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URMA de Bruay: residential building for university student

Highlighted Case 2018 Highlighted Case
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General view of the building. Source Construction 21

The building was built in 2018 and it hosts 1300 students in food and body-care professions. The floors develop a useful surface around 9,000 m² distributed in two wings flanking a central courtyard:


On the street side, the reception wing, of general and scientific education: The construction integrates the soft natural environmental technologies of the site with the will to be applied pedagogical support and lived of the sobriety for the energy transition.


A permanent display of performance achieved will boost communication. The processes used use simple technologies at very low pressures and temperatures, the first maintenance of which can be ensured within the establishment.


On the courtyard side, the wing of laboratories and technical vocational training workshops. The architectural philosophy developed is to demonstrate the perfect synergy between the indoor air quality of the premises and high energy performance.


Energy consumption

  • Primary energy need :13,10 kWhpe/m2.year
  • Primary energy need for standard building :71,20 kWhpe/m2.year
  • Calculation method :RT 2012
  • Final Energy :8,50 kWhfe/m2.year
  • Breakdown for energy consumption:
    • 12.3 kWhpe/m2.year Heating
    • 3.7 kWhpe/m2.year cooling
    • 13.3 kWhpe/m2.year Lighting
    • 1.6 kWhpe/m2.year Auxiliary

Envelope performance

  • Envelope U-Value :         0,30 W/(m2 K)

Building services


1. Heating system :             

  • Gas boiler
  • Low temperature gas boiler
  • Geothermal heat pump
  • Solar thermal
  • Canadian well

2. Hot water system :        

  • Condensing gas boiler
  • Heat pump
  • Solar Thermal

3. Cooling system :             

  • Reversible heat pump
  • Geothermal heat pump
  • Floor cooling
  • Canadian well

4. Ventilation system :       Natural ventilation + Canadian well


5. Renewable systems :    

  • Solar photovoltaic
  • Solar Thermal
  • Heat pump on geothermal pile
  • Heat pump
  • Renewable energy production: 58%


You can find more details about the project on the Construction 21 website.

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