A property price can look workable on a calculator and still be out of reach once repayments, existing debts and day-to-day costs are assessed. If you are asking, “how much can I borrow?”, the useful answer is not simply the largest figure a lender may approve. It is the amount that supports your goal without putting unnecessary pressure on your household or business cash flow.
For Australian borrowers, lending capacity is assessed case by case. Two people with the same salary can receive very different outcomes depending on their commitments, dependants, deposit, credit history and the type of finance they need. Understanding the factors behind the number gives you a far stronger starting point before making an offer, purchasing an asset or expanding a business.
How much can I borrow for a home loan?
For a home loan, lenders primarily assess whether you can meet the proposed repayments after allowing for your existing financial commitments and normal living expenses. This is known as serviceability. It is not limited to what you pay today. Lenders generally test your capacity at a higher interest rate than the rate on offer, often called a serviceability buffer.
That buffer matters. A repayment that feels comfortable at a lower advertised rate may be assessed at a materially higher rate to account for possible changes over the life of the loan. This is why an online borrowing calculator can provide a helpful indication, but cannot replace a full review of your position.
Your borrowing capacity is also different from the purchase price you can target. If you have a $150,000 deposit and can borrow $650,000, your possible purchase budget may be around $800,000 before allowing for stamp duty, legal costs, lender fees and any other purchase expenses. In some cases, using every dollar available for the deposit can leave too little cash for those costs or for an appropriate financial buffer.
Income is more than your base salary
Regular PAYG income is usually the simplest form of income for a lender to assess. However, many borrowers receive income in different ways. Overtime, bonuses, commissions, allowances, rental income and government payments may be considered, although a lender may use only part of the amount or require a demonstrated history.
Self-employed applicants can borrow successfully, but the assessment is usually more detailed. Lenders often review business financials, tax returns, business activity statements and the consistency of income over time. A profitable business does not automatically mean all business income is available for personal loan repayments, particularly where cash flow varies or profits are retained in the business.
For couples, combining incomes may increase borrowing power, yet both applicants’ debts and living costs are assessed too. The best structure is not always the one with the highest theoretical limit. It should reflect ownership, income stability, future family plans and each person’s broader financial position.
Debts and living expenses can change the result quickly
Existing commitments are one of the most common reasons a borrowing estimate changes. Credit cards, personal loans, car finance, student loans, buy now pay later accounts, investment loans and guarantees may all affect serviceability.
Credit card limits deserve particular attention. A lender generally assesses the potential repayment based on the approved limit, rather than the balance you happen to owe that month. Reducing or closing an unused high-limit card before applying may improve your position, provided it makes sense for your wider finances.
Lenders also review declared living expenses alongside their own benchmarks. These include groceries, utilities, transport, insurance, childcare, school costs, medical expenses and discretionary spending. There is no advantage in understating costs. An accurate picture leads to a lending recommendation that is more likely to remain comfortable after settlement.
The deposit, loan-to-value ratio and borrowing power
Your deposit does not directly determine serviceability, but it strongly affects the loan structure. The loan-to-value ratio, or LVR, is the loan amount divided by the property value. A larger deposit creates a lower LVR, which can provide more lender options and may reduce or avoid lenders mortgage insurance.
For example, a buyer purchasing a $900,000 home with a $180,000 deposit needs a $720,000 loan, representing an 80 per cent LVR before costs. A smaller deposit can still be possible, but may bring lenders mortgage insurance, stricter policy requirements or a different interest rate.
First home buyers should also consider whether government schemes or state-based concessions apply to their circumstances. Eligibility rules, price caps and available benefits can affect the cash needed upfront. These measures can be valuable, but they do not remove the need to pass the lender’s serviceability assessment.
Why the maximum amount is not always the right amount
A lender’s maximum is an assessment outcome, not a personal spending target. Borrowing close to the limit can be appropriate for some clients with stable income, low future commitments and strong savings. For others, a lower loan provides more flexibility for parental leave, reduced working hours, home repairs, rate changes or business investment.
Before deciding on a budget, consider the repayment at both the current rate and a higher rate. Think about what happens if one income falls, a fixed rate ends, a tenant leaves an investment property, or a major expense arrives. A clear cash-flow plan is often more useful than stretching to the highest possible purchase price.
This is particularly relevant for investors. Rental income can support an application, but lenders generally apply a discount to account for vacancy, management costs and property expenses. The property may be a sound long-term investment while still requiring contributions from your own income in the short term.
Borrowing for vehicles, equipment and business growth
The question “how much can I borrow?” also applies beyond property. Car, ute and equipment finance, commercial loans and business funding are assessed differently because the purpose, security and expected cash flow vary.
For asset and equipment finance, the lender will consider the asset’s value, age, useful life and resale potential, as well as your personal or business capacity to meet repayments. A late-model vehicle or income-producing piece of equipment may offer more favourable security than a specialised older asset. The loan term should also suit the asset. Financing a rapidly depreciating vehicle over too long a period can leave you owing more than it is worth.
Business lending requires a view of the business behind the request. Lenders may assess turnover, profit, existing liabilities, tax obligations, contracts, debtor cycles and the purpose of funds. Funding stock, purchasing equipment and financing a commercial property each have different risks and suitable structures. A business with strong turnover can still face a constrained borrowing capacity if margins are thin or cash is tied up in unpaid invoices.
SMSF borrowing has additional requirements. Limited recourse borrowing arrangements are tightly structured, and the fund must meet specific legal, financial and lending criteria. The fund’s contributions, liquidity, investment strategy and the proposed property all need careful consideration. Specialist advice is essential before an SMSF enters into a borrowing arrangement.
Steps to get a reliable borrowing estimate
A worthwhile estimate starts with current information, not assumptions. Gather recent payslips or business financials, bank statements, details of all debts, credit card limits, regular expenses, savings and the funds available for a deposit or purchase costs. If you are buying property, having a realistic price range in mind is useful, but do not feel you need to know the exact property before seeking guidance.
It is also wise to check your credit report for errors or forgotten accounts. Avoid taking on new debt, increasing card limits or changing employment shortly before a major application unless it is necessary. These changes do not always prevent approval, but they can require additional explanation or affect the available options.
A finance specialist can compare how different lenders treat your income type, liabilities and proposed security. This is particularly valuable for self-employed borrowers, investors, clients with variable income and business owners, where one lender’s policy may be much more suitable than another’s. MAK Finance Experts helps clients turn the broad question of borrowing capacity into a lending strategy that considers both approval prospects and long-term affordability.
The right borrowing figure should leave room for the life and plans you want to protect. Start with clear numbers, test the scenarios that could change them, and choose finance that supports your next step with confidence rather than pressure.