Homes in Sydney’s outer suburbs such as Campbelltown, Cabramatta and Abbotsbury that have hit record prices are poised to gain even more under demand-boosting policies proposed by Labor and the Coalition that could fuel a new housing boom, analysts say.

In Melbourne, suburbs already attractive to first-time buyers such as Box Hill, Officer and Clyde North – and which have also reached records – were likely to rise further, Tim Lawless, the research director of housing data provider Cotality, formerly CoreLogic, said.