This entry is located in the cool temperate climate of the Blue Mountains, the design strongly incorporates passive solar design principles to ensure thermal comfort and reduce energy usage by constructing the dwelling with earth materials.  The external walls were straw bales, rendered, and the internal walls were cob infill walls giving R rating of 7.1.  Double glazed windows and doors were used to minimise any heat loss during winter. The whole dwelling was rendered with coloured earth dug from the site.  A hydronic system of heating was used to maintain an even temperature.  The internal finishes, including tiling, painting and carpentry were of a first class standard, according to the judges.