Property investors believe tenants will be the ultimate losers from any new restriction on mortgage lending.
The Finance Minister has agreed in-principle to give the RBNZ powers to fix upper borrowing limits to income.
A debt-to-income ratio tool has the potential to cool a hot housing market.
It means a property buyer can only borrow up to a certain multiple of their income.
Property Investors' Federation chief executive Sharon Cullwick spoke to Corin Dann.
