Passivhaus Affiliate

Crawfordsburn receives certification

Designed by Paul McAlister Architects Limited, Crawfordsbun PassivHaus in Bangor, Northern Ireland, has achieved certification. The main living spaces such as the kitchen and the double height living room have been designed to the south elevation to maximise heat gain from the southern sun. The balcony feature from the master bedroom acts not only as a feature but as a design tool to provide appropriate shading in the summer to prevent overheating. This modern PassivHaus is situated on a cluster of farmyard buildings and its simple design is integrated into the surrounding context.

Key building information:

  • Treated Floor Area 185m2 (PHPP calculated)
  • SIP panels used for exterior walls acheives a U-value = 0.115 W/(m2K)
  • EPS insulated solid concrete floor acheives a U-value = 0.144 W/(m2K)
  • SIP panels used for roof acheives a U-value = 0.123 W/(m2K)
  • Air tightness n50 = 0.58/h (Air tightness test result )
  • Annual heating demand = 14 kWh /(m2a ) calculated according to PHPP
  • Heating load = 11 W/m2
  • Primary energy requirement = 91 kWh /(m2a ) on heating installation, domestic hot water, household electricity and auxiliary electricity calculated according to PHPP

For more information please visit:

Paul McAlister Architects Ltd

International Passivhaus Database

29th November 2013

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