What Are the Real Challenges in Property Investment Loans?

Investor Borrowing Limits Have Changed

Lenders now cap the number of investor loans they approve at high debt-to-income ratios. From February this year, banks can fund no more than 20 per cent of new investor loans at six times your annual income or higher. That limit applies separately to each lender's investor portfolio. If your household earns $100,000, borrowing $600,000 or more puts you in the restricted category, and many lenders hit that cap early in the month.

Consider a buyer who earns $85,000 and wants to borrow $550,000 to purchase a rental property in Redbank Plains while keeping their existing owner-occupied loan. Their debt-to-income ratio sits at 6.5 times. The first lender they approach has already allocated its monthly quota of high-ratio investor loans. The application is declined, not because the buyer cannot service the loan, but because the lender has reached its internal limit. A broker can place the same application with a different lender that still has capacity under the cap. The borrower is approved within a week.

This is not a credit quality issue. Lenders assess your ability to repay at an interest rate three percentage points above the actual loan rate, and that buffer has not changed. The debt-to-income limit is a separate constraint that operates at the portfolio level. It matters most when you are borrowing a large multiple of your income or when you apply late in a calendar month after a lender has already written a high volume of investor loans.

Rental Income Is Assessed Differently

Most lenders apply a discount to projected rental income when calculating serviceability. The most common approach is to assess 80 per cent of the rental figure, though some lenders use 70 per cent. That discount accounts for vacancy periods, maintenance costs, and property management fees. If a property in Redbank Plains rents for $480 per week, the lender typically credits you with $384 per week in income for serviceability purposes.

Some lenders also apply a further reduction if the property is not yet tenanted at the time of application. If you are purchasing a vacant property or building new, you may need to demonstrate stronger income from other sources to meet the lender's minimum servicing requirements. In our experience, buyers underestimate how much the rental discount affects their borrowing capacity, particularly when they are purchasing their second or third investment property and already carry existing debt.

What Is Changing with Negative Gearing from July 2027?

Investment properties purchased from mid-May this year are subject to a new rule that takes effect in July next year. If your property expenses exceed your rental income, that net loss can only be offset against other rental income or carried forward to reduce future rental profits or capital gains. You cannot deduct the loss against your salary or wages.

Properties purchased before mid-May this year are grandfathered under the existing rule. If you bought or exchanged contracts before that date, you can continue to offset rental losses against your ordinary income for as long as you hold the property. Properties classified as eligible new builds retain full negative gearing benefits even if purchased after the cut-off date. An eligible new build is one constructed on previously vacant land or a development that increases the total number of dwellings on the site. A knock-down rebuild that replaces one house with another is not eligible.

The change does not stop you from claiming deductions for interest, rates, insurance, or maintenance. Those expenses are still deductible. The restriction applies only to the net loss. If your deductions exceed your rental income, the unused portion is quarantined and carried forward rather than applied against other income in the same financial year.

Deposit Requirements and Lenders Mortgage Insurance

Most lenders require a minimum 10 per cent deposit for investment loans, though some will lend at higher loan-to-value ratios with Lenders Mortgage Insurance. Borrowing above 80 per cent triggers an LMI premium, which is calculated on a sliding scale based on the loan amount and the LVR. The premium can be added to the loan or paid upfront, and it is not refundable if you refinance or sell within a few years.

Investor loans attract higher LMI premiums than owner-occupier loans at the same LVR. A 90 per cent investor loan on a property valued at $400,000 will carry a higher premium than a 90 per cent owner-occupier loan on the same property. Some lenders also impose a maximum LVR of 90 per cent for investor loans regardless of LMI, while others will lend up to 95 per cent in limited circumstances.

Genuine savings are required for most investor loan applications. Lenders typically want to see at least 5 per cent of the purchase price saved over a minimum three-month period in your own account. Gifted deposits are treated differently and may not satisfy the genuine savings requirement, depending on the lender's policy. Equity from an existing property can be used in place of cash savings, but you will still need to cover the upfront costs of stamp duty and settlement from accessible funds.

Interest Rate Structures for Investment Property

Variable rate investor loans typically sit around 0.3 to 0.6 percentage points above equivalent owner-occupier variable rates. The margin varies between lenders and depends on your deposit size, loan amount, and whether you are making principal and interest or interest-only repayments. Interest-only investment loans carry a further margin, often an additional 0.2 to 0.4 percentage points above a principal and interest investor loan.

Many investors choose interest-only repayments during the first few years to maximise deductible interest and preserve cash flow. The interest-only period is typically five years, after which the loan reverts to principal and interest unless you negotiate an extension. Not all lenders will extend interest-only terms on investment loans, and approval depends on your financial position at the time of the request.

Fixed rate options are available for investor loans, though the rate differential between fixed and variable has narrowed in recent months. Fixing provides certainty over repayments but removes flexibility if you want to make extra repayments or access offset accounts. Some lenders offer a partial offset account on fixed investor loans, but the offset benefit is often capped or limited compared to a full variable loan with offset.

Redbank Plains Market Factors That Affect Serviceability

Redbank Plains sits within the Ipswich local government area, and rental yields in the suburb are generally stronger than those in Brisbane's inner and middle rings. Properties close to Redbank Plains State High School and the Redbank Plains Road commercial precinct attract steady tenant demand from families and essential workers employed in the surrounding industrial estates and at RAAF Base Amberley.

Lenders assess rental income based on a formal valuation or rental assessment obtained during the application process. If the valuation indicates a lower rental figure than you expected, your serviceability is reduced. In a scenario like this, the borrower may need to reduce the purchase price, increase the deposit, or provide additional income evidence to meet the lender's minimum servicing ratio. Rental assessments in Redbank Plains are typically conservative, reflecting the suburb's higher vacancy rate relative to inner Brisbane, though recent infrastructure development around the Ripley Valley has tightened rental supply in the broader Ipswich growth corridor.

Portfolio Lending and Refinance Considerations

Once you hold more than one investment property, lenders assess your entire portfolio when you apply for additional finance or seek to refinance an existing loan. If you have three properties and one is vacant or underperforming, that shortfall affects your serviceability for the next purchase. Lenders aggregate all rental income and all investment loan repayments when calculating your net position.

Some lenders apply a portfolio loading, which is an additional margin on the interest rate or a reduction in the assessed rental income once you exceed a certain number of investment properties. The threshold varies, but it commonly applies from the fourth or fifth property. Other lenders do not distinguish between one investment property and ten, provided your income and equity support the total debt.

If you are refinancing an existing investment loan, the new lender will reassess rental income using current market rates. If rents have increased since you first purchased the property, your serviceability improves. If rents have fallen or the property has experienced extended vacancies, the new lender may offer a lower loan amount than the original lender approved. This is common when refinancing older properties in areas where rental demand has softened or where comparable properties have been oversupplied.

Call one of our team or book an appointment at a time that works for you at TAP Mortgage Solutions. We work with lenders across Australia and can place your application with the lender that fits your income, deposit, and portfolio structure without the trial and error of applying direct.

Frequently Asked Questions