Casden - Banque populaire headquaters, Champs-sur-Marne

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The architecture of a company’s headquarters contributes to its identity.

Casden is a cooperative bank, established immediately after the war by teachers who wanted to pool their savings in order to help a colleague’s son to buy a home. Its identity is one of sharing and solidarity. Its architecture should reflect those values while at the same time conveying the solidity of a banking institution. It should be rigourous, uncomplicated, straightforward, domestic or even gentle, a welcoming place for clients unfamiliar with the architectural codes of international finance.

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    The Casden Banque Populaire headquarters building folds to form a large forecourt. This leads into a large double-height atrium, opening visually into the landscaped heart of the block, with its hundred-year-old trees. The programme is classical in its architectural composition, divided into base, Piano Nobile and attic.
    On the first two storeys, the base accommodates the amenities for staff, clients and visitors, helping to bring life to the streets. The frame of the base is broader, with thicker columns, and its relation to the slope embeds it into the public space.
    The office floors, the heart of the building’s life, are symbolically located on a four-level Piano Nobile. Its facade is indented with balconies, which suggest a certain architectural domesticity. It is enlivened by the main stairways and elevators, places of movement and meetings between colleagues.
    The board offices, extending into a hanging garden, form a two-level attic. The boardroom is on the top floor, in the prow of the building, bridging the space between forecourt and park.

    The materials are natural: wood brings warmth to the communal spaces, whereas the pale stone typical of the region, inlaid with bronze toned aluminium, softens the institutional nature of the building.

     

    The architectural design consists of a simple and repetitive load-bearing frame, which gives the building flexibility in its internal partitioning. The different programmes are defined through variations in proportion, which express their strategic positioning in the urban context and the physical and symbolic links that connect them.
    These simple measures produce a timeless institutional architecture tempered by the morphology, the organisation and the materiality of the building.
    Casden Banque Populaire is a cooperative bank and its architecture achieves the fragile balance between classicism and simplicity.


  • SPECIFICATIONS

    CLIENT
    Les Nouveaux Constructeurs
    Environmental assistant to the contracting authority: Etamine
    Planning authority: EPAMARNE
    Urban planner: Ateliers Lion associés

    LOCATION
    Champs-sur-Marne (77)

    SURFACE AREA
    14 000 sqm
    5 500 sqm outdoor

    PROJECT MANAGEMENT
    Architect: COSA
    Team: Théophile Marmorat, Géraud Pin-Barras with Camille Balency, Floriane Bataillard, Antonin Bohl, Eve Coston, Marc Duatis, Sara Fernandez, Jérémy Gauvin, Riccardo Guderzo, Loïc Le Mercier, Christophe Maignien, Noémie Marechal, Anaïs Maria, Emilie Mouchel, Oana Rupacici, Athur Schmitt, Denis Zélie
    Landscape architect: D Paysage
    Interior designer: Xavier Béddock
    Operational project management: Builders & Partners
    Structural engineering, roads and utility services: RBS
    Fluids engineering: JLL Ingénierie
    Acoustics: Jean-Paul Lamoureux
    Kitchen designer: SPOOMS
    Facade: CEEF
    Economics: EXECO

    ASSIGNMENTS
    Schematic design + Summary Design + Project + Architectural compliance monitoring

    SCHEDULE
    Completion 2018
    Competition winner 2015

    PROGRAMME
    Construction of the Casden Banque Populaire headquaters: offices, meeting rooms, boardroom, conference rooms, company restaurant and kitchen, canteen, fitness center and a 320-space under-ground car park

    BIM Level 2 project

    ENVIRONMENTAL APPROACH
    NF-HEQ Bâtiments Tertiaires certification label
    Effinergie + certification label – 40% regarding the RT 2012 certification label
    HEQ Passeport excellent certification label

     

    © Pictures : Camille Gharbi

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