Treasurer Jim Chalmers is vowing that Australian house prices will continue to grow but at a slower pace despite home values plunging at the steepest pace in almost four years, sparking negative equity concerns. Your email address: Email Us Get the Newsletter By continuing you agree to our Terms and Privacy PolicyTreasurer Jim Chalmers. Adelaide house prices also went backwards for the second straight month while in Perth, house prices rose by just 0.1 per cent in July, just three months after recording a 2.1 per cent monthly increase. Canberra house prices fell by 1.2 per cent over the month to $1.025m. Adelaide prices fell 0.2 per cent to $1.008m, Perth values increased by just 0.1 per cent to $1.074m.