Ecovillage Barnhouse build wins Australian GreenSmart Award

A big congratulations is in order – Tallwood Custom Built Homes and Coveney Brown Architects built and designed the Eco Barnhouse – the Winner of the 2025 HIA Australian GreenSmart Sustainable Home of the Year!

  • Carbon-Offset: Achieves 140% carbon offset, making it a 140% carbon-offset home.
  • Self-Sufficiency: Fully self-sufficient in renewable energy and water resources.
  • Energy: Powered by solar with a connection to a central storage battery and the village microgrid.
  • Water: Features a 100,000-litre rainwater tank, a greywater recycling system, and waterwise fixtures.
  • Materials: Utilizes rammed earth walls for thermal regulation and locally sourced materials to reduce embodied energy.

The Eco Barnhouse, nestled within the Witchcliffe Ecovillage, stands as a beacon of sustainability within one of the world’s most eco-conscious residential developments. This innovative dwelling is a remarkable 140% carbon offset and achieves complete self-sufficiency in renewable energy and water resources. At its core, the home features a 10kw photovoltaic system connected to a central storage battery and the village microgrid, allowing excess energy to power electric vehicles or contribute back to the Western Power grid. With a 100,000-litre rainwater tank, greywater recycling system, and waterwise fixtures, the house and garden thrive sustainably while promoting organic farming and native habitat preservation. The design prioritises flexible living, providing options for extended family living or separate tenancy. Sustainable features include rammed earth walls for thermal regulation and locally sourced materials to reduce embodied energy. The Eco Barnhouse exemplifies holistic sustainability through design, energy efficiency, and mindful construction practices.