Understanding the basics of Investment Loan Applications

An investment loan application is assessed differently from an owner-occupier loan because lenders treat rental property as a business decision, not a lifestyle purchase.

The approval process centres on your ability to service the loan if the property sits vacant, not just whether the rental income covers the repayment. Lenders apply a serviceability buffer and typically shade rental income by 20 per cent or more before adding it to your other income. That rental discount, combined with the requirement that you prove capacity to service the loan at an interest rate at least 3.0 percentage points above the actual rate, means many applications fail on serviceability rather than deposit size.

For buyers in Croydon, where older-style units and townhouses are common, the condition and age of the property can also affect whether a lender will approve the loan at all. Body corporate buildings constructed before 1990, for instance, may require a full building inspection or valuation review before certain lenders will proceed.

What Lenders Assess in an Investment Loan Application

Lenders assess your income, existing debts, living expenses, the deposit you're contributing, and the rental income the property is expected to generate. They also assess the property itself, including its location, type, age, and whether it meets their security criteria.

Your total debt-to-income ratio matters more now than it did in previous years. Since February this year, lenders have been required to limit new lending above a DTI of six times your gross income to no more than 20 per cent of their investor loan book each quarter. If you earn $90,000 and already have $400,000 in existing home and car loans, a new borrowing request of $150,000 or more could push you over that threshold, which doesn't automatically decline your application but does mean fewer lenders will consider it.

Consider a buyer who earns $110,000 annually and wants to purchase a two-bedroom unit in Croydon as an investment. The property is expected to rent for $450 per week. The lender will shade that rental income to $360 per week and assess the loan repayment at a rate around 9.0 per cent, even if the actual rate offered is closer to 6.0 per cent. If the buyer has existing personal loan repayments of $800 per month and a car loan costing $600 per month, those commitments reduce available serviceability before the investment loan is even factored in. The application might be declined not because the buyer lacks deposit or income, but because the shaded rental income and serviceability buffer leave insufficient capacity.

How Rental Income Is Treated by Lenders

Rental income is not counted dollar-for-dollar. Most lenders apply a discount of between 20 and 30 per cent to account for vacancy, maintenance periods, and the risk that tenants leave or fall behind on rent. That discount is applied before the income is added to your other assessable income.

Some lenders will accept a rental appraisal from a licensed property manager. Others require the appraisal to fall within a certain range of similar properties in the same suburb, postcode, or local government area. If the appraisal you provide is significantly higher than comparable listings, the lender may reduce the figure or request a second opinion.

In Croydon, where rental stock includes a mix of older flats, renovated townhouses, and newer low-rise developments near Croydon Station, the appraised rent can vary by $100 per week or more depending on the property's presentation and proximity to the train line. A two-bedroom unit on the eastern side of the suburb closer to Mooroolbark might appraise at $420 per week, while a similar-sized property within walking distance of the station could reach $480 per week. Lenders rely on the appraisal you provide, but if it sits at the top end of the range without supporting detail, it may be adjusted downward during assessment.

Deposit Requirements and Loan to Value Ratio

Most lenders require a minimum deposit of 10 per cent of the purchase price for an investment loan, though you'll also need to cover stamp duty, legal costs, and other settlement expenses separately unless you capitalise Lenders Mortgage Insurance into the loan amount.

If your deposit is less than 20 per cent, LMI will apply. The premium increases steeply as the LVR rises. At an LVR of 90 per cent, the premium on a loan amount around the median for Croydon can add several thousand dollars to your upfront or capitalised costs. Some lenders will allow you to use equity from your existing home to fund the deposit and avoid paying LMI, provided your overall LVR across both properties remains within their policy.

Genuine savings are not always required for investment loans in the same way they are for first home buyers, but if you're borrowing above 80 per cent LVR, many lenders will want to see that at least 5 per cent of the deposit has been held in your account for three months or more. Gifted funds are generally accepted for investment loans provided they come with a signed statutory declaration confirming the funds are not repayable.

Interest Rate Structure and Repayment Type

You can choose between variable and fixed rates, and between principal-and-interest and interest-only repayments. Interest-only is more common for investment loans because it reduces the monthly repayment and may improve cash flow, particularly where the rental income doesn't fully cover the loan cost.

Interest-only periods are typically offered for up to five years, after which the loan reverts to principal-and-interest unless you apply to extend the interest-only term. Not all lenders allow extensions, and those that do will reassess your serviceability and the property's value at the time of the request. If the property has declined in value or your circumstances have changed, the extension may be declined.

Fixed rates provide repayment certainty but come with restrictions. You generally can't make extra repayments beyond a small annual threshold without incurring break costs, and you can't redraw or access an offset account during the fixed period. Variable rates allow full flexibility, including offset accounts and unlimited extra repayments, which can be useful if you plan to pay down the loan more quickly or want to park other savings against the loan balance to reduce interest.

You can also split the loan between fixed and variable, which allows you to lock in part of the rate while retaining flexibility on the remainder. Many investors in Croydon who are holding property for long-term capital growth choose a split structure to balance certainty and access to funds.

The Property Itself: What Lenders Won't Accept

Not all properties are acceptable security for an investment loan. Lenders maintain a list of property types and locations they will not lend against, and those lists vary between institutions.

Serviced apartments, properties with boarding house or rooming house zoning, and units in buildings with active or unresolved cladding issues are commonly excluded. Properties on leasehold land, or with a lease term shorter than the loan term plus 20 years, may also be declined. In Croydon, where some older walk-up blocks have fewer than six units or lack active body corporate management, you may find certain lenders will not proceed without additional documentation or may decline the application outright.

Studio apartments and properties with a floor area below 50 square metres are restricted by many lenders, even if the property is otherwise well-located and well-maintained. If you're looking at a small one-bedroom unit in one of the older blocks near Croydon Market, it's worth confirming the internal floor area before proceeding too far with the purchase.

Tax Considerations and Holding Costs

Interest on your investment loan is deductible against your rental income, along with other holding costs such as council rates, insurance, property management fees, repairs, and depreciation. If your deductible expenses exceed your rental income, the loss can generally be offset against your other income, including salary, reducing your overall tax liability.

That treatment applies to properties you already own or have under contract, but changes are scheduled to take effect from the next financial year for established properties purchased after May last year. Losses on those properties will only be deductible against other residential property income, not against salary or wages. New builds remain exempt from that rule. The distinction between established and new matters significantly for tax planning, and it's worth seeking advice from an accountant before you settle on a property type.

Stamp duty in Victoria is also a significant upfront cost. For investment properties in the price range common to Croydon, stamp duty can run into the tens of thousands, and it is not deductible as a borrowing cost. It must be paid from your own funds or, in limited cases, capitalised into the loan if your LVR permits.

Preparing Your Application

Gather your last two payslips, two years of tax returns if you're self-employed, recent statements for all bank accounts and credit cards, details of any existing loans, and a rental appraisal for the property you intend to purchase. If you're using equity from another property, you'll also need a recent rates notice and mortgage statement for that property.

Lenders will also request a contract of sale, and in some cases a building and pest inspection report, particularly if the property is older or located in an area where lenders have specific concerns about building quality or environmental factors. Croydon sits in an area where some properties are affected by bushfire zoning, and if the property you're purchasing falls within a designated bushfire zone, the lender may require evidence of appropriate insurance or additional risk assessment before proceeding.

Your application is not assessed in isolation. Lenders review your overall financial position, your employment stability, your existing debt commitments, and the property's rental and resale prospects. If the numbers don't align with their current policy settings, the application will be declined regardless of how strong your income or deposit appears on paper.

Working with a mortgage broker who understands how different lenders assess investment loans means your application goes to the right place the first time. Not all lenders apply the same rental shading, serviceability buffer, or property restrictions, and knowing which lender is most likely to approve your scenario reduces the risk of a decline and the impact that has on your credit file.

Call one of our team or book an appointment at a time that works for you.

Frequently Asked Questions