When you purchase a property, you are purchasing it ‘as is’. Completing your due diligence checks means that there will be no unexpected surprises for you after settlement. For example, if illegal building works were done on the property, after settlement that will become your problem, as the new owner, to solve. A due diligence checklist is included in your contract of sale to ensure you cover your bases before proceeding with a purchase, or you can access the full list from consumer affairs here.