The Burrow Auckland

Project Team

Architecture Kim Veltman Architecture - kimveltman.co.nz

Passive House Design VIA architecture Ltd - via-architecture.net

Builder Craft Homes Ltd - crafthomes.co.nz

Certifier Sustainable Engineering Ltd – sustainableengineering.co.nz

Passive House Metrics

  • Heating Demand9.2 kWh/m2/year
  • Heating Load8.2 W/m
  • TFA418.7m2
  • Form Factor2.7
  • Air leakage @ 50Pa0.5 ACH/hour
  • PER demand32.6kWh/m2/year

Passive House Database - TBA

Construction Details Average Values

  • U-value External Walls0.24 W/(m2K)(R4.21)
  • 140mm Insulated Timber Framed wall with 45mm insulated service cavity
  • U-value Floor0.10W/(m2K)(R10.07)
  • 100mm EPS over 250mm Izodom Peripor continuous for slab-on-ground
  • U-value Roof 0.19W/(m2K)(R5.34)
  • Truss roof with 2x layers R2.8 Knauf 90mm batts over Intello and un-insulated service cavity
  • U-value Glass0.64 W/(m2K)(R1.56)
  • TGU-4 SGG 4:/14/4/14/:4 Ar 90%
  • U-Windows1.1 W/(m2K)(R0.9)
  • Neuffer IV78 / Plano
  • Ventilation Efficiency83%
  • Zehnder - ComfoAir Q600 HRV, Comfort Vent Q600 HRV