Eiffage delivers 25,500-sq-m Cristallis office complex redevelopment in central Paris

• Eiffage delivered the Cristallis office redevelopment in central Paris, restructuring a three-building complex totaling more than 25,500 sq m.
• Project added an extension and vertical expansion, replaced facades, upgraded building systems, and built a watertight concrete box supported by 300+ micropiles.
• Scheme targets BREEAM RFO Excellent, HQE BD Excellent, BBC Effinergie Renovation, BBCA Renovation, Biodivercity, OsmoZ, and French tertiary decree compliance.
• Client Malakoff Humanis planned employee move-in the day after handover, tightening delivery constraints.

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