Difficulties Getting a Contractor's Licence or HOWI
The Home Building Act 1989 operates in many unexpected ways, for instance a lot of its focus is on managing insurance risk of Builders as opposed to managing quality of construction.
A glaring example of this is that if a licenced contractor is unable to obtain the home warranty insurance from the Home Building Compensation Fund it can perform residential building works of less than $20,000 or construct new residential buildings of four or more storeys of any value (even tens of millions of dollars).