What actually makes an investment loan different from a home loan
An investment loan is secured against a property you rent out rather than live in, and the main difference comes down to how the lender assesses your ability to repay.
When you apply for an investment loan, the lender factors in the rental income you expect to receive, but they apply a discount to that income. Most lenders use between 70 and 80 per cent of the expected rent when calculating your borrowing capacity. That means if a property in North Lambton is expected to rent for $600 per week, the lender might only use around $420 to $480 of that in their assessment. On top of that, they add a buffer to the interest rate to make sure you can handle repayments if rates go up or the property sits vacant for a period.
Because the lender is taking on more risk with an investment loan compared to an owner-occupied loan, the interest rate is usually a bit higher, typically around 0.1 to 0.3 per cent above the equivalent owner-occupier rate. But the structure of the loan itself can be set up in ways that suit your tax position and cashflow needs, which is where the real advantage sits.
Interest-only repayments and how they affect your cashflow
Many investors choose an interest-only repayment structure for the first few years of the loan, paying only the interest portion each month without reducing the loan balance.
The benefit is lower monthly repayments during the interest-only period, which improves cashflow and can make it easier to hold the property through periods when rental income dips or expenses spike. It also maximises the tax deduction you can claim, because all the interest on a loan used to buy or hold a rental property is deductible against your rental income and, for properties owned before mid-May 2026, against your other income including your salary.
Consider a buyer who borrows to purchase a rental property in North Lambton while still paying off their own home. They set up the investment loan on a five-year interest-only term with a variable rate. During those five years, they focus on paying down the non-deductible debt on their home, using the cashflow freed up by the lower investment loan repayments. Once the interest-only period ends, they can either refinance to another interest-only term if it still suits their strategy, or switch to principal and interest repayments if they want to start reducing the loan balance.
Interest-only terms for residential investment loans are typically available for up to five years at a time. After that, the loan reverts to principal and interest repayments unless you arrange a new interest-only period with your lender. Keep in mind that from a lending perspective, long-term interest-only loans at high loan-to-value ratios can attract higher capital requirements for the lender, which sometimes flows through to tighter approval criteria.
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Fixed or variable rates and what works for investors
You can choose between a variable rate, a fixed rate, or a combination of both on your investment loan.
A variable rate moves up and down with the market, which means your repayments can change. The upside is you usually get access to features like offset accounts and the ability to make extra repayments without penalty. A fixed rate locks in your interest rate for a set period, typically one to five years, giving you certainty over your repayments during that time. The downside is less flexibility and potential break costs if you need to exit the loan early.
Some investors split their loan, fixing part of the balance and leaving the rest on a variable rate. That approach gives you some certainty while keeping access to features like offset and redraw on the variable portion. The right mix depends on your risk tolerance and whether you value stable repayments over flexibility.
For investors with properties held before mid-May 2026, the tax deductibility of interest applies to the full loan amount regardless of whether the rate is fixed or variable. For established properties purchased after that date, losses including interest costs can only be offset against income from residential properties from the 2027-28 income year onward, so the cashflow benefit of negative gearing changes depending on when you bought.
Using equity in your home to fund a deposit
If you own your own home and have built up equity, you can use that equity as security for the deposit on an investment property without needing to sell or save a separate cash deposit.
Equity is the difference between what your property is worth and what you owe on it. If your home in North Lambton is worth $750,000 and you owe $400,000, you have $350,000 in equity. Lenders will typically let you borrow against up to 80 per cent of your home's value without needing to pay Lenders Mortgage Insurance, which in this scenario means you could access up to $600,000 in total borrowing. After accounting for your existing $400,000 loan, that leaves $200,000 available to use as a deposit and cover purchase costs on an investment property.
This approach is often structured as a separate loan or split, secured against your home but used specifically for investment purposes. Keeping the investment loan separate from your home loan makes it much easier to track deductible interest and manage your tax records. It also means the interest on the investment portion remains deductible, while the interest on the portion secured against your home for your own living expenses does not.
Using equity can speed up your ability to buy an investment property, but it also increases your total borrowing and the risk you carry if property values fall or rental income drops. The lender will assess your ability to service both loans, including the buffer and rental income discount mentioned earlier.
How North Lambton's rental market and location fit an investment strategy
North Lambton sits roughly 10 kilometres west of Newcastle's CBD and is known for its larger residential blocks, proximity to Lambton Park and the nearby shopping and services along Lambton Road.
The suburb attracts a mix of renters, including young families and professionals looking for space and proximity to Newcastle's employment hubs without paying inner-city prices. Rental demand in the area is supported by its position within the broader Newcastle and Lake Macquarie region, which has seen steady population growth and relatively low vacancy rates over recent years.
When choosing an investment property in North Lambton, buyers typically look at proximity to schools, public transport links along the rail corridor, and the condition and layout of the property itself. Homes with off-street parking, outdoor space and updated kitchens and bathrooms tend to rent faster and hold tenants longer, which reduces the cashflow impact of vacancy periods.
One thing to watch in older areas like North Lambton is the potential for higher maintenance costs, particularly on older homes with original plumbing, wiring or roofing. Those costs are deductible as repairs or capital works depending on the nature of the work, but they still affect your cashflow and your ability to hold the property through lean periods.
What you can claim and what changes from the 2027-28 income year
Interest on your investment loan, property management fees, council rates, insurance, repairs and depreciation on the building and fixtures are all deductible against your rental income.
For properties held before mid-May 2026, any loss you make after deducting those expenses from your rent can be offset against your salary or other income, which reduces your overall tax. From the 2027-28 income year, if you bought an established property after mid-May 2026, losses can only be offset against income from other residential properties, including capital gains when you sell. Any unused losses carry forward to future years.
New builds purchased after mid-May 2026 retain the ability to offset losses against all income, which is one reason why newly constructed properties or developments that increase the dwelling count are still attractive to investors focused on tax planning. The other change from July 2027 relates to capital gains tax. Gains that accrue after that date will be taxed using cost base indexation and a 30 per cent minimum rate on the real gain, rather than the 50 per cent discount that applies now. Properties owned before July 2027 have their gain split into a pre-July 2027 portion taxed under the old rules and a post-July 2027 portion taxed under the new rules.
These changes mean the tax benefit of holding an investment property shifts depending on when you bought and whether it was new or established. They also make accurate record-keeping more important, because you need to be able to separate deductible costs, track improvements that affect your cost base, and demonstrate the timing of your purchase and any renovations.
Loan features that actually matter when you are holding a property long term
Most variable rate investment loans come with an offset account, redraw facility, or both.
An offset account is a transaction account linked to your loan. The balance in the offset reduces the loan balance used to calculate your interest, which lowers the interest you pay without reducing the actual loan amount. Because the interest on an investment loan is tax deductible, parking cash in an offset attached to your investment loan reduces your deductible interest, which can increase your tax. For that reason, many investors prefer to use offset accounts on their non-deductible home loan and keep their investment loan balance as high as possible to maximise the deduction.
A redraw facility lets you make extra repayments on your loan and then withdraw those funds later if needed. Redraw can be useful for managing short-term cashflow, but if you redraw funds for a purpose unrelated to the investment property, the interest on that redrawn portion is no longer deductible. Keeping loans and their purposes separate avoids that problem.
Other features to consider include the ability to make extra repayments without penalty, portability if you want to sell one property and buy another without refinancing, and whether the loan allows you to capitalise costs like Lenders Mortgage Insurance into the loan balance.
What to do when you are ready to move forward
Putting together an investment loan application involves more than just finding a property. You need to understand your borrowing capacity, work out the structure that suits your tax position, and make sure the property itself stacks up from a rental yield and capital growth perspective.
A broker with access to investment loan options from lenders across Australia can compare interest rates, fees and features across multiple products and help you structure the loan in a way that keeps your deductible and non-deductible debt separate. If you are using equity from your home, they can also help coordinate the valuation, loan splits and settlement timing so everything lines up.
Call one of our team or book an appointment at a time that works for you. We work with residents across North Lambton and the wider Newcastle region, and we will walk you through the options that suit your situation without the jargon or the runaround.
Frequently Asked Questions
Can I still negatively gear an investment property I buy now?
Yes, but the rules depend on when you buy and what type of property. If you buy an established property after mid-May 2026, losses can only offset residential property income from the 2027-28 income year onward. New builds purchased after that date retain full negative gearing against all income.
How much deposit do I need for an investment loan?
Most lenders require at least a 10 per cent deposit plus costs, though you will pay Lenders Mortgage Insurance if your deposit is below 20 per cent. You can also use equity in an existing property as your deposit without needing to save cash separately.
Should I use an offset account on my investment loan?
Parking cash in an offset on your investment loan reduces your deductible interest, which can increase your tax. Many investors prefer to use offset accounts on their non-deductible home loan and keep the investment loan balance high to maximise the tax deduction.
What happens to my investment loan interest deduction after the 2027 tax changes?
For properties held before mid-May 2026, the interest remains fully deductible against all income. For established properties bought after that date, interest and other losses can only offset residential property income from the 2027-28 income year, though unused losses carry forward.
Can I switch from interest-only to principal and interest repayments later?
Yes, most lenders let you switch repayment types during the life of the loan. Interest-only terms are typically available for up to five years at a time, after which the loan reverts to principal and interest unless you arrange a new interest-only period.