Flamezone & Passive House Principles In The
Blue Mountains

Building in the Blue Mountains often means building in bushfire zones. We wanted to build to the highest Bushfire zone in Australia – Flamezone, using Passive House principles

The house features high-raked ceiling with exposed rafters and herringbone to top it off.

It has exposed air conditioning ducts and polished concrete floors to give it a commercial feel, and vertical cladding externally and internally.

The master bedroom is four times the size of a normal bedroom for the parent’s escape or retreat, and the kitchen features a beautiful Bora stovetop which has an inbuilt rangehood which draws the steam downwards.

The winters in the mid mountains can get chilly, so we included a hanging Aurora fireplace that is a sculptural feature and warms the home, making it cosy and stylish.

Two of the children’s bedrooms are adjacent to the main living area. The bedrooms are hidden as the doors are flush. It’s a neat feature that’s functional and looks neat.

The outdoor kitchen makes barbecues easy to manage and to ensure the flies and mosquitos don’t ruin the parties we installed large outdoor fans in each outdoor area.

Passive house principles – we wanted to have a passive house home.
Because the budget was spent on the Flamezone requirements, there was a limited budget left. Although Passive House certification was over the budget, we did what we could. They included:

  • 140mm wall thickness for the Blue Mountains climate with as much insulation as we could put in the walls R2.5
  • Wall wrap / membrane to seal gaps, draughts and penetrations in the building envelope
  • Double glazed windows that had thermal bridging
  • R3.5 in ceilings and R1.2 sarking in the roof
  • Insulation under the slab on the ground to create a thermal bridge


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