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I bought my first home last year and I'm a contractor, so my income goes up and down. My bank doesn't seem to understand that when I ask about my repayments. Are there banks that are better with contract or self-employed borrowers, and is it worth switching?
Congratulations on buying your first home! Being a contractor can make mortgages more complicated than they need to be, especially when your income varies from month to month but your mortgage repayments stay the same.
Yes, some New Zealand lenders may be a better fit for contractors and self-employed borrowers. But the best bank for you isn't necessarily the one with the lowest advertised interest rate. It's the one that understands your income pattern, assesses your ability to repay fairly, and offers flexibility when cash flow gets tight.
Because you've only owned your home for about a year, I'd look at two things separately: whether your current bank can give you a better repayment arrangement, and whether another lender would assess your circumstances more favourably.
1. Which New Zealand lenders are worth investigating?
I'd start with these options. This is a shortlist to investigate, not a claim that one bank is definitively best for contractors.
ANZ New Zealand
Worth including in a comparison of mainstream banks. Ask how they assess variable contract income, whether they can review your repayment structure, and what evidence they need to understand your earnings.
Best for: comparing mainstream lending and existing-loan options.
BNZ
BNZ publishes guidance for refinancing and accepts business financial statements from self-employed applicants. Ask how its assessment would treat your contract history and fluctuating income. Refinancing your home loanPreparing for a home loan appointment
Best for: a concrete alternative quote from a major bank.
Kiwibank
Worth including when comparing a New Zealand-owned bank's lending assessment and mortgage structures. Ask whether your income evidence and repayment needs fit its criteria.
Best for: another mainstream comparison.
Luminate
A specialist option that explicitly works with self-employed people, contractors and company owners. It considers factors such as cash flow, business accounts and retained profits. Ask whether its lending options suit your existing mortgage, not just a new purchase. Self-employed home Loans NZ | Mortgage Lending Options
Best for: a more tailored assessment if a standard bank struggles to interpret your income.
One important distinction: a lender that is good at approving a self-employed person for a new mortgage isn't necessarily better at adjusting repayments on an existing one. Some specialist lenders may also charge higher rates or fees, so compare the whole arrangement.
2. What matters more than the bank's name?
When you're a contractor, the key is how a lender interprets your income.
For example, your earnings might look like this:
- Month 1: $12,000 invoiced
- Month 2: $4,000 invoiced
- Month 3: $9,000 invoiced
A good assessment should look beyond one quiet month. Depending on your business structure and the lender's policy, it may consider your accounts, tax returns, contract history, current work pipeline and income after business expenses. Some lenders have specific requirements for how long you've been self-employed. How NZ banks assess self-employed income for a mortgageSelf-employed home Loans NZ | Mortgage Lending Options
I'd specifically ask prospective lenders:
- How many years of financial statements or tax returns do you require?
- Can you consider confirmed upcoming contracts as well as historical income?
- How do you calculate income if I operate through a limited company?
- Can you structure repayments around my cash flow without making the mortgage more expensive overall?
3. Is switching banks worth it?
Potentially, yes — but I would explore a restructure with your current bank first.
| Option | When it could help | Main trade-off |
|---|---|---|
| Restructure your current loan | You want more manageable repayments or a different fixed/floating split | Your bank may not offer the flexibility you need |
| Refinance to another mainstream bank | Another lender offers a better rate or more suitable structure | New lending approval, legal costs and possible break fees |
| Use an offset or revolving-credit facility | You have cash reserves that vary with invoice payments | Requires discipline; interest and access conditions vary |
| Consider a specialist lender | Mainstream banks struggle with your income documentation | Potentially higher rates, fees or stricter conditions |
Before switching, calculate the total cost, including any fixed-rate break fee, legal fees and repayment of an existing cashback incentive. Also check whether the new bank's offer requires you to stay for a set period. BNZ's refinancing guidance explains these potential costs. Refinancing your mortgageMortgages and home loans
And if the problem is that your income is temporarily too low to cover repayments, don't wait for a refinance to solve it. Contact your current bank early and ask what short-term assistance is available. New Zealand borrowers experiencing financial hardship can apply for certain changes to their loan contract, subject to eligibility and assessment. Hardship and financial difficultyFinancial hardship application
4. My recommended next step
I'd speak to an independent, licensed mortgage adviser who regularly handles self-employed borrowers. Ask them to compare at least two mainstream banks and one specialist option, using your actual income figures. You can ask about fees and which lenders they work with before engaging them; Consumer Protection NZ explains what to check when choosing a mortgage broker. Mortgages and home loans
Get these documents together first:
- Your last two years of financial statements and tax returns, if available.
- Your current mortgage balance, interest rate and fixed-rate expiry date.
- A summary of monthly income, business expenses and personal drawings.
- Current contracts and evidence of upcoming work.
- Your savings buffer and the repayments you could comfortably sustain in a quiet month.
Let me narrow this down to your situation
There's one key question that will help me distinguish whether you need a more flexible mortgage or a bank that's better at assessing contractor income.
You don't need to share your bank account details, exact income or mortgage balance to get started. With those three answers, I can give you a much more targeted shortlist and explain whether switching is likely to be worthwhile.
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Captured 11 October 2026