How to Finance Your First Investment Property

Borrowing for your first rental property is different from borrowing for a home you live in.

Lenders assess your ability to service the loan differently, the interest rate is usually higher, and the deposit requirements are stricter. You also need to understand how recent changes to negative gearing and capital gains tax will affect properties purchased now. The decision you're making is whether to proceed with this purchase under the new rules, and which loan structure positions you to manage both the upfront cost and the long-term cash flow.

How Lenders Assess Your First Investment Loan Application

Lenders test your capacity to service an investment loan by applying a buffer of three percentage points above the product rate and using only 80 per cent of the expected rental income.

They also apply a debt-to-income cap. From February this year, lenders can fund no more than 20 per cent of new investor loans at a DTI of six times or greater. If your household income is $120,000 and your total borrowing including the new loan would be $720,000 or more, you fall into that restricted category. Lenders manage this by either declining the application or requiring a larger deposit to bring the loan amount down. Borrowers with multiple existing debts, including car finance or personal loans, reach that ceiling faster.

Consider a buyer with a household income of $140,000, an owner-occupied mortgage of $450,000, and a car loan of $25,000. Total existing debt is $475,000. If they want to borrow $400,000 for a rental property, total debt becomes $875,000, which is 6.25 times income. That application sits inside the restricted portion of the lender's portfolio. A deposit large enough to reduce the investment loan amount to $365,000 would bring total debt to $840,000, or exactly six times income, improving the chance of approval.

Deposit and Lenders Mortgage Insurance for Property Investors

You need a deposit of at least 10 per cent of the property price to borrow for an investment property, but a 20 per cent deposit lets you avoid Lenders Mortgage Insurance.

LMI on an investor loan is calculated at a higher rate than for an owner-occupier, and the premium can add several thousand dollars to your upfront costs. On a property purchased for $600,000 with a 10 per cent deposit, LMI might cost between $15,000 and $20,000 depending on the lender. That premium can be capitalised into the loan, but it increases the amount you owe and the interest you pay over time. A 20 per cent deposit removes that cost entirely and also improves your interest rate, because lenders price loans partly on the loan-to-value ratio.

If you already own property, you may be able to use equity in that property as part or all of the deposit. Lenders will allow you to borrow up to 80 per cent of the value of your existing home without requiring LMI, provided your serviceability supports the total debt. Using equity can preserve cash for settlement costs, but it also increases the debt secured against your home. Understanding your borrowing capacity across both properties is important before committing to a purchase.

Interest Rate Structure: Variable, Fixed, or Interest-Only

Investor interest rates sit between 0.3 and 0.6 percentage points above owner-occupier rates, and the structure you choose affects both your repayments and your flexibility.

A variable rate loan tracks movements in the cash rate and allows you to make extra repayments or redraw without penalty. A fixed rate locks in your repayment for a set period, usually between one and five years, but limits your ability to pay down the loan early without incurring break costs. Many investors split the loan between variable and fixed to balance certainty and flexibility.

Interest-only repayments are common on investor loans because they reduce the monthly cash outflow and allow you to claim the full interest amount as a deduction. An interest-only period usually lasts five years, after which the loan reverts to principal and interest unless you apply to extend it. On a loan of $500,000 at a variable rate of 6.5 per cent, interest-only repayments are around $2,700 per month. Once the loan reverts to principal and interest over the remaining term, repayments jump to approximately $3,600 per month if 25 years remain. You need to plan for that increase, particularly if rental income only just covers the interest-only payment.

How the New Negative Gearing Rules Apply to Your First Investment Property

Properties purchased from 12 May this year are subject to quarantined negative gearing unless they qualify as an eligible new build.

Under the quarantine rules, if your rental property makes a loss, you can only offset that loss against other residential rental income or carry it forward to offset future rental income or capital gains on residential property. You cannot offset the loss against your salary or other income. This changes the appeal of negatively geared properties for buyers who were relying on the tax refund to subsidise the holding cost.

An eligible new build is defined as a dwelling constructed on previously vacant land, or a property where the total number of dwellings increases. A knock-down rebuild that replaces one house with one house does not qualify. If you buy an eligible new build, you can continue to negatively gear under the old rules and offset losses against your wage income. That carve-out is designed to encourage investment in new housing supply. Properties purchased before 12 May retain access to the old negative gearing rules until they are sold, so anyone who exchanged contracts before that date is unaffected.

Capital Gains Tax and the Shift to Indexation

From 1 July next year, the 50 per cent CGT discount is replaced with cost base indexation and a minimum 30 per cent tax rate on real capital gains for most investment properties.

Indexation adjusts the purchase price using the Consumer Price Index, so only the gain above inflation is taxed. The minimum 30 per cent rate applies to that indexed gain, regardless of your marginal tax rate. If you are on a lower marginal rate, this increases your tax liability. If you are on the top marginal rate, the 30 per cent minimum may reduce it. Eligible new builds retain the option to elect the 50 per cent discount instead of indexation, which preserves some of the previous tax treatment for buyers willing to purchase new stock.

Gains that accrued before 1 July next year are calculated under the old rules. Only gains that accrue after that date are subject to the new regime. If you buy a property now and sell it in ten years, the gain will be split between the pre-July period and the post-July period, with each portion taxed under the relevant rules. This transitional arrangement is complex, and anyone considering a purchase should speak to a tax adviser before proceeding.

Interest Deductibility and the Purpose Test

You can claim a deduction for interest on a loan used to purchase or hold a rental property, but the deduction depends on the purpose of the borrowing, not the security.

If you refinance an investment loan and draw additional funds for a private purpose, such as buying a car or funding a holiday, the interest on that additional amount is not deductible. Lenders do not track the purpose of redraws or top-ups for tax purposes. That responsibility sits with you. Keeping loan accounts separate for investment and private purposes makes record-keeping clearer and reduces the risk of errors when preparing your tax return.

Interest on borrowings to cover holding costs, including interest itself, is also deductible provided the property remains available for rent. If the property is vacant for an extended period and you are not genuinely seeking tenants, the ATO may disallow some or all of the deductions for that period. Most lenders do not require proof of rental income before settling an investment loan, but you will need that income to support a refinance or further borrowing in future.

Loan Features That Matter for Property Investors

Redraw, offset and portability are the three features that affect how you manage an investment loan over time.

An offset account linked to a variable rate loan reduces the interest you pay without affecting your deductibility, because the loan balance remains unchanged. Redraw allows you to access extra repayments you have made, but those funds are not as liquid as an offset and some lenders charge a fee. Portability lets you transfer the loan to a different property without refinancing, which can save time and cost if you sell one rental and buy another.

Interest-only loans typically do not offer redraw, because you are not paying down the principal. If you want the ability to park surplus cash and reduce interest, a variable rate loan with an offset account is a better structure than a fixed rate loan, which usually does not support offset. Some lenders allow partial offset on fixed rate loans, but the functionality is often limited. Choosing the right combination of features depends on how you plan to manage the loan and whether you expect to make extra repayments or draw on equity later.

What This Means for Your Purchase Decision

The decision to proceed with your first investment property now depends on whether the rental income covers the loan repayments under a quarantined negative gearing model, and whether you are comfortable holding the property long enough for the capital growth to justify the revised CGT treatment.

Positively geared properties are more viable under the new rules because there is no loss to quarantine, but those properties are harder to find in most capital city markets. Regional areas and higher-yielding markets may offer better cash flow, but you need to factor in vacancy rates, body corporate fees if applicable, and the cost of property management. A rental yield of 5 per cent or more is typically needed to cover interest-only repayments, rates, insurance, and maintenance once you account for periods of vacancy.

If you are considering an eligible new build to retain access to the old negative gearing rules, confirm with your solicitor or conveyancer that the property meets the definition before exchanging contracts. The ATO has not yet released detailed guidance on how the eligibility test will be applied in every scenario, and there is a risk that some properties marketed as new builds may not qualify once the rules are tested.

Call one of our team or book an appointment at a time that works for you. We can walk through your income, existing debts, and deposit position to confirm what you can borrow, and help you weigh up whether the structure and timing of this purchase make sense under the current tax and lending settings.

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