Hi, urgently needing to know whether plans for complying development in NSW have to fully comply with the Building Code? We assume yes but our drafter provided us with plans which do not fully comply (one bedroom does not have ceilings that are at least 2.4m high over 2/3rds of the room). The drafter didn't say anything to us about this issue. The private certifier was given the plans and said it could be done as complying (he obviously didn't notice this problem from the plans) and issued the relevant permit to commence work. Part way through the work being carried out, the builder discovers the problem, tells the certifier before telling us and the certifier says the ceiling height would not comply and was never capable of complying so now we have to make changes to the roof and floor to accommodate the necessary ceiling height at a cost of nearly $16,000 plus the drafter has just invoiced us for another $300 for amending the plans to make them comply with the building code and the certifier wants us to pay a similar amount to vary the approval! Feeling ripped off here and trying to determine who is at fault for this error.