Yallingup Eco House

Submitted by: YALLINGUP ECO HOUSE (Architect Stuart Threadgold, Engineer Bill Smalley)

Yallingup Eco House
Type: Open
Category: Build
Date: May, 2017

Yallingup Eco House

Submitted by: YALLINGUP ECO HOUSE (Architect Stuart Threadgold, Engineer Bill Smalley)

Introduction

a contemporary eco house that epitomises an off-grid lifestyle and set on permaculture farm

The Whole Story

This contemporary energy efficient eco house was designed for a young growing family and set on 120 acre farm in Yallingup. The design embodies the clients’ ideals to live sustainably and off-grid demanded the house be power self-sufficient and incorporate passive solar design principles for reduced energy consumption as part of the brief. The house epitomizes south west architecture by incorporating environmentally sustainable design principles by being sited at elevation to take advantage of views, cooling breezes and the di-urnal movement of the generous Western Australian sun. The eco house is surrounded by citrus, nut and pomme fruit orchards set out to permaculture principles as part of the design brief.

Passive solar design is achieved through a generous allocation of north facing glazing and end folding glass doors. During the warmer south west days, the family utilize the Breezeway glass louvres to the underside of roof eaves soffit on the northern elevation to generate cross ventilation for cooling the main living areas. The family enjoy direct sunlight across approximately 85% of the living floor space for solar heat gain throughout the colder days of a south west winter, which is captured and later released via the building's thermal mass. The honed concrete floor provides the thermal mass to living areas for the capture of radiant heat from the direct sunlight during the daylight hours and releases the heat through cooler south-west Western Australian evenings. The design typically incorporates materials of low embodied energy such as rammed limestone walls to the south elevation to the main living areas to retain radiant heat (locally sourced from a neighbouring property's pit) and timber cladding sourced from sustainable plantation timber.

The house boasts complete power self-sufficiency with a 5.5kw photo voltaic array discretely hidden from view behind the single lock standing seam anthra zinc clad parapet. The house’s sustainable design credentials are further endorsed through rainwater harvesting and a potable water storage capacity of 550,000 litres. The house’s green building benefits are also enhanced through incorporating a 440 litre Solarhart solar hot water system boosted by a Chazelle Chimneys wood fire box. The embodied energy was further reduced by utilising locally sourced recycled jarrah and locally milled sheoak Australian hard wood species with enjoy a high natural resistance to white ants. The design brief included an edible landscape surrounding the house comprising of dwarf coffee trees, feijoa, papaya, pineapple and tamarillo trees laid out to permaculture principles.


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