There are calls for the Northern Territory to scrap a tiered building system that makes it legal to build a home that fails to meet national safety and liveability standards. And a housing expert says it wouldn’t cost much to make the change. There are calls for the Northern Territory to scrap a tiered building system that makes it legal to build a home that fails to meet national safety and liveability standards. And a housing expert says it wouldn’t cost much to make the change. Housing Policy, Housing Construction Industry, Rural and Remote Communities Latest business news