Project Team

Architecture & Passive House Design Sang Architects – sangarchitects.com

Builder iCreate Building and Renovations Ltd

Certifier Sustainable Engineering Ltd – sustainableengineering.co.nz

Passive House Metrics

  • Heating Demand9.0 kWh/m2/year
  • Heating Load7.2 W/m2 
  • TFA196 m2
  • Form Factor3.3
  • Air leakage @ 50Pa0.5 ACH/hour
  • PER demand49 kWh/m2/year

Passive House Database – TBA

Construction Details Average Values

  • U-value External Walls0.23 W/(m2K)(R4.37)
  • ICF to lower level, SIPs and 20mm uninsulated services cavity to upper levels
  • U-value Floor0.70 W/(m2K)(R1.43)
  •  Concrete slab on 200mm EPS
  • U-value Roof 0.15 W/(m2K)(R6.73)
  • SIPs, rondo ceiling
  • U-value Glass0.57 W/(m2K)(R1.75)
  • Eco Windows triple glazing
  • U-Windows0.9 W/(m2K)(R1.1)
  •  Eco Windows Spruce, alu clad
  • Ventilation Efficiency86%
  • Zehnder Q450