NEW AND IMPROVED: Two sizeable extensions and a reworked floorplan have transformed the Gardners' dated 1970s house into a light-filled family home

TROPICAL HOUSE: Sandra and Trevor Collin's design and renovation skills have transformed their 1980s home into  a modern light-filled oasis   

LUCKY MOVE; A fortuitous conversation with a sustainability expert encouraged Susannah Geoghegan to go back to the drawing board on her build. The result is a Passivhaus with a pleasing traditional look.