Quick Answer
Property investment in Australia offers capital growth, rental income and tax benefits including negative gearing and depreciation deductions. Investor home loans typically cost 0.20% to 0.40% more than owner-occupier loans, with a maximum LVR of 80% to 90% depending on the lender. A deposit of 20% avoids Lenders Mortgage Insurance. Using a mortgage broker helps you compare across 60 or more lenders to find the most competitive investor rates and lending policies.
Investor loan rates, LVR limits and serviceability criteria vary significantly between lenders. The difference between the cheapest and most expensive investor variable rate across the market can be more than 1.5%. A broker identifies the most competitive option for your situation.
Financing Your Investment
Investment property finance works differently from owner-occupier lending in several important ways.
Higher interest rates. Investor loans carry a rate premium of 0.20% to 0.40% above equivalent owner-occupier rates. This applies to both variable and fixed products. On a $500,000 loan, a 0.30% premium adds approximately $1,500 per year in interest.
Deposit requirements. Most lenders require 10% to 20% deposit for investment properties. With less than 20%, you may need to pay Lenders Mortgage Insurance (LMI), which is significantly more expensive for investor loans than for owner-occupier loans. Some lenders do not offer LMI for investment loans at all.
Using equity. If you already own a home or another investment property, you can use the equity in that property as your deposit. This is one of the most common strategies for building a portfolio. The lender assesses the current value of your existing property, minus the outstanding loan, to determine how much equity is available.
Rental income shading. Lenders do not count 100% of rental income when assessing your serviceability. Most apply a shading of 80%, meaning they only count 80% of the expected rent. This accounts for vacancies, management fees and maintenance. If the expected rent is $600 per week, the lender only counts $480 per week in their assessment.
Standalone security. Experienced investors typically set up each investment loan as a standalone facility with its own security, rather than cross-collateralising multiple properties under one lender. This provides more flexibility to sell individual properties or refinance without affecting the rest of the portfolio.
Interest-Only vs Principal and Interest
Choosing between interest-only (IO) and principal and interest (P&I) repayments is one of the most important decisions for property investors.
| Feature | Interest-Only | Principal and Interest |
|---|---|---|
| Monthly repayment ($500K at 6.20%) | $2,583 | $3,068 |
| Tax-deductible interest | Higher (full loan balance maintained) | Decreasing over time |
| Debt reduction | None during IO period | Gradual from day one |
| Typical IO period | 1 to 5 years | N/A |
| Rate premium | 0.10% to 0.30% above P&I | Standard rate |
| Best suited to | Cash flow management, tax strategy | Long-term debt reduction |
When IO makes sense. Interest-only repayments keep your holding costs lower during the IO period and maximise the tax-deductible interest expense. This can be advantageous for negatively geared properties where you are claiming the loss as a tax deduction. IO is also useful when building a portfolio, as it preserves cash flow for deposits on additional properties.
When P&I is better. Once your portfolio is established and you are focused on reducing debt, P&I repayments build equity faster. P&I also comes with slightly lower rates and is assessed more favourably by lenders when you apply for additional borrowing.
The IO cliff. When the IO period ends, your repayments increase significantly because you must now repay both the principal and the interest over the remaining loan term. On a $500,000 loan, repayments can increase by $400 to $600 per month when switching from IO to P&I. Plan for this transition.
Tax Benefits
Property investment in Australia comes with several tax advantages that can significantly improve your after-tax returns.
Negative gearing. When the total costs of holding an investment property exceed the rental income, the loss can be offset against your other taxable income. This reduces your overall tax bill. For example, if your investment property generates a $10,000 annual loss and your marginal tax rate is 37%, negative gearing saves you $3,700 in tax. For a detailed explanation, see our complete negative gearing guide.
Depreciation deductions. You can claim depreciation on the building structure (Division 43) and on fixtures and fittings within the property (Division 40). For newer properties, depreciation deductions can be substantial, often $5,000 to $15,000 per year in the early years. A quantity surveyor prepares a tax depreciation schedule that your accountant uses to claim these deductions.
Capital gains tax discount. If you hold the property for more than 12 months before selling, you receive a 50% discount on the capital gain. Only half the gain is added to your taxable income. This discount applies to individuals and trusts, but not to companies.
Deductible expenses. The following costs are tax-deductible for investment properties: loan interest, property management fees, council rates, water rates, landlord insurance, strata levies, repairs and maintenance, advertising for tenants, legal fees related to tenancy, and travel to inspect the property (with limitations).
Interest on an investment loan is only tax-deductible if the borrowed funds are used to purchase or improve the investment property. If you redraw from an investment loan for personal purposes, the interest on the redrawn amount is not deductible. Keep your investment and personal finances strictly separate.
Rental Yield
Rental yield measures the return on your investment from rental income. Understanding yield helps you compare properties and assess cash flow.
Gross yield formula. Annual rent divided by property value, multiplied by 100. A property worth $600,000 with weekly rent of $550 has a gross yield of 4.77% ($550 x 52 = $28,600 / $600,000 x 100 = 4.77%).
Net yield formula. Annual rent minus annual holding costs, divided by property value plus purchase costs, multiplied by 100. Net yield accounts for the real costs of ownership.
| Yield Component | Example Amount |
|---|---|
| Annual rent ($550/week) | $28,600 |
| Less: Property management (7%) | -$2,002 |
| Less: Council rates | -$1,800 |
| Less: Insurance | -$1,500 |
| Less: Strata (if applicable) | -$3,000 |
| Less: Maintenance allowance | -$1,500 |
| Less: Vacancy allowance (2 weeks) | -$1,100 |
| Net rental income | $17,698 |
| Property value + purchase costs | $630,000 |
| Net yield | 2.81% |
Example only. Actual costs and yields vary by property and location.
Gross yields across Australian capital cities typically range from 3.5% to 5.5% for houses and 4.5% to 6.5% for units, though these figures change with market conditions.
Portfolio Strategy
Building a property portfolio requires careful planning around equity, cash flow and borrowing capacity.
Equity release. The most common strategy for funding a second investment property is to use equity from your first. As your first property increases in value, you can access the additional equity (the difference between the current value and the outstanding loan) by refinancing or taking out a separate equity release loan. This equity becomes the deposit for your next purchase.
LVR management. Lenders assess your total debt exposure across all properties. As your portfolio grows, managing your overall LVR becomes increasingly important. Most investors aim to keep their portfolio LVR below 80% to maintain flexibility and reduce the impact of market downturns.
Diversification. Spreading your investments across different property types (houses, units, townhouses) and different locations reduces concentration risk. Holding all your properties in the same suburb or same property type exposes you to localised market downturns.
Cash flow planning. As your portfolio grows, the combined holding costs increase. Model your cash flow across the full portfolio, including vacancy periods, maintenance, rate rises and the impact of IO periods reverting to P&I. A strong cash buffer (3 to 6 months of repayments) protects you against unexpected costs.
Lender diversification. Using different lenders for different properties avoids cross-collateralisation and gives you maximum flexibility. It also means that if one lender changes its policies or pricing, only one property is affected.
What Lenders Look For
Lenders assess investor applications with additional scrutiny compared to owner-occupier loans.
Rental income shading. As noted above, most lenders count only 80% of rental income in their serviceability assessment. This means a property renting for $600 per week is treated as generating $480 per week for assessment purposes.
Existing portfolio assessment. For each existing investment property, the lender assesses the loan repayment as a liability and the shaded rental income as income. The net position (positive or negative) affects your borrowing capacity for the new purchase.
Total debt-to-income ratio. Some lenders now apply a debt-to-income (DTI) ratio cap, typically 6 to 8 times your gross income. If your total borrowings across all properties exceed this ratio, the lender may decline the application regardless of whether you pass the standard serviceability test.
Cash reserves. Lenders want to see that you have sufficient cash reserves or offset balances to cover unexpected expenses and vacancy periods. Some lenders require evidence of savings equivalent to 3 to 6 months of repayments.
Credit history. A clean credit history is essential. Any missed payments on existing loans, even non-property debts, can result in a decline. The more properties you own, the more closely your credit history is scrutinised.
Common Mistakes
These are the errors we see most frequently among property investors.
Over-leveraging. Borrowing the maximum amount on every property leaves no buffer for rate rises, vacancies or market corrections. Conservative investors maintain an LVR below 80% across their portfolio and keep cash reserves for contingencies.
Cross-collateralisation. Linking multiple properties under one lender may simplify the initial process, but it ties your portfolio together. Selling one property or refinancing to a better rate becomes significantly harder. Use standalone security for each loan.
Ignoring cash flow. Capital growth is important, but you still need to fund the holding costs each month. A property with strong growth potential but negative cash flow of $1,000 per month requires you to subsidise it from your personal income. Ensure you can comfortably afford the ongoing costs.
Mixing personal and investment finances. Using an investment loan redraw for personal expenses contaminates the loan and makes the interest on the redrawn amount non-deductible. Keep personal and investment finances completely separate. Use an offset account rather than redraw for investment loans.
Not getting a depreciation schedule. Many investors miss out on thousands of dollars in annual tax deductions by not obtaining a quantity surveyor's depreciation report. The cost of the report (typically $600 to $800) is itself tax-deductible and usually pays for itself in the first year.
Buying based on emotion rather than numbers. Investment property decisions should be driven by data: yield, growth potential, vacancy rates, infrastructure spending and population growth. The property you would live in is not necessarily the best investment.
Going direct to a single bank. Investor lending policies vary dramatically between lenders. One lender's maximum LVR, rate and income assessment can be very different from another's. A broker compares across 60 or more lenders to find the most competitive option.
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Investment property financing is more complex than owner-occupier lending. Talk to a licensed finance broker who can compare rates, assess your borrowing capacity across multiple scenarios and structure your loans for maximum flexibility, at no cost to you.
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