attractiveness of the Champs-Élysées. The imposing Streamline modern Art Deco building gains new coherence thanks to a magnification of its architectural style and a clarification of its program. It will host a Galeries Lafayette department store, high-end offices, and an exceptional garden restaurant overlooking Paris.

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  • Paris
  • 2023
  • Delivered
  • Paris
  • 2023
  • Delivered
Stream Café

At the heart of the Stream Building, PCA-STREAM's flagship project, the agency's interior architecture department has created the Stream Café, a reception area with hybrid uses that symbolizes the involvement of the Stream research program in the design of this unique complex, winner of the first Réinventer Paris call for innovative urban projects.

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  • Paris
  • 2019
  • Delivered
  • Paris
  • 2019
  • Delivered
52 Champs-Élysées

PCA-STREAM’s restructuring of 52 Champs-Élysées, the former Virgin Megastore, contributes to renewing the image and attractiveness of the Champs-Élysées. The imposing Streamline Modern Art Deco building gains new coherence thanks to a magnification of its architectural style and a clarification of its program. It will host a Galeries Lafayette department store, high-end offices, and an exceptional garden restaurant overlooking Paris.

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  • Paris
  • 2024
  • Work in progress
  • Paris
  • 2024
  • Work in progress
32-34 Marbeuf

In the heart of the Golden Triangle district, at 32–34 Rue Marbeuf, PCA-STREAM is reinventing the iconic Citroën dealership from the 1930s for Gecina, restored to its former glory with rejuvenated original architecture, innovative workspaces, and a full-fledged hanging garden on terraces that open out onto Paris.

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  • Lille
  • 2024
  • Work in progress
  • Lille
  • 2024
  • Work in progress
ShAKe

ShAKe offers the Euralille district an atypical and convivial silhouette, with a spiraling planted promenade topped by a belvedere. PCA-STREAM is rethinking the office building, opening it up to the city and its residents, to adapt to the changing face of an increasingly open-plan working world. The form of the building-promenade is an invitation to live and share.

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  • Paris
  • 2026
  • Work in progress
  • Paris
  • 2026
  • Work in progress
Bonne Nouvelle

At the heart of the Silicon Sentier, in the 10th arrondissement of Paris, PCA-STREAM is restructuring an imposing postal building from the 1950s following an ambitious approach both in terms of heritage and the environment. Adaptive reuse has enabled the building to now offer flexible, comfortable, and innovative spaces, complemented by high-end services, as well as exceptional outdoor spaces.

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  • Paris
  • 2020
  • Delivered
  • Paris
  • 2020
  • Delivered
15-25 Amiral Bruix

In the heart of the revitalized Porte Maillot district, PCA-STREAM revisits the Parisian modernist heritage and extends the city-nature dialogue. The agency’s intervention respects and enhances the architectural qualities of the original structure. On the north side, the façade grid is reinterpreted in a contemporary style inspired by its original rigorous layout. Designed as a balcony overlooking the Bois de Boulogne, it highlights the exceptional linear nature of the building with unobstructed views of the greater Parisian panorama.The new headquarters of Murex, the world leader in software for the financial markets, was designed above all to maximize interaction and collective intelligence, an essential function of a head office that has been reinforced by the health crisis. Spaces are streamlined and legible, and fluid circulation is ensured by a core of elevators and Chambord staircases on the first day. Employees meet and exchange ideas in a place conducive to informal dialogue.

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  • Paris
  • 2015
  • Delivered
  • Paris
  • 2015
  • Delivered
#cloud.paris

#cloud.paris stems from PCA-STREAM’s research and Société Foncière Lyonnaise’s ambitions. In the time and age of the intangible economy, its inner city location and its versatility coincides with the aspirations of the creative classes and the employees of high value-added industries, which are turning away from the single-use business centers of the periphery. Following heavy restructuring, this urban campus was designed as a relational ecosystem where the collective experience stimulates innovation and productivity.

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  • Ivry-sur-Seine
  • 2024
  • Work in progress
  • Ivry-sur-Seine
  • 2024
  • Work in progress
Ivry Confluences

With Ivry Confluences, located in a changing urban landscape featuring brownfield sites and eco-districts, PCA-STREAM is designing a symbol of the revitalization of the south end of Ivry-sur-Seine. In dialogue with the local industrial heritage, the studio reinterprets the morphology of railway halls to develop a new complex with exacting environmental standards. An exemplar of next-generation offices, Ivry Confluences takes an active part in adding to the vibrancy and diversity of the district thanks to its active base and an extensive garden that opens onto the city.

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  • Pré-Saint-Gervais
  • 2018
  • Delivered
  • Pré-Saint-Gervais
  • 2018
  • Delivered
Canopy

The Canopy project in Pré-Saint-Gervais is a rehabilitation of a brownfield site in the inner suburbs of Paris that offers next-generation work spaces. This project was first conceived by PCA-STREAM in 2005 but took more than ten years to come into being. The original proposal, which was to transform a former industrial hall in a open plan of atypical and innovative offices for creative businesses, has weathered the subprime mortgage crisis is finally materializing now that a new vision of the workspace has gained in acceptance.

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  • Paris
  • 2024
  • Work in progress
  • Paris
  • 2024
  • Work in progress
32-34 Marbeuf — Interiors

PCA-STREAM reinterprets Marbeuf, an emblematic Citroën garage from the 1930s, disfigured by successive transformations. The aim is to give it a new image and new uses by reinterpreting its original style, from its structure to the details of its fittings, translated by its interior design team.

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  • Paris
  • 2009
  • Delivered
  • Paris
  • 2009
  • Delivered
103 Grenelle

The former headquarters of the Telegraph, in the 7th arrondissement of Paris, offered an exceptional building whose image had been gradually degraded by its successive occupants. PCA-STREAM revamped the site and reinvigorated this heritage property through the installation of new workspaces. An in situ artistic creation also reactivates its intimate links with the history of French telecommunications.

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360

  • Paris
  • 2025
  • Work in progress
  • Paris
  • 2025
  • Work in progress
360

360 is part of the dynamic revitalization of the Plateau district and the future prospect of a pacification of the ring road. The project rehabilitates three office buildings from the 1980s that no longer meet current needs and expectations. Its remarkable location and accessibility, at the head of the ring road, at the border of Vanves and Paris, invited an ambitious rehabilitation to develop comfortable, efficient and innovative spaces, while adapting the building to contemporary environmental issues.

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  • Issy-les-Moulineaux
  • 2018
  • Delivered
  • Issy-les-Moulineaux
  • 2018
  • Delivered
Be Issy

PCA-STREAM has designed an energy-positive office building in Issy-les-Moulineaux, a service sector cluster that is undergoing major transformation. We were driven to revisit the form of a tripod by the specific nature of the plot and our ambition for environmental excellence. This bold morphology opens the building on the city by freeing up green areas, and it optimizes the energy footprint whilst providing a functional work environment that is focused on improving the well-being of its users.

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  • Paris
  • 2014
  • Delivered
  • Paris
  • 2014
  • Delivered
PCA-STREAM Office

PCA-STREAM takes its inspiration from its research on new workspaces, which are gathered in the second issue of the Stream book-magazine, “After Office,” in order to design its premises in the Marais, on the site of a former printing house. Designed as an ecosystem that brings together a variety of spaces for the use of a large multidisciplinary team, this place is the spatial embodiment of PCA-STREAM as well as a manifesto of its innovative vision of the work space.

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  • Paris
  • 2019
  • Delivered
  • Paris
  • 2019
  • Delivered
8 Penthièvre

PCA-STREAM is conducting the heavy restructuring of a real estate complex designed in the 1960s, tackling the obsolescence of an architecture that offers low-quality spaces in light of the new expectations of businesses. The façade is modernized and realigned on Rue de Penthièvre, and a new wing is formed at the end of the parcel, opening on a vast garden at the heart of the block. The intervention combines densification and the upgrading of workspaces, which are equipped with sunny, green terraces.

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  • Paris
  • 2019
  • Delivered
  • Paris
  • 2019
  • Delivered
8 Penthièvre — Interiors

PCA-STREAM's interior design department completed the architectural restructuring of a 1960s-era office complex with a tailor-made layout of offices and common areas for the lessee, a major luxury brand. Comfortable and functional, the project develops a high-end image through the quality of the materials, which are handcrafted.

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stream voices

Eager to share more generously the results of its collaborations and research, PCA-STREAM publishes STREAM VOICES, its online magazine!

Discover Stream Voices