Lenders don't assess investment property finance the same way they look at owner-occupied home loans.
The property investment loan you're approved for depends on how a bank calculates risk across rental income stability, vacancy rates, your borrowing capacity, and the loan to value ratio (LVR) you're proposing. If you understand what lenders scrutinise before you apply, you can structure your investment loan application to work with their criteria rather than against it.
How Lenders Calculate Serviceability on Rental Income
Most lenders will only count 70-80% of projected rental income when calculating your borrowing capacity for an investment loan. They assume rental properties don't always have tenants, so they discount the income you'll actually receive.
Consider a buyer who wants to purchase a two-bedroom apartment in Petersham for $850,000. The property achieves $650 per week in rental income, totalling $33,800 annually. If the lender applies an 80% shading rate, they'll only count $27,040 when assessing serviceability. That difference of nearly $7,000 per year directly affects how much you can borrow, particularly if you're already carrying debt or have limited additional income.
Some lenders also apply a higher assessment rate than the actual interest rate you'll pay. While your variable interest rate might sit around 6%, the lender might test your repayments at 8% or higher to ensure you can still afford the loan if rates rise. This buffer protects them, but it limits your investor borrowing power unless you account for it upfront.
Vacancy Rates and Location-Specific Risk
Petersham sits within the Inner West council area, where rental demand has remained consistent due to proximity to the CBD, strong transport links via Petersham train station, and a mix of young professionals and families. Lenders view Inner West properties more favourably than outer suburban areas with higher vacancy rates.
A lender assessing an investment property loan in Petersham will factor in the local vacancy rate, which has historically remained low. If you're comparing suburbs, a property in an area with a 5% vacancy rate will be penalised more heavily in serviceability calculations than one in Petersham, where vacancy sits closer to 2-3%. This difference directly affects whether your investor interest rates are competitive and whether you'll need to provide a larger investor deposit.
Ready to get started?
Book a chat with a Finance & Mortgage Broker at Little Bull Finance today.
Loan to Value Ratio and Lenders Mortgage Insurance
The loan to value ratio (LVR) determines whether you'll pay Lenders Mortgage Insurance (LMI) and how much equity you'll need upfront. Most lenders will lend up to 80% LVR on investment properties without requiring LMI. If you borrow more than 80%, you'll pay a premium that can add tens of thousands to your upfront costs.
As an example, purchasing a $900,000 investment property in Petersham with a 10% deposit means borrowing $810,000 at 90% LVR. LMI on a loan of that size could exceed $30,000, paid upfront or capitalised into your loan amount. Dropping your LVR to 80% by increasing your deposit to $180,000 eliminates that cost entirely. The decision between paying LMI or waiting to save a larger deposit depends on whether delaying your purchase will cost you more in missed portfolio growth and passive income than the premium itself.
If you're using equity release from an existing property to fund your investor deposit, lenders will assess both properties and calculate your total exposure. They'll want to see that your combined rental income, salary, and other income streams can service both loans even under stress-tested rates.
Interest Only Investment Loans and Cash Flow Management
Many property investors choose interest only investment loans to reduce monthly repayments and preserve cash flow. On a $700,000 investment property loan, the difference between principal and interest repayments and interest only can exceed $1,500 per month depending on your rate.
If your rental income doesn't fully cover the loan repayments, body corporate fees, council rates, and maintenance costs, you'll be negatively geared. This allows you to maximise tax deductions by offsetting the loss against your taxable income. However, lenders still need to see that you can afford the shortfall from your own income. They won't approve the loan unless your serviceability calculations prove you can sustain the negative cash flow.
Interest only periods typically last between one and five years. After that, the loan reverts to principal and interest unless you refinance or negotiate an extension. Planning for this reversion matters, particularly if you're relying on rental income increases or wage growth to cover the higher repayments down the line.
Fixed Rate Versus Variable Rate for Investment Properties
Choosing between a fixed interest rate and a variable rate on your property investment loan depends on how you want to manage repayment certainty against flexibility. A fixed rate locks in your repayments for a set period, which helps with budgeting if you're negatively geared and managing tight cash flow. A variable rate gives you access to offset accounts and the ability to make extra repayments without penalty, which can reduce your interest over time.
Some investors split their loan amount between fixed and variable products to balance certainty with flexibility. If you're considering refinancing an existing investment loan, reviewing whether your current structure still aligns with your property investment strategy can uncover opportunities to reduce your repayments or release equity for your next purchase. Our refinancing page covers how to assess whether switching lenders or restructuring your loan makes sense.
Claimable Expenses and Maximising Tax Benefits
Beyond loan repayments, lenders want to see that you've factored in the ongoing costs of holding an investment property. These include building insurance, landlord insurance, property management fees, repairs, and depreciation. While these are claimable expenses that reduce your taxable income, they still affect your cash flow in the short term.
Stamp duty is another upfront cost that varies depending on the property value and whether you're eligible for any concessions. In New South Wales, stamp duty on an $850,000 investment property exceeds $33,000. Unlike claimable expenses, stamp duty can't be deducted annually, so you'll need to fund it from savings or capitalise it into your loan if your lender permits.
Understanding which costs are deductible and which aren't helps you model the true cost of ownership and avoid surprises after settlement. A well-structured loan combined with accurate tax planning accelerates your path to financial freedom and portfolio growth.
Little Bull Finance works with property investors across Petersham and the Inner West to structure investment loan options that align with your goals, whether you're purchasing your first rental property or building wealth through a multi-property portfolio. Call one of our team or book an appointment at a time that works for you.
Frequently Asked Questions
How much rental income do lenders count when assessing an investment loan?
Most lenders will only count 70-80% of projected rental income when calculating your borrowing capacity. This shading accounts for potential vacancy periods and ensures you can service the loan even if the property isn't always tenanted.
What loan to value ratio avoids Lenders Mortgage Insurance on investment properties?
Borrowing up to 80% LVR on an investment property typically avoids Lenders Mortgage Insurance. If you borrow above 80%, you'll pay LMI, which can add tens of thousands to your upfront costs depending on the loan amount.
Should I choose a fixed or variable rate for my investment property loan?
A fixed rate provides repayment certainty for budgeting, while a variable rate offers flexibility with offset accounts and extra repayments. Some investors split their loan between both to balance certainty and flexibility depending on their cash flow and strategy.
How does negative gearing affect investment loan approval?
Negative gearing allows you to offset rental losses against your taxable income, but lenders still assess whether you can afford the shortfall from your salary or other income. Your serviceability calculations must prove you can sustain the negative cash flow long-term.
Why does the vacancy rate in Petersham matter for investment loan approval?
Lenders factor in local vacancy rates when assessing risk on investment loans. Petersham's low vacancy rate, typically around 2-3%, makes the area more attractive to lenders compared to suburbs with higher vacancy, which can improve your borrowing terms and investor interest rates.
