Mortgage Prison in Australia: Why You Might Be Stuck With Your Home Loan (And How to Get Out)
Rates have gone up, your loyalty hasn't been rewarded, and every time you look at refinancing the numbers don't quite work. There's a name for this. What actually is mortgage prison, and are you in it?
What Is Mortgage Prison?
Mortgage prison is what happens when you want to refinance to a better rate, but a lender won't let you. Not because you're a bad borrower. Often it's the opposite. You've been paying your loan on time for years, but a new lender still won't approve you for the switch.
Finder's 2026 Home Loan Report found that around 36% of Australian borrowers are stuck for reasons like not having enough equity, or having an income that doesn't stretch far enough against today's expenses. More broadly, 54% say they can't switch loans for reasons largely outside their control. That's more than half of borrowers, effectively locked in.
Why More Australians Are Getting Stuck in 2026
A few things are colliding at once. The RBA held the cash rate at 4.35% through August, but the big banks are split on what happens next. NAB expects a rise as early as this month. CBA and ANZ are picking November. Westpac thinks rates stay put for the rest of the year. Whatever happens on 29 September, the uncertainty alone is enough to make lenders more cautious, and caution flows straight into how strictly they assess new applications.
At the same time, cost of living hasn't eased much. Every dollar of extra grocery, insurance or childcare spending on your bank statements gets counted against you when a new lender does the sums.
The Serviceability Buffer Trap
Here's the part that catches people off guard. When you first got your loan, the lender tested whether you could afford it at your rate plus a buffer, usually 3%. That buffer still applies when you try to refinance, even if your current lender never re-tests you as an existing customer.
So if rates have climbed since you first borrowed, a new lender isn't just checking whether you can afford today's repayments. They're checking whether you could afford repayments almost 3% higher again. Many borrowers who could comfortably afford their current loan fail this test on a new one, simply because their income hasn't grown as fast as the buffer requires.
This is a big part of why increasing your borrowing capacity matters even if you're not buying again. The same factors that help you borrow more also help you clear the serviceability bar when you want to switch lenders.
Falling Property Prices Make It Worse
National home prices have now fallen for five straight months and sit around 2.7% below their March peak. For borrowers who bought near the top, or with a smaller deposit, that erodes the equity a new lender needs to see. Less equity plus a stricter buffer test is exactly how someone ends up unable to move, even with a strong repayment history.
Who Gets Caught Out Most
Mortgage prison doesn't hit everyone equally. Finder's data points to some clear patterns.
Borrowers with less than 20% equity in their property
Households where income has stayed flat while expenses have risen
Anyone who fixed their rate a few years ago and is now assessed against current serviceability rules
Lower income earners, who are far more likely to cite expenses as a barrier (45%) compared to high income earners (12%)
There's also a notable gender gap in the data, with women reporting being stuck at a meaningfully higher rate than men
How to Get Unstuck
None of this means you're out of options. It usually means you need a different approach than a straightforward refinance application.
Ask your current lender for a retention offer first. Many will match or beat a competitor's rate for existing customers without a full reassessment, because keeping you costs them less than losing you.
Get a pre-assessment before you formally apply. A broker can check whether you'd pass a new lender's serviceability test before it shows up as a hard inquiry on your credit file.
Focus on paying down the loan, even a little extra each month, to rebuild the equity buffer a new lender wants to see.
Look past headline cashback offers. If you're weighing up whether to refinance, the ongoing rate matters far more over time than a one-off payment.
Trim visible discretionary spending on your bank statements for a few months before you apply. Lenders read these closely, and tidier statements can shift a marginal application.
If you're self-employed or on a variable income, talk to a broker about lenders who assess income differently. Not every lender applies the buffer the same way.
Ready to Check If You're Stuck?
The only way to know for sure if you're in mortgage prison, or just think you might be, is to get an honest read on your numbers before you apply anywhere. That's a conversation, not a credit check.
Call 📞 +61 485 981 099 or email 📧 Lorenzo@echidnaequity.com and we'll walk through your situation with you, no pressure either way.
On a side note, a share of what we earn on every loan we settle goes to the Australian Wildlife Conservancy. Good outcomes for our clients, and a bit of good for the country while we're at it.