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Australian Government – Your Home – Yellow Rock Case Study

April 11, 2024

This passive house, BAL40 home in the Blue Mountains was built to allow the owners and their family to coexist with each other and the natural environment. 

Video: Department of Climate Change, Energy, the Environment and Water

Sustainability features

  • Meets the Passive House Plus standard for maximum annual heat demand (15 kWh/m2) and airtightness (0.6 ACH)
  • Bushfire attack level (BAL) rating of 40
  • 15kW solar PV system with 40.5kWh battery storage
  • Heat recovery ventilation (HRV) system for improved air quality and temperature regulation
  • Triple-glazed timber frame windows
  • North-east orientation to take advantage of natural lighting and prevailing breezes
  • R4.5 insulation in walls and R6 insulation in roof cavity
  • All electric, minimum 5-star energy rating cooking appliances
  • Hot water heat pump

Project details

Building type: Low density intergenerational housing

NCC climate zone: 6 – mild temperate

Architect: Diego Villar

Builder: Blue Eco Homes

Size: 524m2

Size of land: 13,018m2

Cost of build: $4750 per m2

This home was design to be accessible for people of all abilities, ensuring ease of movement and enabling residents to age in place comfortably. Photo: Open2View.

This home was design to be accessible for people of all abilities, ensuring ease of movement and enabling residents to age in place comfortably.

Photo: Open2View. © Blue Eco Homes.

With a high bushfire attack level (BAL) rating and conscious design with respect to the natural surrounds, the Yellow Rock home harmonises with the existing environment. Photo: Open2View.

With a high bushfire attack level (BAL) rating and conscious design with respect to the natural surrounds, the Yellow Rock home harmonises with the existing environment.

Photo: Open2View. © Blue Eco Homes.

Author

Department of Climate Change, Energy, the Environment and Water, 2024

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While building high-quality homes was our focus, we also had a deep passion for sustainability. We weren’t what you’d call “tree huggers,” but we knew that building a truly sustainable home would be better for both people and the environment.

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