Borrowing Power Calculator
Find out how much you could borrow for a mortgage based on your income, expenses, and deposit.
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New Zealand banks use a Debt-to-Income (DTI) ratio limit of 7 under the CCCFA. Your maximum borrowing is the lower of the DTI limit and what you can afford based on expenses.
Max property price$800,000
Max borrowing$700,000
Monthly repayment$4,424
LVR87.5%
Deposit %12.5%
Most NZ banks require a minimum 20% deposit. With less than 20%, you may need Lenders Mortgage Insurance or qualify for a Welcome Home Loan. Use our First Home Buyer calculator to check eligibility.
This is an estimate only. Actual borrowing capacity depends on your credit score, employment stability, and the bank's individual assessment criteria. Always get pre-approval from a bank or mortgage broker.
How it works
Most NZ banks use a ~6% stress test rate to assess borrowing capacity. They typically lend up to 5–6× household income. DTI (debt-to-income) ratio limits apply under the CCCFA.