How Much Can I Borrow for a Home Loan in Australia? 2026 Borrowing Capacity Guide

"How much can I borrow?"

It's usually one of the first questions people ask when they're thinking about buying a home.

But there's something many borrowers don't realise: there isn't one universal borrowing capacity figure that applies across every bank in Australia.

One lender may be willing to lend you more than another, even when they're looking at exactly the same income, expenses and debts.

So, how is your borrowing capacity actually calculated, and why can it vary so much?

What is borrowing capacity?

Your borrowing capacity, sometimes called borrowing power, is an estimate of how much a lender may be prepared to lend you based on your financial circumstances and its lending criteria.

Importantly, it's different from your deposit.

You could have a substantial deposit saved but still be limited by borrowing capacity if a lender determines that your income isn't sufficient to service the loan.

Likewise, someone with a smaller deposit may have strong borrowing capacity because of their income and overall financial position.

Both pieces need to work together.

What determines how much I can borrow?

Australian lenders consider a range of factors when assessing your borrowing capacity.

These can include:

Your income

Your salary is an obvious starting point, but lenders may also consider other forms of income such as overtime, allowances, bonuses, commissions, rental income and, depending on your circumstances, self-employed income.

How these income sources are treated can vary between lenders.

Your living expenses

Lenders need to understand what it costs you to live each month.

This can include groceries, utilities, insurance, transport, entertainment, education, childcare and other regular expenses.

Your existing debts

Car loans, personal loans and other financial commitments can reduce the amount you may be able to borrow for a home.

Your credit card limits

This catches some borrowers by surprise.

A lender may take your available credit limit into consideration even if you don't currently owe the full amount.

That means a credit card you rarely use could still have an impact on your borrowing capacity.

Your dependants

The number of people financially dependent on your income can also affect a lender's serviceability assessment.

Your employment

Your employment type and history may influence how a lender assesses your income.

This becomes particularly important for borrowers who are casual, contract, self-employed or earn a significant proportion of their income through overtime or allowances.

Why do different banks give me different borrowing capacity figures?

This is one of the most important things to understand about home lending.

Every lender has its own lending policies and assessment methods.

One lender might treat overtime or bonus income differently from another.

Another may assess your existing debts or expenses differently.

Some lenders may also be better suited to particular employment types or financial circumstances.

This is why entering exactly the same information into several online borrowing calculators can produce different results.

It's also one reason a mortgage broker can be useful.

Rather than assuming one bank's borrowing capacity represents the entire market, a broker can assess your circumstances against a broader range of lenders.

How do interest rates affect how much I can borrow?

Lenders don't simply calculate whether you can afford repayments at the advertised interest rate.

They also assess whether you could continue making repayments if rates were higher.

As interest rates rise, these serviceability calculations can reduce the amount a borrower may qualify for.

That's why your borrowing capacity can change even if your salary, expenses and deposit haven't.

Can I increase my borrowing capacity?

Potentially.

There isn't a universal trick that suddenly increases everyone's borrowing power, but there may be parts of your financial position worth reviewing before applying.

Depending on your circumstances, that could include:

• Reducing unnecessary credit card limits

• Paying down personal or car loans

• Reviewing ongoing expenses

• Building a larger deposit

• Understanding which income sources different lenders may accept

• Choosing a lender whose policies better suit your circumstances

The important part is understanding your position before submitting multiple loan applications.

Is an online borrowing calculator accurate?

Online borrowing calculators can be useful as a starting point, but they should generally be treated as an estimate rather than an approval.

They can't always account for the finer details of your circumstances or the differences between lender policies.

If you're seriously considering buying, getting your borrowing capacity properly assessed can give you a much clearer idea of your realistic property budget.

How much should I borrow versus how much can I borrow?

These are two different questions.

A lender may calculate a maximum amount they're prepared to lend you.

That doesn't automatically mean borrowing the maximum is right for you.

Your own budget should consider things such as lifestyle, savings goals, future expenses, potential changes to your income and how comfortable you'd be if repayments increased.

A good home loan conversation shouldn't only be about finding the biggest number.

It should be about finding a borrowing level and loan structure that makes sense for what you're trying to achieve.

Frequently Asked Questions

How much can I borrow for a home loan in Australia?

There is no single amount or income multiple that applies to every borrower. Your borrowing capacity depends on factors including your income, expenses, debts, dependants and employment circumstances, as well as the lending policies of the lender assessing your application.

Why can one bank lend me more than another?

Banks and lenders use different credit policies and serviceability calculations. They may treat income, expenses and existing commitments differently, which can result in different borrowing-capacity figures for the same borrower.

Does a credit card affect my borrowing capacity if I don't owe anything?

It can. Lenders may consider your available credit limit when assessing your commitments, rather than simply looking at your current balance.

Does a car loan reduce how much I can borrow?

Potentially. Regular repayments on car loans, personal loans and other debts form part of your existing financial commitments and may reduce your capacity to service a home loan.

Does a bigger deposit increase my borrowing capacity?

A larger deposit can improve your overall purchasing position and reduce the amount you need to borrow, but deposit size and borrowing capacity aren't exactly the same thing. A lender will still need to determine that you can afford the proposed loan.

Find out where you actually stand

If you're thinking about buying a home or investment property, understanding your borrowing capacity is one of the best places to start.

An online calculator can give you a rough number.

A proper assessment can give you a much clearer picture.

At Thrive Financial Group, we can assess your circumstances across a broad panel of lenders and help you understand not only how much you may be able to borrow, but which lending options may suit your situation.

If you'd like to understand your borrowing position before you start looking at properties, get in touch with the Thrive Financial Group team for an obligation-free conversation.

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