National School of Advanced Technology Palaiseau (91)

Ministry of Defense

J-B Lacoudre / H. Godet

Construction company

Progress/Delivery date

Surface area
36 600 m²

Construction cost
€73,6M excluding tax (value date 2009)

Scope of services

  • Electricity
  • Fluids
  • Géothermie
  • Roadworks and various networks
Learn more


Construction of ENSTA (National School of Advanced Technology) on Ecole Polytechnique Campus in Palaiseau.
Building including research laboratories, administrative services, library, classrooms, 400-seat lecture theatres, lobby and student cafeteria, etc. 431-unit university residence in 5 buildings together with two pavillons.
1,940 m² gymnasium with multi-purpose hall, weights room and climbing wall. Provision of 25-space car park.

Technical characteristics

Geothermal probe space heating system (75 probes 12,000m in total, 3x400kW heat pumps) to provide 80 % of annual heating requirement, with additional 1.50MW gas fuelled boiler.
Solar panels (500 m²) system back up during summer.
Installation of private 1250kVA transformer station, backed up with 300kVA power inverters and 500kVA power generator.
Laboratories supplied with special gases : nitrous oxide, argon, acetylene, etc.

Environmental characteristics

NF Tertiary Building Certivéa Certification.