Concern over number of people with interest only mortgages

Consumer groups have expressed concern after banking giant Westpac revealed half of its customers with mortgages are still paying interest-only on their loans. Image: ANZ chief executive Shayne Elliot (AAP)

ANZ chief executive Shayne Elliot Source: AAP

That's despite a regulator push for a cap, and it comes off the back of rising household debt and slow income growth.