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We're a family moving to a bigger home and may need to buy before our current home sells. What matters most to us is being able to pay extra or change our repayments when we need to. Which lenders would you recommend for our home loan, and why?
For your situation in New Zealand, I’d focus on lenders that give you repayment flexibility without locking you into expensive break fees or making it difficult to manage two properties temporarily.
Because you're upsizing and may need to buy before selling, there are really two separate things to solve:
- Flexible repayments: being able to pay extra off your loan, increase regular repayments, make lump-sum payments or take a repayment holiday if your circumstances change.
- Bridging finance: funding the new home while you still own your current one, ideally with a clear plan for what happens if your existing home takes longer to sell.
One important distinction: a loan can offer excellent repayment flexibility but still be unsuitable for bridging finance. I’d assess both features before choosing a lender.
Lenders I’d shortlist
These are the lenders I’d compare first based on their published loan features, not a ranking of their interest rates or approval likelihood.
1. BNZ
Best to investigate for offsetting spare cash and flexible repayments
BNZ offers TotalMoney, which offsets eligible transaction-account balances against your linked mortgage for interest calculations. You can access the linked money when needed, make lump-sum payments and change repayments on the floating loan. Its fixed-rate standard loan also permits extra repayments of up to 5% of the loan balance each year without an early repayment charge. Home loan typesTotalMoney home loans - Offset mortgages
Why it may suit you: if you have savings or cash temporarily available while buying and selling, you can keep that money accessible while reducing mortgage interest.
2. Kiwibank
Best to investigate for flexible loan structures
Kiwibank offers variable, offset and revolving-credit home loans. Its variable loan allows extra repayments at any time without a penalty, while revolving credit works more like an overdraft, allowing you to pay money in and draw it back within your approved limit. Kiwibank also has guidance specifically for buying your next home before selling your current one. Revolving home loan | Home loansVariable rate home loan | Home loansBuying your next home | Home loans
Why it may suit you: you can explore a combination of predictable repayments on one loan portion and more accessible funds on another, alongside a plan for the temporary overlap between homes.
3. ASB
Best to investigate for structuring the loan and managing the move
ASB lets you split a mortgage between fixed, floating and revolving-credit portions. The floating portion allows extra payments without early repayment adjustment costs, while the revolving portion lets you repay and redraw within your limit. ASB also explicitly offers bridging finance and discusses retaining an existing loan while substituting the property used as security, subject to approval. Split home loan - Fixed vs variable interest rateBridging finance - Buying & selling at the same time
Why it may suit you: it is worth asking ASB to structure the new lending and any existing fixed-rate loan together, rather than treating them as separate decisions.
ASB buying and selling at the same time
4. Westpac
Best to investigate for adjustable repayments on fixed loans
Westpac's Choices Floating loan allows extra lump-sum repayments and redraws, and its offset option links eligible accounts to reduce interest. Westpac also says borrowers on its Choices Fixed loan can increase payments online by up to 20% above the minimum and reduce them again when needed. It offers bridging-finance options for a gap between selling and buying. Split home loanChoices Fixed home loanChoices Offset Floating home loanSelling and buying - financial considerations
Why it may suit you: the ability to adjust fixed-loan payments within the stated limit could provide a useful middle ground between repayment flexibility and rate certainty.
5. ANZ
Best to investigate for revolving credit and bridging finance together
ANZ offers a Flexible Home Loan with no set regular repayments while the facility remains within its credit limit; you can pay money in and redraw it. ANZ also offers bridging finance for buyers who need to settle on a new property before selling their existing one. Its flexible loan may carry a higher interest rate and a monthly fee. Flexible MortgageBridging Finance
Why it may suit you: if you want substantial control over when money goes in and out, ANZ is worth including in the comparison, particularly if your sale and purchase dates may not line up.
What type of mortgage would I choose for your family?
I’d ask each lender to price a split home loan rather than putting the entire mortgage on a fixed rate.
A flexible structure to discuss with lenders
Fixed-rate portion
The predictable part of your mortgage
Covers the amount you want to repay consistently, with more certainty about your interest rate and scheduled payments.
Floating or offset portion
The flexible part of your mortgage
Lets you make extra payments, pay lump sums off the loan and, depending on the product, access money again. An offset loan may also reduce interest while cash sits in eligible linked accounts.
Bridging finance, if needed
The temporary part of your borrowing
Funds the gap between settling on the new property and receiving the proceeds from your existing home's sale. Agree on the repayment and exit plan before committing.
This is a structure to discuss, not a prescribed allocation. The right proportions depend on your cash reserves, equity, income and expected sale date.
A split structure can help you avoid fixing every dollar while you still need flexibility. However, floating rates are generally more exposed to interest-rate changes, and fixed loans can have early repayment costs if you exceed their permitted extra-payment limits. Split home loan - Fixed vs variable interest rateSplit home loanFloating mortgage & home loans - View rates online
Five questions to ask every lender
Given that flexibility is your top priority, I’d ask each bank to answer these questions in writing:
- How much extra can we repay? Is there a dollar limit or percentage limit each year on fixed-rate portions?
- Can we lower our repayments later? If our circumstances change after the move, can we reduce payments without refinancing or paying a fee?
- Can we access money we've paid in? Is redraw available, and are there restrictions or fees?
- What happens if our current home takes longer to sell? Ask about bridging-loan duration, interest costs, extensions and whether interest-only payments are available.
- What will the total cost be? Compare interest rates, account fees, break costs and any cash contribution clawback if you refinance or repay early.
Bridging finance deserves particular care: you'll need to establish that you can manage both properties' costs, including if the sale takes longer than expected or the sale price is lower than anticipated. Bridging finance - Buying & selling at the same timeBridging FinanceJargon buster | Home loans
My recommendation
I’d start by comparing BNZ, Kiwibank and ASB, then include Westpac and ANZ to see whether their adjustable repayment or revolving-credit features better suit you. I would not choose purely on the advertised mortgage rate: the exact loan conditions matter more for your stated priority.
One question would help me narrow this down considerably:
When you say you want to change your repayments, which matters most to you?
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Captured 11 October 2026