Can You Get a Mortgage With Debt in New Zealand?
If you have debt and you're thinking about buying your first home, there's a good chance you've already talked yourself out of it.
You've looked at your car loan, your credit card, your Afterpay account — and quietly decided that the bank will just say no.
I want you to understand your options before you make that decision.
Yes, you can get a mortgage in New Zealand even if you have existing debt. Having a car loan, credit card, personal loan or Afterpay account doesn't automatically prevent you from buying a home.
Twenty years ago, I was a first-home buyer sitting across from an adviser who didn't explain the process properly. That experience is part of why I take the time to explain things clearly now — including the parts that most people find confusing or embarrassing to ask about.
One of the most common misconceptions I encounter as a mortgage adviser is that first-home buyers believe they need to repay all their debts before applying for a mortgage.
They often tell me they want to clear everything first because they think it will make their application look better.
But that's not necessarily how banks assess mortgage applications.
Banks understand that most people don't have perfect finances. They don't expect every home loan applicant to be completely debt-free.
What matters is whether you can afford the proposed mortgage alongside your other financial commitments, how you've managed those commitments and whether you meet the lender's requirements.
In some circumstances, I can even arrange for certain debts to be repaid as a condition of mortgage approval , rather than requiring clients to repay them before applying.
The important thing is understanding your options before making financial decisions that may not be necessary.
Can You Get a Home Loan in NZ With a Car Loan, Credit Card or Personal Loan?
Yes. New Zealand banks regularly assess mortgage applications from people who have existing consumer debt.
That could include:
Credit card balances and limits
Car loans
Personal loans
Buy now, pay later facilities, such as Afterpay
Overdrafts
Student loans
The bank considers how these commitments affect your ability to afford the mortgage.
For example, someone with a strong income, a reasonable deposit and a manageable car loan may still qualify for a home loan.
However, someone with the same income but substantial monthly debt repayments could qualify for a considerably smaller mortgage.
The question isn't simply whether you have debt. It's how that debt affects your overall financial position.
If you'd like to understand how lenders calculate borrowing capacity, read my guide on how much you can borrow for a home loan in New Zealand .
How Does Existing Debt Affect Your Mortgage Borrowing Capacity in NZ?
When a bank assesses your mortgage application, it calculates whether your income is sufficient to meet the proposed mortgage repayments and your other financial commitments.
Existing debt repayments reduce the income available to service the mortgage.
This can affect the maximum amount the bank is prepared to lend.
However, different types of debt can be treated differently.
If you're unsure whether to reduce debt or keep saving, read my guide on whether to pay off debt or save for a house deposit first .
Credit cards: why the limit can matter more than the balance
This is something many first-home buyers don't realise.
When assessing a credit card, banks commonly calculate an assumed monthly repayment based on the approved credit limit , rather than simply using the amount you currently owe.
A lender might, for example, use 3% of the credit card limit as an assumed monthly commitment.
Consider the following illustration:
$5,000
$150
$10,000
$300
$15,000
$450
$20,000
$600
These are illustrative calculations. Actual assessment methods vary between lenders.
Imagine you have two credit cards with combined limits of $20,000, but you only owe $1,000.
Even though the outstanding debt is relatively small, a lender using a 3% assessment could include $600 per month in its affordability calculation.
That could make a meaningful difference to your borrowing capacity.
Can reducing your credit card limit help you get a bigger mortgage in NZ?
Yes, reducing or closing unnecessary credit card facilities can improve your assessed mortgage affordability.
I've seen situations where reducing credit card limits made a meaningful difference to the amount a bank was prepared to lend.
This is why I review credit card limits carefully when assessing a client's financial position.
Sometimes improving an application doesn't require using thousands of dollars in savings to repay debt.
It may involve reducing access to credit that the client doesn't need.
Of course, any outstanding balance still needs to be repaid, and changes to credit facilities should be considered in the context of the client's overall finances.
How Does a Car Loan Affect Your Mortgage Borrowing Capacity in NZ?
Having a car loan doesn't automatically prevent you from qualifying for a mortgage.
However, the repayments can reduce your borrowing capacity.
For example, if you're paying $500 per month towards a car loan, that is $500 of your income that isn't available to service a mortgage.
The bank will assess the commitment alongside your other debts, living expenses and proposed mortgage repayments.
Whether it makes sense to repay the car loan before buying depends on your circumstances.
I don't automatically recommend that clients use their deposit savings to clear a car loan.
Instead, I calculate whether they can afford the proposed mortgage with the car loan still in place.
If the numbers work, there may be no need to repay it for mortgage approval.
If the repayments prevent the application from meeting the bank's affordability requirements, we can investigate whether repaying the loan would improve the position sufficiently.
The objective is to retain an adequate deposit while ensuring the mortgage is affordable.
How Does Afterpay or Buy Now Pay Later Affect a Mortgage Application in NZ?
Buy now, pay later facilities such as Afterpay can affect a mortgage application.
Depending on the lender, the bank may assess the actual repayments you've declared or that can be verified, or calculate a repayment allowance based on a percentage of the facility limit.
These commitments may appear relatively small individually.
However, when combined with credit cards, personal loans and other expenses, they can reduce the amount available for mortgage repayments.
The key consideration is how much of your income is already committed.
Having an Afterpay account doesn't automatically mean a bank will decline your mortgage application.
But it is something that needs to be included in an accurate assessment of your financial position.
Why Is Consumer Debt More Important When You Have Less Than a 20% Deposit?
Banks are generally more cautious about substantial consumer debt when an applicant has a deposit below 20%.
There are two reasons.
First, the bank is lending a higher percentage of the property's value.
Second, existing consumer debt repayments reduce the borrower's capacity to manage the mortgage, particularly if their financial circumstances change.
For someone purchasing with a 5% or 10% deposit, these factors can become particularly important.
In my experience, some lenders apply additional restrictions to consumer debt when considering low-deposit applications.
For example, one lender uses a general guideline that an applicant's consumer debt should be lower than their deposit when purchasing with less than 10%.
I've also found that lenders participating in the First Home Loan scheme commonly prefer applicants to have relatively modest consumer debt, often around $10,000 or less.
These are lender-specific assessment practices, not universal rules that apply to every bank or every application.
A client with more debt may still be considered, depending on the lender and their circumstances.
What becomes particularly important is strong mortgage affordability and excellent account conduct.
For more information about lower-deposit lending, read First Home Loan NZ: How to Buy Your First Home With a 5% Deposit .
Five Credit Warning Signs That Can Affect Mortgage Approval in NZ
Banks don't only consider whether you can afford the mortgage based on your income and expenses.
They also look at how you've managed your financial commitments.
Having spent nine years assessing home loan applications for a major bank, I know how important this part of the assessment can be.
Here are five warning signs I pay particular attention to.
1. Multiple recent credit enquiries
Numerous applications to different credit providers can raise questions.
For example, if someone has repeatedly applied for new credit, a lender may want to understand whether they're borrowing to meet existing financial commitments.
A credit enquiry doesn't automatically mean someone is experiencing financial difficulty.
However, a pattern of applications may require an explanation.
2. Credit cards consistently at their limits
A credit card that's regularly maxed out can suggest that someone is relying heavily on borrowed money.
The concern isn't simply the amount outstanding.
It's whether the borrower has sufficient income to manage their expenses without continually using all their available credit.
3. Missed payments and dishonours
Missed loan repayments and dishonoured payments can raise concerns about financial management.
Banks want confidence that borrowers will make their mortgage repayments consistently and on time.
A history of missed payments may prompt further questions, particularly if the incidents are recent or repeated.
4. Defaults recorded on a credit report
A default is a more serious concern.
From the bank's perspective, if an applicant has failed to meet commitments to another credit provider, it needs to consider the risk of the same thing happening with its mortgage.
However, the circumstances behind a default matter.
I'll explain this further below.
5. A persistent or hard-core overdraft
An overdraft can be useful for managing short-term cash-flow fluctuations.
However, a hard-core overdraft is different.
This is where the account remains persistently overdrawn rather than regularly returning to a positive balance through normal account activity.
It can suggest that the borrower doesn't have sufficient cash flow to clear the overdraft.
In some circumstances, restructuring the overdraft into a term loan with regular repayments may be worth considering.
The appropriate solution depends on the client's financial position.
Should You Repay All Your Debt Before Applying for a Mortgage in NZ?
Not necessarily. In some circumstances, repaying debt before applying could leave you with less deposit than you need to purchase a home.
This is one of the most important messages I want first-home buyers to understand.
Suppose you have:
$60,000 available for your deposit
A car loan with $15,000 outstanding
Sufficient income to potentially qualify for a mortgage
If you immediately repay the car loan using your savings, your available deposit falls to $45,000.
That may improve your mortgage affordability because the car loan repayments disappear.
But it also reduces the amount you have available towards the purchase.
Depending on the property's price and the lender's deposit requirements, that could create another problem.
How I assess this situation
My first step is to calculate the client's mortgage affordability with their existing debt still in place.
If they can comfortably service the proposed mortgage alongside their other commitments, repaying the debt may not be necessary for approval.
If the existing debt prevents the application from meeting the lender's requirements, I assess what would happen if the debt were repaid.
We then need to establish whether the remaining deposit would still be sufficient.
This is why I don't believe first-home buyers should automatically use their savings to repay debt before understanding their borrowing position.
I've covered this decision in more detail in Should I Pay Off Debt or Save for a House Deposit in NZ? .
Can a Bank in NZ Approve Your Mortgage on the Condition That You Repay Debt First?
Yes. Depending on the lender and the circumstances, a mortgage can be conditionally approved subject to specified debts being repaid before the loan is advanced.
This is an approach I've used successfully for clients.
Rather than requiring someone to repay their debt before submitting the application, I may present the application on the basis that certain debts will be cleared as a condition of approval.
For example, the bank might agree to approve a mortgage provided the client repays a particular personal loan and supplies evidence that the debt has been cleared.
This can be particularly useful where the client has cash available, or expects to receive funds, to repay the debt.
The advantage is that the client doesn't necessarily need to use those funds before knowing whether the lender is prepared to support the application.
If the application doesn't proceed, the client hasn't unnecessarily used their available cash to repay the debt.
However, the bank must agree to the arrangement, and the client must have sufficient funds to meet the condition while retaining the required deposit.
It's also important to understand that conditional approval isn't the same as unconditional approval. All relevant conditions must be satisfied before the mortgage can proceed.
You can learn more in my guide to mortgage pre-approval in New Zealand .
Real Client Example: Buying a Home With a 5% Deposit Despite Significant Debt
One of the best examples of why I don't automatically recommend repaying all debt before applying involved first-home buyers whose existing consumer debt was greater than their available deposit.
This made the application particularly challenging because they wanted to purchase with a 5% deposit.
However, the clients' son was prepared to provide them with a financial gift.
Rather than requiring the clients to use the gift to repay debt before applying, I presented the mortgage application on the basis that the gift would be used to clear the specified debt as a condition of approval.
This allowed the bank to assess the clients' position with those repayments removed from the mortgage affordability calculation, subject to the debt actually being repaid.
The clients successfully purchased their first home with a 5% deposit, despite starting the process with substantial consumer debt.
The outcome depended on their overall financial circumstances, the availability of the family gift and the lender accepting the proposed arrangement.
Not every client will have access to a family gift, and this approach won't be suitable for every application.
But it illustrates why understanding a lender's requirements and structuring an application appropriately can make a meaningful difference.
Had these clients simply assumed that their existing debt made homeownership impossible, they might never have explored their options.
Can You Get a Mortgage in NZ if You Have a Credit Default or Bad Credit History?
Potentially, yes.
A poor credit history can make obtaining mortgage approval more difficult, but it doesn't automatically mean you'll never qualify.
When I assess a client who has a previous credit default, one of the first things I want to understand is why the default occurred .
There may have been extenuating circumstances beyond the client's control.
For example, an unexpected event may have temporarily affected their ability to meet financial commitments.
The bank will want to understand what happened, whether the problem has been resolved and how the applicant has managed their finances since then.
What if the default happened three years ago?
In my experience, a default that occurred around three years ago may not necessarily prevent a mainstream bank from considering an application.
However, this isn't a universal rule or guarantee.
The lender will consider the circumstances, the seriousness of the credit issue, the applicant's more recent financial conduct and its own credit policy.
My approach would generally be to contact a potential lender first, explain the circumstances and establish whether it's prepared to consider the application before formally submitting it.
This can avoid an unnecessary application where the lender's policy is unlikely to accommodate the client's situation.
A previous credit problem should be investigated and explained, not automatically treated as the end of someone's homeownership plans.
Should You Apply for a Mortgage Now or Spend Time Improving Your Credit History First?
Sometimes the best approach is to apply now.
Other times, it's better to spend a few months improving your financial position before submitting an application.
For example, if a client has recently experienced missed payments, dishonours or persistent overdraft problems, I may recommend that they first demonstrate a period of improved account conduct.
This can be especially important when approaching a lender that isn't their existing bank.
A new lender doesn't have the benefit of an established banking relationship with the client.
It needs to assess the financial information, credit history and account statements provided.
Several months of consistent financial management can help demonstrate that previous problems have been addressed.
That might involve:
Making all repayments on time
Reducing reliance on credit
Maintaining accounts within their limits
Demonstrating regular savings
There isn't one preparation period that suits everyone.
The appropriate timeframe depends on the problems identified and the lender's requirements.
The important thing is having a clear plan rather than simply waiting and hoping the application will improve.
How Can You Improve Your Chances of Mortgage Approval if You Have Debt in NZ?
If you're planning to buy your first home and already have consumer debt, there are several areas worth reviewing.
Understand your current borrowing capacity
Before making major changes to your finances, establish how much you could potentially borrow with your existing commitments.
You may discover that you can already qualify for the mortgage you need.
Review unnecessary credit card limits
If you have access to substantial credit that you rarely use, reducing those limits may improve your mortgage affordability assessment.
Avoid taking on additional debt
New car loans, personal loans and other credit commitments can reduce borrowing capacity.
If you're preparing to purchase a home, it's worth understanding the potential mortgage implications before taking on new debt.
Improve your account conduct
Paying bills on time, avoiding dishonours and demonstrating responsible financial management can help strengthen your application.
Consider whether debt repayment is necessary
Don't automatically sacrifice your deposit to repay debt.
Establish whether the debt is actually preventing you from meeting the lender's affordability requirements.
Get advice before submitting an application
Different banks have different lending policies.
A lender that isn't suitable for one applicant may be appropriate for another.
Understanding those differences before applying can save time and help avoid unnecessary credit applications.
If you're still working towards your deposit, my guide to how much deposit you need to buy a house in New Zealand may also help.
Frequently Asked Questions About Getting a Mortgage With Debt in NZ
Can I get a mortgage if I have a car loan?
Yes. A car loan doesn't automatically prevent mortgage approval. The lender will include the loan repayments in its affordability assessment, which may reduce how much you can borrow.
Do I need to pay off my credit card before applying for a mortgage?
Not always. Banks commonly assess credit cards using their approved limits, so reducing an unnecessary limit may improve borrowing capacity. Whether the outstanding balance needs to be repaid depends on your circumstances and the lender's requirements.
Does Afterpay affect getting a mortgage in New Zealand?
Yes, it can. Lenders may include actual buy now, pay later repayments or an assessed commitment based on the facility limit when calculating mortgage affordability.
Can I get a mortgage with $20,000 in debt?
Potentially. There isn't one debt amount that automatically determines whether you'll qualify. Your income, deposit, repayments, credit history and the lender's policy all matter. Substantial debt can make approval more challenging, particularly with a small deposit.
Can I get a mortgage with a 5% deposit and existing debt?
Possibly. Some lenders may consider applicants with a 5% deposit and existing consumer debt, but low-deposit lending can involve stricter assessment requirements. The lender must be satisfied that you can comfortably afford all relevant commitments.
Can a bank approve my mortgage if I agree to repay debt?
Yes, in some circumstances. A lender may issue conditional approval requiring specified debts to be repaid before the mortgage is advanced. The lender must agree to the arrangement, and you must have sufficient funds to satisfy the conditions.
Can I get a mortgage if I had a credit default three years ago?
It's possible, depending on the circumstances. Banks consider why the default occurred, its seriousness, your subsequent financial conduct and their lending policies. A default from three years ago doesn't guarantee either approval or decline.
Should I repay debt or save a bigger house deposit?
It depends on which factor is limiting your ability to purchase. Repaying debt can improve mortgage affordability, but it may also reduce your deposit below the lender's requirements. Both scenarios should be assessed before deciding.
Final Thoughts: Don't Wait Until Your Finances Are Perfect to Understand Your Mortgage Options
If there's one message I want first-home buyers to take away from this article, it's this:
The sooner you understand what you need to do to qualify for a mortgage, the sooner you can put a plan in place to get there.
I regularly speak with people who believe they should spend another year or two repaying all their debts before approaching a mortgage adviser.
Sometimes that may be necessary.
But sometimes it isn't.
Reducing a credit card limit might improve borrowing capacity. A lender may be prepared to approve a mortgage subject to certain debts being repaid. Or a client may benefit from spending a few months demonstrating improved account conduct.
The right approach depends on the individual's circumstances.
I believe in giving clients straightforward, realistic advice.
If you're in a position to buy, I'll explain your options.
If you're not ready, I'll explain why and what needs to change.
I don't believe in sugarcoating someone's financial position, but I also don't believe in telling people they can't buy a home without properly investigating their options.
I believe that people who are willing to find out where they actually stand — even when they're worried about what they'll hear — are the ones who end up making genuinely confident decisions. That's who I'm here for.
You don't need to have perfect finances before seeking mortgage advice. You need to understand where you stand and what to do next.
Find Out How Ready You Are to Buy Your First Home
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Start with Lookahead's free 3-Minute Mortgage Quiz .
It's a safe place to start — no judgment, no pressure, just clarity on where you stand and what to do next.
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Andre Botha is a mortgage adviser at Lookahead. With more than 20 years of experience in financial services, including nine years assessing home loan applications for a major bank, he helps New Zealanders understand their borrowing options and make informed financial decisions.
Disclaimer: This article provides general information only and does not constitute personalised financial advice. Mortgage eligibility, credit assessment methods, lender policies and government scheme requirements vary and may change. Seek advice relevant to your circumstances before making financial commitments.