A growing number of Australians are facing the likely prospect of 'mortgage prison' following recent hikes from the Reserve Bank. Three in five mortgage holders reported financial stress due to rising interest rates, according to data comparison site Mozo. Compare Club's Sophie Matthews said the RBA's 25 basis point increase had already taken some mortgage holders to full borrowing capacity. Ms Matthews said a further 25 basis point increase would make it "near impossible to refinance" for borrowers already at full capacity.