An investment loan lets you borrow against future rental income to buy property you wouldn't live in yourself.
The calculation changed in February when APRA's debt-to-income caps kicked in. Banks now limit how many new investor loans they write to borrowers carrying six times their annual income or more. That doesn't mean you can't borrow. It means the loan amount you qualify for might be lower than it was twelve months ago, and your broker needs to know which lenders still have room under their quarterly allocation.
Why Rouse Hill Works for Investors Right Now
Rouse Hill sits inside the Hills Shire Council area, which has posted consistent rental demand since the Metro North West Line opened. The suburb recorded rental vacancy below 1.5 per cent through most of the past two years, driven by families relocating from inner west and north shore postcodes where equivalent housing costs more. Proximity to Rouse Hill Town Centre, Cudgegong Road retail precinct, and the Metro station at Kellyville keeps tenant enquiry steady even when broader Western Sydney listings rise.
Consider a buyer who already owns a property in Baulkham Hills and wants to use equity to fund a deposit on a three-bedroom townhouse in Rouse Hill. At current variable rates, rental income might cover 70 to 80 per cent of the monthly repayment on an interest-only loan, depending on the deposit size and whether Lenders Mortgage Insurance applies. The shortfall is tax-deductible if the property was held before mid-May or qualifies as a new build under the grandfathering rules that came into force in June.
How the Negative Gearing Rules Actually Apply
Properties held at 7:30pm on 12 May last year, or under contract at that time, keep full negative gearing indefinitely. Losses from those properties can still offset salary, business income, or any other assessable income until you sell. New builds acquired after that date also retain full negative gearing, provided the dwelling was constructed on vacant land or replaced an existing property where the total dwelling count increased. A knock-down rebuild that doesn't add dwellings loses the exemption.
Established properties bought after mid-May can only deduct losses against other residential property income, including capital gains when you eventually sell. Excess losses carry forward. If your only investment income is from one negatively geared property, you won't see a tax benefit until you add another property, sell, or earn rental profit elsewhere. That's not a reason to avoid established stock. It's a reason to structure the purchase with a realistic expectation of when rental income might exceed your holding costs, or to accept that the tax benefit is deferred rather than lost.
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Interest-Only Repayments and Why Lenders Still Offer Them
Interest-only repayments keep your monthly cost lower and preserve cash flow, which matters when you're carrying a shortfall between rent and repayments. Most lenders offer interest-only periods of one to five years on investment loans, after which the loan converts to principal and interest unless you apply to extend. Extending isn't automatic. The lender reassesses your income, expenses, and the property valuation at the time you apply.
Under the prudential standard that took effect in July last year, a loan with an interest-only period longer than five years and a loan-to-value ratio above 80 per cent is classified as non-standard, which increases the bank's capital cost and makes approval less likely. If you're borrowing above 80 per cent LVR and want interest-only, expect a maximum term of five years on the first approval. You can reapply before it expires, but the lender will want to see consistent rental income and no material change in your financial position.
What the Serviceability Buffer Does to Your Borrowing Amount
Every lender tests your ability to repay the loan at a rate three percentage points above the actual product rate. If the variable rate on the investment loan is 6.3 per cent, the lender assesses your income and expenses as though the rate were 9.3 per cent. Rental income is included, but most lenders only count 80 per cent of the expected rent to account for vacancy and maintenance periods. Some lenders apply a lower shading rate of 70 per cent, particularly where the postcode has a history of longer vacancy periods. Rouse Hill's low vacancy rate doesn't change the shading percentage, but it does mean the rent estimate your lender uses is more likely to reflect what you'll actually collect.
In our experience, investors underestimate how much the buffer affects their maximum loan amount. A borrower with $120,000 in household income and $2,800 in monthly committed expenses might expect to borrow $650,000 for an investment property. Once the lender applies the three per cent buffer and shades the rental income to 80 per cent, the approved amount often sits closer to $520,000. The gap widens if you're also servicing existing debt on your home or car.
Fixed Versus Variable Rates on Investment Loans
Variable rates let you make extra repayments without penalty and access offset accounts, which reduce the interest you pay on the outstanding balance. Fixed rates lock in your repayment for one to five years but usually don't allow offset accounts or extra repayments beyond a small annual threshold. If you break a fixed rate early, you'll pay break costs calculated on the difference between your locked rate and the rate the lender can earn by redeploying that funding. Break costs can run to tens of thousands of dollars if rates have fallen since you fixed.
Most investors we work with split their loan, fixing 50 to 70 per cent and leaving the rest variable. The fixed portion provides certainty on most of the repayment. The variable portion gives access to offset and flexibility to pay down the loan or refinance part of the debt without triggering break costs. If you're holding the property long-term and genuinely won't need to access equity or sell within the fixed period, a full fix can work. Just don't assume you'll never need flexibility.
Equity Release and How It Funds Your Deposit
If you own property with available equity, you can borrow against that equity to fund the deposit and purchase costs on the investment property without selling anything. Available equity is the difference between your property's current value and the amount you owe, minus the buffer the lender holds back. Most lenders will lend up to 80 per cent of the property value without requiring LMI. Some will go to 90 or 95 per cent if you're willing to pay the insurance premium.
Consider a scenario where your home is valued at $900,000 and you owe $400,000. At 80 per cent LVR, the lender will allow total borrowing of $720,000 against that property. Subtract the $400,000 you already owe, and you have access to $320,000 in usable equity. That's enough to cover a deposit on an investment property at the suburb's current median, plus allow for stamp duty and other settlement costs. The lender treats this as a single application across two securities. Your borrowing capacity is assessed on your income, existing commitments, and the combined loan amount across both properties.
Loan to Value Ratio and Lenders Mortgage Insurance
LVR is the loan amount divided by the property value, expressed as a percentage. If you borrow $480,000 to buy a property valued at $600,000, your LVR is 80 per cent. Borrow $540,000 on the same property and your LVR rises to 90 per cent. Most lenders require LMI on investment loans above 80 per cent LVR. The premium is calculated on a sliding scale based on the loan amount and LVR, and in some states you'll also pay stamp duty on the premium itself.
LMI protects the lender if you default and the property sells for less than you owe. It doesn't protect you. The insurer can pursue you for any shortfall after the lender is repaid. The premium is a one-off cost, usually capitalised into the loan, and it's not refundable if you refinance or pay down the loan early. If your deposit is below 20 per cent, LMI is part of the cost of entry unless you qualify for a professional exemption or family guarantee structure.
Why Lenders Care About Rental Income and Vacancy Rates
Lenders include rental income in your serviceability assessment, but they shade it to account for periods when the property might sit vacant or require maintenance between tenants. The shading percentage varies by lender and sometimes by postcode. A lender might use 80 per cent of the market rent for a property in Rouse Hill and 70 per cent for a regional town with a higher historical vacancy rate. The difference affects how much you can borrow.
Rental income also needs to be supported by a rental appraisal or lease agreement. If you're buying an established property with a tenant in place, provide the current lease. If you're buying vacant or off the plan, get a rental appraisal from a local agent familiar with comparable properties in the precinct. Lenders won't accept an appraisal from the selling agent. The appraisal needs to be independent and recent, ideally within 90 days of your application.
What Happens If You're a Temporary Resident or Foreign Investor
Foreign investors have been banned from purchasing established dwellings since April last year, with the ban now extended to mid-2029. Limited exceptions apply for investments that increase housing supply, including new builds on vacant land and qualifying build-to-rent developments. Temporary residents can still apply for approval to purchase new dwellings or vacant land, but application fees tripled from April last year and development conditions require construction to be completed within four years.
Permanent residents and New Zealand citizens are exempt from the restrictions and can purchase established or new property without FIRB approval. If you're on a temporary visa and want to invest, your investment loan options are limited to lenders who accept non-resident borrowers, and you'll need FIRB approval before signing a contract. Approval timelines vary. Don't assume you can settle within 30 or 60 days unless you've lodged the application well in advance.
Call one of our team or book an appointment at a time that works for you. We'll calculate your actual borrowing capacity, explain which lenders still have allocation under the DTI caps, and structure the loan to match how long you plan to hold the property.
Frequently Asked Questions
Can I still negatively gear an investment property bought after May last year?
Established properties bought after 7:30pm on 12 May last year can only deduct losses against other residential property income, not salary or business income. New builds and properties held before that date keep full negative gearing. Excess losses on post-May established properties carry forward to future years.
How much rental income will the lender count toward my borrowing capacity?
Most lenders shade rental income to 80 per cent of the appraised market rent to account for vacancy and maintenance periods. Some lenders apply a lower shading rate of 70 per cent depending on the postcode or property type. The shaded amount is what the lender includes in your serviceability assessment.
What is the serviceability buffer and how does it affect my loan amount?
Lenders assess your ability to repay at a rate three percentage points above the actual loan rate. If the product rate is 6.3 per cent, you're assessed at 9.3 per cent. This buffer reduces the maximum loan amount you qualify for, often by more than borrowers expect.
Can I use equity from my home to buy an investment property in Rouse Hill?
Yes. You can borrow against the equity in your existing property to fund the deposit and purchase costs on an investment property without selling. Most lenders allow borrowing up to 80 per cent of your property value without LMI, and your borrowing capacity is assessed across both properties.
Should I fix or keep my investment loan on a variable rate?
Variable rates allow offset accounts and unlimited extra repayments, which reduce interest and provide flexibility. Fixed rates lock in your repayment but usually don't offer offset or repayment flexibility, and breaking early can trigger large costs. Most investors split the loan, fixing part and leaving part variable.
