The restructuring of 175 Haussmann as part of the PCA-STREAM “urban metabolism” vision: reinterpreting Parisian architecture to build the city upon itself. 175 Haussmann had to respond to the changes in the way we work. The project thus pays particular attention to the design of service spaces, in the spirit of hotel lobbies, but also to furniture, which refers to aesthetic codes that are more domestic than purely tertiary. PCA-STREAM brings together two buildings, designing a new circulation core which brought about fluid and open floors offering a non-hierarchical horizontal distribution of teams. Widening the central courtyard has created a bright, convivial common space, housed under a large, triple-height glass dome. The restructuring was designed to foster a reconnection of the building and its users to nature. The windows are designed to be opened on the terraces and allow for natural ventilation, while an innovative dioptre façade reflects the natural light to the very bottom. With an exceptional panoramic view on Paris, the liveable landscaped terrace offers a wealth of uses in tune with the seasons, bringing a sensory dimension of biophilia to the complex. This green roof terrace uses an innovative vertical urban permaculture: a hydrological membrane as a vertical greening tool supports a complete ecosystem fed by organic matter, where micro-organisms and plants live symbiotically. The landscaping system optimizes management of the water resource, in particular through the integration of a greywater treatment system using the phyto-purification potential of plants. PCA-STREAM relied on the idea of raising the construction through the glass roof, characterized by its photovoltaic glass scales. It gives the identity of 175 Haussmann by integrating a contemporary feature into the historical and heritage context of the district. This singular space, midways between interior and exterior, becomes a tool for community-building.
175 Haussmann
PCA-Stream
Bronze

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Judith Haase
Architect
at Gonzalez Haase AAS
6
6
8
5
6.25

Jelle Sapulete
Design Director
at Adidas
6
6
7
5
6

Florian Seidl
Design Manager
at Lavazza
Looks stellar. I wonder how the lig...
7
6
8
4
6.25

alberto caiola
Design Director
at Alberto Caiola Studio
6
6
6
5
5.75

Justin Bridgland
Founding Partner
at More Design Office
A very dramatic stair....
5
5
7
4
5.25

Royce Epstein
Design Director
at Mohawk Group
Stunning and magical space! Offers...
7
6
7
4
6

Tetsuya Matsumoto
Head Architect
at KTX archiLAB
7
5
7
5
6

Shannon Pringle
Interior Designer
at Bernardon
9
8
9
8
8.5

Matteo Renna
Founder
at matteorenna | studio
7
6
7
4
6

Julie Payette
Cofounder and Partner
at v2com newswire
5
5
6
4
5

Simona Franci
Principal and Design Director
at Fortebis
7
6
7
5
6.25

P.C.Ee
Editor & Creative Director
at industry+
6
5
7
4
5.5

Jaycee Chui
Founding partner
at More design office
5
5
7
5
5.5
Designer
Client
INVESCO
Floor area
11979 ㎡
Completion
2020
Architect and Designer studio (common spaces)
Client and Project Management
Invesco
Assistant to the Contracting Authority
JLL
Executive Project Management
SCO
Structural Engineering Consultancy
Kephren
Façade Engineering Consultancy
VS-A
Thermal and Fluids Consultancy
CCI
Fire Safety
CSD Face
Environment
Green Affair
Economist
DAL
Acoustics
META acoustique
Landscape design
Sous Les Fraises
Safety Coordination
Qualiconsult
Lighting design
Ph.A - Concepteurs lumière et design
Lighting design
LOOOM
Geometer
Legrand
Project Management (for for the contractor's works)
Lazard Frères
Assistant to the Contracting Authority (for for the contractor's works)
Colliers
Economist (for for the contractor's works)
SCB
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