House Profile

Project Team

Architecture & Passive House Design Maguire and Harford Architects Ltd – mah.co.nz
Builder Avenue Architectural Builders (Ben Calvin)

Certifier Sustainable Engineering Ltd – sustainableengineering.co.nz

Passive House Metrics

  • Heating Demand12.2 kWh/m2/year
  • Heating Load8.2 W/m2 
  • TFA 188 m2
  • Form Factor2.6
  • Air leakage @ 50Pa0.3 ACH/hour
  • PER demand43.0 kWh/m2/year

Passive House Database – TBA

Construction Details Average Values

  • U-value External Walls0.20 W/(m2K)(R5.03)
  • 7mm plywood bracing / 200mm LVL insulated LVL framing / intello / 45mm service cavity / gypsum board
  • U-value Floor0.15W/(m2K)(R6.89)
  • 7mm Plywood / Insulated 90mm Timber / Insulated 200mm Hyjoist / 19mm Plyoowd / 13mm Timber flooring
  • U-value Roof 0.11W/(m2K)(R9.06)
  • Roofing / Cavity / Underlay / 15mm Plywood / 240mm insulation / 90mm insulated service cavity / plasterboard
  • U-value Glass0.52 W/(m2K)(R1.93)
  •  Stake Triple Glaze (Saint-Gobain) Planiclear 4mm/20mm/Planiclear Ultra NII 4mm/20mm/Planiclear Ultra NII 4mm
  • U-Windows0.9 W/(m2K)(R1.1)
  • Thermadura DesignLine – PASSIVE
  • Ventilation Efficiency83%
  • ComfoAir Q350 HRV