Christchurch – Strowan

In by Shelley

Christchurch – Strowan

eHaus Euro - Certified Passive House Plus (2017)

This two storey modern residence in the middle of Christchurch replaces the families home that was damaged in the Canterbury earthquakes.A modern family home that ticks all the boxes

Design Components

Floor – EPS raft slab – 70mm EPS VH grade rib insulation 100mm wide, 300mm pods U-value = 0.34 W/(m2K)

Wall – SIP Panels 215mm with 50mm insulation in service cavity U-value = 0.155 W/(m2K)

Roof – SIP panels 265mm with 90mm in service cavity U-value = 0.13 W/(m2K)

Window Joinery Frame – ThermaDura, NatureLine 90 Laminated Siberian Larch U w-value = 0.94 W/(m2K)

Glazing – Sanco Silverstar TRIII E 4:/20AR/4:/20AR/4 ACS plus spacer U g-value = 0.5 W/(m2K) g -value = 53 %

Ventilation – Zehnder Q350 MHRV

Hot Water – External Heat Pump with 300 Litre storage

Heating/Cooling – 2 Heat Pumps

Power Generation – 7kW solar PV system

Performance Specifications

Heating Demand: 22.1 kWh/m2/yr

Heating load 9.3W/m2

Frequency of overheating 1%

TFA: 198.1 m2

Form Factor: 3.4

Air Leakage@50Pa: 0.51 ACH

PER demand: 31 kWh/m2/yr

Renewable Energy Generation: 46 kWh/m2/yr

Experience this eHaus for yourself

Contact eHaus Canterbury South

Passive House Project Team


Hiberna Building & Design/eHaus


eHaus Canterbury North


eHaus - Birgit Bartel


Sustainable Engineering - Jason Quinn