Substandard renovations can create huge headaches, and if the builder does not repair the problem, you may wonder where to go. ? In order to obtain a helping hand, you need to first attempt a resolution of the matter directly with your builder. If this is unsuccessful, you can make a complaint to Strata Building Inspection Professionals and they can have you and the contractor mediated through. NSW fair trading inspection is a great starting point if you’re dealing with defective renovations.