Mortgage tools NZ

The loan balance, interest rate, remaining term and repayment frequency drive a standard principal-and-interest estimate. A longer term can reduce the regular payment while increasing total interest if the rate and other assumptions remain unchanged. Extra repayments or a lump sum may reduce interest and payoff time, subject to the loan’s conditions.

Use the repayment calculator for a baseline, the LVR calculator to compare borrowing with an accepted property value, and the refinance calculator to include switching costs and a break-even period. Fixed, floating, offset, revolving-credit and interest-only structures can behave differently from a simple unchanged-rate model.

A lender may assess verified income, expenses, existing debts, credit history, deposit source, property security and repayment capacity at a higher test rate. That means an affordable-looking calculator result is not approval, pre-approval or an indication that a particular bank will lend the amount entered.

Model a range of rates and leave room for insurance, council rates, maintenance and other ownership costs. Before making a financial commitment, compare the calculator output with the lender’s disclosure, fees, repayment rules and personalised advice where appropriate.