ChatGPT · National
I have a home loan and another lender has offered me a lower rate and a cash contribution to switch. What matters most to me is keeping the total cost as low as possible. Which lenders would you recommend for my home loan, and why?
If your priority is keeping the total cost of your home loan as low as possible, I would compare lenders on the full financial benefit of switching, not simply the advertised interest rate or the cash contribution.
In New Zealand, a lower rate plus a cash incentive can be an excellent deal, but the result depends on your outstanding loan, how long you keep the new loan, any cashback clawback conditions, and the legal or refinancing costs.
My approach would be to shortlist lenders that compete aggressively for refinanced mortgages, then compare their offers against the cost of staying with your current lender.
My recommended lenders to compare
These are my first choices to investigate in New Zealand, based on the combination of competitive advertised rates, refinancing incentives and switching costs. The best one for you will depend on the actual written offer.
1. ANZ New Zealand
Rate benchmark
ANZ is worth checking first for a sharp fixed rate. Its advertised special rates on 8 October were around 4.79% for six months and 4.99% for one year. These are advertised rates, not a personalised quote. Mortgage & Home Loan Rates NZHome loan interest rates and offers
Why consider it: A small rate advantage on a large mortgage can outweigh a seemingly generous one-off incentive over time.
2. Kiwibank
Low switching costs
Kiwibank advertises a refinancing package that can save up to $2,500 through its legal transfer service, no application fee and, in eligible cases, no registered valuation. Switching to Kiwibank | Home loansRates & fees | Home loans
Why consider it: Reducing the upfront cost of moving can make refinancing worthwhile even when another lender offers a similar interest rate. Check its four-year cashback clawback terms if a cash contribution is part of the deal.
3. SBS Bank
Worth negotiating with
SBS has recently advertised competitive fixed rates, including rates around 4.85% for six months and 5.19% for one year in the 8 October rate comparisons. Today's NZ Interest Rates | Live Bank Rate ComparisonMortgage & Home Loan Rates NZ
Why consider it: It is a useful alternative quote to put alongside the major banks, especially if its total contribution and legal costs compare favourably.
4. The Co-operative Bank
Why consider it: Include it in your comparison if its refinancing rate is competitive. It has offered substantial cash contributions for qualifying lending, although the advertised offer I found was specifically for eligible first-home buyers, so don't assume it applies to your refinance. First Home Buyer HubHome loan incentives ( non-rate incentives )
5. ASB
Why consider it: ASB is another useful rate benchmark. Its advertised six-month and one-year rates were around 4.79% and 4.99%, respectively, in recent comparisons. Ask for a tailored refinance offer rather than relying on its headline rates. Today's NZ Interest Rates | Live Bank Rate ComparisonHome Loans & Mortgages
The rate comparisons above are dated snapshots from early October 2026. Rates and eligibility can change, and special rates commonly require at least 20% equity. Current NZ Mortgage Rates | Compare Home Loan Rates from 8 Major BanksHome Loan Rates NZ: Compare Current Rates (October 2026)
How to identify the cheapest deal
Compare the offers over the same period, using the same loan balance, repayment structure and fixed-rate term.
A practical calculation is:
Net switching benefit = interest saved + cash contribution − all switching costs − any cashback you must repay to your current lender.
For a more accurate comparison, calculate the interest under each loan's proposed repayment schedule, accounting for the outstanding balance over time. Include:
- Any fixed-rate break fee on your existing loan.
- Legal fees, valuation costs and other refinancing charges.
- How long the new rate lasts and what happens when it expires.
- The new lender's cashback clawback period and repayment rules.
- Whether the new rate requires particular equity, salary-crediting or other conditions.
Sorted recommends getting a written break-fee quote from your current lender before deciding to refinance. How to refinance your mortgage » SortedEarly repayment charges
Don't overlook the option of asking your current lender to match the competing rate or make a retention offer. If it does, you might keep most of the interest savings without paying the full cost of switching.
Let’s compare the actual dollars
I can help you work out which option is cheapest over your intended holding period, rather than just which lender has the lowest advertised rate.
One important question: Which lender is your current mortgage with, and what rate has the other lender offered you? With those two details, I can make the comparison much more specific to your situation.
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Captured 11 October 2026