The Pros and Cons of Investment Loans in Stirling

Investment Loan Decisions Start with Rental Market Reality

Investment loan applications in Stirling depend on how lenders assess rental income against the property's capacity to generate consistent returns. The rental market in this area directly affects how much you can borrow, which loan structure suits your situation, and whether your investment supports long-term portfolio growth.

How Lenders Use Rental Income in Borrowing Calculations

Lenders typically assess 80 per cent of the expected rental income when calculating your borrowing capacity for an investment property. A three-bedroom unit in Stirling renting at $650 per week would contribute $27,040 annually to your serviceability assessment, but lenders apply only $21,632 of that figure. That reduction accounts for vacancy periods, maintenance costs, and the possibility that rental income may not remain constant across the life of the loan.

This approach affects how much you can borrow, particularly if you hold multiple investment loans or are refinancing to access equity for additional purchases. Lenders also assess the loan at an interest rate at least 3.0 percentage points above the actual product rate. If your variable rate sits at 6.2 per cent, serviceability is tested at 9.2 per cent or higher. That buffer has been in place since late 2021 and applies to every new loan, whether you are buying your first rental property or your fifth.

Stirling's Rental Market and Investor Demand

Stirling sits within the City of Stirling, one of the more established local government areas north of Perth's CBD. The suburb attracts a mix of young families, professionals, and students due to its proximity to Edith Cowan University and reasonable access to the Mitchell Freeway. Rental demand tends to be consistent, though vacancy rates can vary depending on the time of year and the type of property.

Units and townhouses closer to Scarborough Beach Road and the university precinct generally experience shorter vacancy periods than larger homes further from transport and amenities. Investors looking at properties in Stirling should consider how location within the suburb affects both rental yield and tenant stability. A property that appeals to students may have higher turnover but shorter vacancy windows, while a family home may attract longer leases with less frequent tenant changes.

Interest Only or Principal and Interest for Investment Loans

Interest-only repayments allow investors to reduce monthly cash flow pressure, which can be useful in the early years of holding a property. Consider an investor who borrows $450,000 at a variable rate of 6.2 per cent on an interest-only basis for five years. Monthly repayments would sit at approximately $2,325, compared to around $2,760 on a principal-and-interest loan over 30 years. That difference of $435 per month may improve cash flow, particularly if the property is negatively geared.

However, interest-only loans do not reduce the loan balance during the interest-only period. After five years, the loan reverts to principal and interest, and repayments increase. Investors who plan to sell or refinance before that reversion may benefit from the lower holding costs, but those holding long-term need to account for the higher repayments once the principal portion begins. Lenders also apply higher risk weights to interest-only loans under current prudential standards, which can affect pricing and approval conditions.

Fixed or Variable Rates for Property Investment Strategy

Fixed rates provide certainty over repayments for a set period, typically between one and five years. Variable rates allow access to offset accounts and redraw facilities, and they fluctuate with market movements. Investors in Stirling who anticipate holding a property through periods of rate volatility may prefer to fix a portion of the loan, while those who value flexibility and plan to make additional repayments often choose variable rates.

Some investors split their loan between fixed and variable components. This approach allows partial access to an offset account while locking in a portion of the rate. Lenders calculate the split based on your instructions at settlement, and you can adjust the proportions when the fixed term ends or when you refinance.

Loan to Value Ratio and Deposit Size for Investment Property Finance

Most lenders require a minimum 20 per cent deposit to avoid Lenders Mortgage Insurance on an investment property loan. An LVR above 80 per cent triggers LMI, which is calculated on a sliding scale and added to your loan amount or paid upfront. The premium can range from a few thousand dollars to tens of thousands, depending on the loan amount and LVR.

Investors who hold equity in an existing property may be able to use that equity as part or all of the deposit. Lenders assess the combined loan-to-value ratio across all secured properties, and serviceability is tested against the total debt position. If you plan to leverage equity from a home in Canterbury or Balwyn North to purchase an investment property in Stirling, the rental income from the new property and your existing income must support the increased borrowing.

Debt-to-Income Limits and Investment Loan Approval

From February 2026, lenders operating under APRA supervision can approve no more than 20 per cent of new investor loans to borrowers with a debt-to-income ratio of six times or greater. This limit applies separately to investor and owner-occupier lending and is measured quarterly.

If your total borrowing across all loans is six times your gross annual income or higher, you may still be approved, but the lender's capacity to approve high-DTI applications is capped. Investors with multiple properties or significant existing debt may need to demonstrate stronger income or consider reducing other liabilities before applying for additional investment property finance. The limit does not apply to non-bank lenders, though those lenders may have their own serviceability constraints.

Tax Treatment and Negative Gearing for Established Investment Properties

Interest on an investment loan is deductible against rental income and other assessable income, provided the property is rented or genuinely available for rent. Other holding costs, including council rates, insurance, property management fees, and depreciation, are also deductible.

For properties held at 12 May 2026 or acquired under contract before that date, losses can continue to be deducted against salary, business income, and other sources until the property is sold. For established properties purchased after that date, losses from the 2027-28 income year onward can only be offset against income from other residential investment properties, including capital gains. Excess losses can be carried forward. Properties classified as new builds remain exempt from the change and retain full negative gearing.

Claimable Expenses and Maximising Deductions on Rental Property

Investors can claim deductions for ongoing expenses directly related to earning rental income. These include advertising for tenants, property management fees, repairs and maintenance, insurance, council and water rates, strata levies, and interest on the investment loan. Depreciation on the building and fixtures may also be claimed, depending on when the property was built and whether it has been previously rented.

Expenses incurred before the property is tenanted, such as loan establishment fees and some legal costs, may be deductible over a period of years rather than immediately. Improvements that increase the property's value, such as renovations or extensions, are generally added to the cost base for capital gains tax purposes rather than claimed as immediate deductions. Investors should keep records of all expenses and seek advice from a registered tax agent to confirm which deductions apply to their situation.

Building Wealth Through Property and Portfolio Growth

Investors who structure their loans to retain access to equity can use that equity to fund additional purchases without selling existing properties. A property in Stirling that increases in value over time may allow you to borrow against the additional equity while keeping the original loan in place. Lenders reassess your serviceability each time you apply to access equity, and rental income from all investment properties is included in that calculation.

Passive income from rental properties can support financial goals such as reducing reliance on employment income, funding retirement, or building wealth across generations. However, rental income alone rarely covers all holding costs in the early years, particularly when interest rates are higher or when properties experience vacancy periods. Investors should plan for negative cash flow in the short term and focus on long-term capital growth and debt reduction.

Call one of our team or book an appointment at a time that works for you. We can review your current position, assess which investment loan options suit your goals, and help you understand how Stirling's rental market fits within your broader property investment strategy.

Frequently Asked Questions