Clé de Saint Pierre development area (ZAC) housing project Saint-Pierre-du-Perray (91)


Atelier BW

Progress/Delivery date
Construction ongoing

Surface area
2 300 m²

Construction cost
€3,4M excluding tax (value date 2019)

Scope of services

  • Structure
  • Electricity
  • Fluids
  • Thermal
  • Construction economics
  • Roadworks and various networks
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Construction of a 35-unit block of flats and basement car park.

Technical characteristics

Reinforced concrete walls and floors for the residential units.
Reinforced concrete post-and-beam framework for the car park.
Heat is produced by a shared gas-fired heating system in the basement.

Environmental characteristics

RT 2012 -20%.
High environmental quality (NF HQE) for housing, “entry-level” profile certification.
BiodiverCity label.
Level E2C1.