D2 Tower

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Height: Occupied
133.8 m / 439 ft
Height: To Tip
171 m / 561 ft
Height: Architectural
171 m / 561 ft
D2 Tower  Outline
Height: Observatory
149.9 m / 492 ft
Floors Above Ground
Floors Below Ground
# of Elevators
Top Elevator Speed
6 m/s
Tower GFA
54,500 m² / 586,633 ft²
# of Parking Spaces


Official Name D2 Tower
Other Names CB22, Tour D2
Structure Type Building
Status Completed
Country France
City Courbevoie
Street Address & Map 17 Place des Reflets, La Défense
Postal Code 92400
Building Function office
Structural Material composite
  • Core: Reinforced Concrete
  • Columns: Steel
  • Floor Spanning: Steel
Energy Label BREEAM Very Good; NF HQE Bâtiments Tertiaires Excellent
Proposed 2010
Construction Start 2011
Completion 2014
Rankings Click arrows to view the next taller/shorter buildings
Regional Ranking #114 Tallest in Europe
National Ranking #10 Tallest in France
City Ranking #6 Tallest in Courbevoie

Companies Involved

Owner Sogecap
Developer Sogeprom; Bouygues Immobilier
Design Agence d`Architecture A.Béchu; Atelier Tom Sheehan & Partenaires
Architect of Record Agence d`Architecture A.Béchu
Structural Engineer
Design DVVD; Setec TPI
MEP Engineer
Design Berim; Setec Bâtiment
Project Manager Egis
Main Contractor GTM Batiment
Other Consultant
• Certifier Veritas
• Environmental Etamine
Façade DVVD
• Interiors Volume ABC
• Landscape Silva Landscaping; Coloco
• Lighting Benoit Lalloz; Carole Ferreri
• Security SSICOOR; Apex
• Wind Centre Scientifique et Technique du Bâtiment
Material Supplier
• Cladding Kyotec
• Concrete Lafarge Beton
• Elevator thyssenkrupp
• Façade Maintenance Equipment Tractel
• Steel ArcelorMittal

Research Papers

An Overview of Structural & Aesthetic Developments in Tall Buildings Using Exterior Bracing & Diagrid Systems
1 Dec 2016 – International Journal of High-Rise Buildings Volume 5 Number 4

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