After stumbling upon a vacant block in Mount Lawley, architect Andrew Boyne managed to build a house which produces more sustainable energy than it uses.

Blending the indoors with the outdoors, the entire house is an energy-producing verandah.

Mr Boyne told Julie-anne Sprague on 6PR Afternoons double glazing and wood help to make the house energy efficient.

Press PLAY below to hear how you can make an existing house energy efficient

Images by Peter Bennetts