Love it, I honestly hope we see more of this kind of housing. While not suited for everywhere but if your rural/semi-rural in a BAL FZ area which is pretty much anywhere surrounded by bush. The benefits to energy rating too are good.

As climate change becomes more of a thing here and 50 degree days become the norm in summer we'll all live and work underground in a hundred years if things keep going the way they are. Mole people!