Why Lenders Give Different Borrowing Limits in East Brisbane, QLD, What Lenders Check

You've spoken to your bank and walked away with a number. A friend in the same suburb, earning roughly the same salary, got approved for $150,000 more. Same city, same lenders, completely different outcomes. It happens constantly across East Brisbane, and the reason isn't luck.

Every lender runs its own credit policy, and those policies differ on things that matter: how overtime is counted, whether a second job qualifies, how much your credit card limit costs you in borrowing power, and how the APRA debt-to-income cap is applied at any given point in the quarter. The gap between a lender who counts your shift allowances in full and one who shades them by 20% can be $80,000 or more on the same application.

Our team helps buyers across East Brisbane, QLD work out where they actually stand before they apply, comparing across a panel of home loan options from 60+ lenders so the comparison does the work, not a single approval or decline.

Why does the same income produce a different borrowing limit at different lenders?

Because every lender sets its own credit policy, and those policies are not published side by side. Two lenders can both be assessed on the same income, the same debts and the same expenses, and produce borrowing limits that differ by $100,000 or more. The difference comes down to how each lender interprets the same inputs, not to any error on your application.

The RBA cash rate sits at 4.35% and every lender adds the APRA serviceability buffer of 3.0% on top, producing an assessment rate of approximately 9%. That part is consistent. What is not consistent is how lenders treat your income before they plug it into that calculation.

Source: Reserve Bank of Australia; APRA.

How do lenders actually assess your income to set a borrowing limit?

Your base salary is counted at 100% by every lender. Everything else is a policy call. Overtime, shift penalties, commission, bonuses and second-job income are all treated differently depending on which lender your application lands with.

Variable income: where the gap opens up

Most lenders accept somewhere between 80% and 100% of consistent overtime once the history is there. On a borrower earning $30,000 in overtime each year, that single policy difference moves the assessed income by $6,000 and the borrowing limit by roughly $30,000 to $40,000 depending on the rate environment. Shift penalty rates and on-call allowances follow the same pattern. Some lenders take a 12-month average and count it in full; others require two years of history and shade it regardless.

Second jobs and casual income

A second job that has been running for 12 months is accepted by most lenders; a newer arrangement is contested. Casual income assessed like permanent income after a consistent period of roughly 12 months in the same field, but the definition of "consistent" varies. If you're working two roles or recently moved from permanent to casual, the lender choice matters more than the rate.

What other commitments reduce your borrowing limit, and by how much?

Income is only half the calculation. Your ongoing financial commitments are subtracted from your capacity before any borrowing limit is set, and some of those commitments work differently from how most borrowers expect.

The commitments that cost the most borrowing power:

• › Credit card limits: lenders assess approximately 3% to 3.8% of your credit card LIMIT per month as a committed expense, regardless of your actual balance. A $15,000 limit costs you $450 to $570 per month in capacity even if the card is paid in full every month.
• › HECS/HELP debt: the repayment, not the balance, is counted as an ongoing commitment. At incomes where repayments are running at 7% to 10% of gross income, this reduces borrowing capacity meaningfully.
• › Buy now pay later and ATO payment plans: both appear on bank statements and are treated as commitments by most lenders. A small BNPL arrangement or a payment plan left running can trim several thousand dollars from your limit.
• › Living expenses: lenders use the higher of your declared expenses or the Household Expenditure Measure benchmark. Declaring below the HEM floor doesn't help, because the lender substitutes the benchmark.

How does the APRA debt-to-income cap change what lenders will offer in East Brisbane, QLD?

Since 1 February 2026, APRA requires that authorised deposit-taking institutions write no more than 20% of new lending at a debt-to-income ratio of 6 times gross income or higher. The owner-occupier and investor pools are tracked separately. Non-bank lenders are not subject to this cap.

What this means in practice is that a lender's willingness to approve a high-DTI application can change mid-quarter. A lender that readily approved $900,000 applications in January may be more cautious by March if its investor quota is approaching the threshold. The same borrower, with the same income, can get a different answer depending on when they apply and with whom. This is a genuine, current reason why two borrowers with nearly identical profiles receive different limits, and it's one of the least-known inputs to the approval process.

Investors tend to feel the cap first, because investment lending sits at higher DTI ratios on average than owner-occupier lending. If you're buying an investment property in Woolloongabba or Morningside and you already carry a home loan, this is the lender-selection point worth understanding before you apply.

Source: APRA.

Get in touch Need help with your borrowing limit? We're a local team who understand how lenders actually assess your situation, not just your rate. We'll compare your options across 60+ lenders to find the right fit. Chat to Our Team Call 0422 868 524

When does comparing lenders not change your borrowing limit much?

If your income is entirely base salary, your debts are low and your expenses sit comfortably above the HEM benchmark, most lenders will arrive at a similar number. The serviceability buffer is set by APRA and applied consistently, so the inputs that drive variation - income type, debt structure, DTI proximity - matter most when those inputs are contested. A straightforward PAYG application with no variable income and no existing debt tends to land within a narrower band across lenders.

The same is true if your situation already sits well under the 6x DTI threshold. The APRA cap is irrelevant if your borrowing limit is comfortably within it at every lender. In those cases, product features - offset accounts, split options, repayment flexibility - and the rate itself are what differentiate your options, rather than the credit policy that sets the ceiling.

How do mortgage brokers improve borrowing outcomes for buyers in East Brisbane, QLD?

The lender choice decides the outcome more than any other variable when income types are mixed or commitments are complex. Three policy differences move the borrowing limit for East Brisbane buyers, and they're not published anywhere in a way that lets you compare them yourself.

• › Overtime and allowance treatment: some lenders count consistent overtime at 100% after 12 months; others shade it to 80% regardless. On a meaningful overtime component, this is often the biggest single number difference across the panel.
• › DTI quota position: a lender near its 20% DTI ceiling may decline a file another lender on the same panel would write. Knowing which lenders have headroom in their investor or owner-occupier pool at the time of application is a current, real input to lender selection.
• › Credit card limit sensitivity: lenders differ slightly on the commitment rate applied to limits. Closing a card before application is sometimes worth doing and sometimes not, depending on how long until the application and how the lender treats the reduction.

Comparing across a panel finds the lender whose current policy best fits your income structure and commitment position, which is a different question from finding the lowest rate.

What goes wrong when buyers accept the first borrowing limit they're given?

Where buyers lose ground:

• › Treating the first number as fixed: a decline or a low approval from one lender records as a credit enquiry and reduces your options. Applying widely to find the highest number compounds the problem, because each application shows on your file.
• › Leaving credit card limits open: a card with a $20,000 limit costs roughly $600 to $760 per month in assessed commitments regardless of the balance. Closing it one to three months before application removes that load, but timing matters because lenders verify credit files at different points.
• › Applying at the wrong point in the quarter: a lender near its DTI quota may flag or slow an application that would have been routine two months earlier. Borrowers who don't know this often blame their income or credit history when the real issue is quota timing.
• › Not disclosing all income: a lender who doesn't know about the second job can only assess the income on the payslips in front of them. Some lenders require the second role to be disclosed even if you don't want to rely on it, and omitting it can create inconsistencies that delay approval.

Frequently Asked Questions

Does every lender use the same serviceability buffer?

Yes, the APRA buffer of 3.0% is applied on top of the actual rate by every authorised deposit-taking institution. The assessment rate of approximately 9% is therefore consistent, but how much income gets counted before that calculation runs is where lenders differ.

Will closing a credit card before applying always improve my borrowing limit?

Usually, yes, but timing matters. Closing a card removes the limit commitment from your assessed expenses, but some lenders verify credit files at application and others at formal approval. Doing it three months before you apply is typically the cleanest approach.

Can the APRA debt-to-income cap directly affect my application in East Brisbane, QLD?

It can if your DTI is at or above 6 times your gross income. At that level a lender tracking its DTI quota may be less willing to approve the file, even if you'd qualify on serviceability alone. Non-bank lenders are not subject to this cap, so the panel matters.

Is it better to use an offset account or redraw to improve my borrowing position?

Neither improves the initial borrowing limit, which is set before the loan is drawn. Offset and redraw affect your interest costs and flexibility once the loan is running. They're worth discussing, but they don't move the number a lender will approve at application.

Why would two buyers with the same salary get different borrowing limits in the same suburb?

Income type, debt structure and lender-selection timing are the usual reasons. One buyer may have variable income counted differently, a higher credit card limit, or apply at a time when their lender's DTI quota is tighter.

Should I use a mortgage broker or approach my own bank first?

A mortgage broker, every time. Your bank is one lender with one credit policy. A broker runs your income and commitment structure across a panel and identifies which lenders will produce the strongest limit for your specific situation, before any application touches your credit file.

Your Next Steps

Your borrowing limit isn't set by the market, the cash rate or your suburb. It's set by how a specific lender interprets your income type, your debts and your expense profile on the day you apply. Those inputs are moveable, and so is the lender choice.

The right lender for your borrowing situation depends on your circumstances, and that's a conversation worth having. Talk to the AE Finance Solutions team or call 0422 868 524, and we'll compare your options across 60+ lenders.

About the author Abel Desta Director & Mortgage Broker, AE Finance Solutions Abel Desta is the Director and Mortgage Broker at AE Finance Solutions, an East Brisbane brokerage. Specialising in home finance, he helps first home buyers, upgraders and investors across the East Brisbane region. Abel is a credit representative (467836) of LMG Broker Services Pty Ltd (ACN 632 405 504), Australian Credit Licence 517192, and compares loans across a panel of 60+ lenders at no cost to the borrower. Meet Abel → LinkedIn

AE Finance Solutions, QLD, Australia. This is general information only - this article does not constitute financial advice. Please consider your own circumstances and seek professional advice before making any financial decisions.