We head underground this week and discover not all spaces beneath the earth's surface are dank, dark holes! We look at five homes from around the world.

On a more serious note, we cover the recent report from the Victorian Auditor-General's Office on consumer protection in the domestic building market. The report is unashamedly critical of the quality of services and in the ability to seek compensation for poor work.

While we wait for legislative change, we look at what consumer can do to protect themselves.