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Sisters, located in the heart of La Défense next to the Grande Arche, is an ambitious mixed-use project designed by French architect Christian de Portzamparc that that will provide occupants with modern services and amenities. The highest tower of the two will include next-generation offices offering loggias and gardens - unique for a high-rise building. The lower tower will be home to an upscale hotel.

One hundred metres above ground, a suspended bridge will link the two towers and offer exceptional amenities: a business centre, a restaurant and sky-bar, a gym and a swimming pool. A terrace will also be available, allowing occupants to enjoy breathtaking views of La Défense.

Development Overview


URW ownership

90,434 sqm

100% GLA (sqm)


100% Total Investment Cost (€ Mn)

Post 2024

Opening Date

At cost

Project Valuation


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Jean-Pierre Vincent Project Manager Contact