Taranaki – Oakura

In by Jon Iliffe

Taranaki – Oakura

eHaus Euro - PHI Low Energy Standard - Non Certified

This single level home nestles into the rolling hills in Oakura and presents the owners with a lifetime  of stunning sea views, naturally beautiful surrounds of lush native planting and an extraordinary back drop of the Kaitake Ranges. Designed and built to provide a combination of a family home with an accommodation wing that caters for returning family and guests. A feature that demonstrates the flexibility of material choices when working with eHaus is the beautiful river stone wall that greats you on arrival.  

Design Components

Floor – Fully insulated concrete pad with a U-value of 0.183 W/(m²K)

Wall – 140mm timber frame with service cavity U-value of 0.220 W/(m²K)

Roof – Double layer of fibreglass insulation U-value of 0.132 W/(m²K)

Window Joinery Frame – Thermally Broken Aluminium NZ Uw value 3.8 W/(m²K)

Glazing – Double Glazed Low E Argon Ug value 1.12 W/(m²K) G value 61%

Ventilation – Zehnder comfo 450 MHRV

Hot Water – Econergy Heat Pump 300 litre internal storage

Heating/Cooling – Wood burner & Zehnder comfo cool unit

Performance Specifications

Heating demand: 16.4 kWh/m2/yr

Heating load: 13.5 W/m2

Frequency of Overheating: 1.2%

TFA: 224.1 m2

Form Factor: 3.96

Air leakage@50Pa: 1.28ACH

PER demand: 74 kWh/m2/yr

Experience this eHaus for yourself

Contact eHaus Taranaki

Passive House Project Team


eHaus - Ross Bennett


eHaus - New Plymouth


eHaus - Jon Iliffe