I've finally had the opportunity to design a custom house and see it built. The house has been designed for a colleague at work and his family. The house has four bedrooms, two bathrooms and a double garage. The builder will be Metro Homes, who have agreed to do a one off 20 square custom design for the early $130,000 mark, which is within budget. The site is a 550m2 block in Loganholme and because the house has a small footprint there will be a decent backyard.
I've built a concept of the house design in MyVirtualHome.