Property prices in Australia's eight capital cities increase in the first three months of 2013 mainly due to a notable advance in house prices in Sydney and Perth, a data released by the National Bureau of Statistics. The weighted average of house prices in 8 capital cities rose from 0.1% recorded in the Q4 to 2.6% in the Q1, when property prices in Sydney and Perth rose by 3.6% and 5.9% respectively.