New house sales in Australia's five largest states declined by 2.0 per cent during March, meaning that sales have fallen in each of 2018's first three months. Three consecutive months of decline in sales volumes were last recorded between July and September of last year. Overall, new house sales fell back by 2.2 per cent during the March 2018 quarter compared with the last three months of 2017. Over the 12 months to March 2018, new house sales were 4.1 per cent lower than in the previous 12 month period.