Patrick Residence Wellington

    House Profile

Project Team

Architecture & Passive House Design VIA  Architecture - via-architecture.net
Builder Mike Craig Builders - mikecraigbuilders.co.nz

Certifier Sustainable Engineering Ltd – sustainableengineering.co.nz

Passive House Metrics

  • Heating Demand12.4 kWh/m2/year
  • Heating Load11.6 W/m2 
  • TFA148.6m2
  • Form Factor3.6
  • Air leakage @ 50Pa0.4 ACH/hour
  • PER demand37.4kWh/m2/year

Passive House Database - TBA

Construction Details Average Values

  • U-value External Walls0.21 W/(m2K)(R4.8)
  • Ecoply, 140mm timber framing with R4.1 Kanuf batts, intello air control layer, 45mm service cavity with R1.4 batts, plasterboard wall lining
  • U-value Floor0.13W/(m2K)(R7.6)
  • Timber flooring over hyjoists, insulated with Knauf R5.2 and R2.8 batts
  • U-value Roof 0.10W/(m2K)(R10.03)
  • Timber flooring over hyjoists, insulated with Knauf R5.2 and R2.8 batts
  • U-value Glass0.70 W/(m2K)(R1.4)
  • Planitherm XN argon filled triple glazing
  • U-Windows1.0 W/(m2K)(R1.1)
  • Aluprof MB-86 Aero (thermally broken aluminum frames)
  • Ventilation Efficiency 88%
  • Wolf CWL-2-325