Avoid These 5 Mistakes When Buying Deakin Investment Property

Borrowing for an investment property in Deakin works differently to securing finance for your own home.

Lenders apply different criteria when assessing investor applications, particularly in suburbs where property values sit above the ACT median. The loan to value ratio you can access, the rental income assessment, and even the interest rate applied all shift when the property won't be owner-occupied. Understanding where those differences matter will determine whether your application proceeds smoothly or stalls at assessment.

Mistake 1: Treating Rental Income as Dollar-for-Dollar Borrowing Power

Lenders don't credit the full rental income when calculating what you can borrow. Most lenders apply a shading percentage between 75% and 80% to allow for vacancy periods, maintenance costs, and collection risk. If a two-bedroom unit in Deakin generates $650 per week, the lender will assess it at roughly $520 per week when determining your borrowing capacity.

Consider an investor earning $120,000 annually who wants to purchase a unit near the Deakin shops. The property rents for $650 per week, which works out to $33,800 annually. After the lender applies 80% shading, only $27,040 counts toward offsetting the loan repayments in the serviceability calculation. That gap between actual rental income and what the lender recognises can reduce your maximum loan amount by $50,000 to $80,000 depending on your other commitments. If you're already carrying a mortgage on your own home, that reduction becomes even more pronounced.

Some lenders use different shading percentages depending on the property type and location. A unit in a precinct with historically low vacancy rates might receive more favourable treatment than a property in an area with higher turnover. We see this regularly with Deakin apartments close to the parliamentary triangle, where demand from public servants tends to keep occupancy stable.

Mistake 2: Overlooking How Interest-Only Structures Affect Approval

Interest-only repayments are common for investment loans because they reduce monthly cash flow pressure and maximise tax deductions, but lenders assess your ability to service the loan on a principal and interest basis even if you choose interest-only. This catches people out when they assume the lower repayment will translate directly into higher borrowing capacity.

If you apply for a $600,000 loan and request a five-year interest-only period, the lender will still test whether you can afford the principal and interest repayment that kicks in after that period ends. At current variable rates, that difference might be $600 to $800 per month depending on the product. The serviceability calculation uses the higher figure, so your approved loan amount won't stretch as far as you might expect based on the initial interest-only repayment alone.

You can still select interest-only once approved. The distinction is that approval hinges on your capacity to service the full repayment, not the reduced one. This structure protects you from payment shock when the interest-only term expires, but it also means your borrowing capacity is constrained by a repayment you won't actually make for the first five years.

Mistake 3: Choosing the Wrong Loan to Value Ratio for Your Deposit Size

Most lenders cap investment loans at 90% LVR, meaning you'll need at least a 10% deposit plus costs to proceed. If you're using equity from your existing home rather than cash savings, the calculation becomes more complex because the lender will reassess your home's value and apply a similar LVR restriction to the equity release.

Deakin properties near Hopetoun Circuit or backing onto the nature reserve often attract buyers willing to stretch their deposit to avoid Lenders Mortgage Insurance. LMI applies when your deposit sits below 20%, and on a $700,000 investment property with a 10% deposit, the premium could add $15,000 to $25,000 to your upfront costs. That's a significant outlay that doesn't contribute to the property purchase itself.

Some investors accept the LMI cost because it allows them to enter the market sooner or retain cash for other purposes. Others delay the purchase until they can reach the 20% threshold. Neither approach is inherently wrong, but the decision should be deliberate rather than reactive. If you're borrowing against equity in your Deakin home to fund the deposit, make sure the combined LVR across both properties doesn't exceed what the lender will support. We regularly see scenarios where the equity is technically available but the lender won't release it because the overall exposure is too high.

Mistake 4: Ignoring How Lenders Assess Body Corporate Fees in Deakin Units

Body corporate fees reduce your borrowing capacity because lenders treat them as an ongoing expense that affects your ability to service the loan. In Deakin, where many apartment buildings include lifts, pools, and secure parking, quarterly body corporate levies can run between $1,200 and $2,000. Over a year, that's $4,800 to $8,000 the lender will deduct from your available income when calculating serviceability.

As an example, an investor looking at a two-bedroom apartment in one of the newer developments near Adelaide Avenue might face $1,800 per quarter in strata fees. That expense sits on top of the loan repayment, council rates, and any landlord insurance. If the same investor also has a car loan or personal commitments, the cumulative effect can reduce the approved loan amount by $40,000 to $60,000 compared to purchasing a standalone townhouse with no body corporate.

This doesn't mean units are a poor investment option. Deakin apartments close to the city and major employment hubs often deliver stronger rental yields than freestanding homes. The distinction is that you need to account for the body corporate impact early in your planning so the numbers align when you reach the application stage.

Mistake 5: Applying Without a Buffer for Vacancy and Maintenance Costs

Rental properties in Deakin don't sit vacant for long, but vacancies still occur. Lenders expect you to demonstrate that you can service the loan without relying entirely on rental income, particularly during periods when the property is being advertised or undergoing repairs. If your personal income only just covers the loan repayment after the rental income is shaded, the application may not proceed.

Your loan structure also influences how much flexibility you retain once settled. A fixed rate offers repayment certainty but limited access to offset or redraw features during the fixed term. A variable rate gives you more control over cash flow, particularly if the loan includes an offset account where you can park surplus funds. In our experience, investors who keep three to six months of repayments in an offset account connected to the investment loan can manage vacancy periods without dipping into personal savings or stretching their budget.

Deakin's proximity to Parliament House and the major government departments means tenant demand is generally strong, but turnovers still happen. If your financial position doesn't allow for a buffer, consider whether refinancing your existing home to consolidate debts or improve cash flow before taking on an investment loan.

Goodwin Home Loans works with investors across Deakin who are purchasing their first rental property or expanding an existing portfolio. We assess your full financial position, compare loan products from multiple lenders, and structure the application to reflect how you'll actually use the property. Call one of our team or book an appointment at a time that works for you.

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