Simple Hacks to Lock in Variable Rate Investment Loans

A variable rate investment loan lets you adjust repayments, access redraw, and refinance without penalty when your circumstances change.

Most investors in Waratah and across the Hunter region pick variable rates because they want the option to make extra repayments or shift strategy without waiting for a fixed term to end. The flip side is that your rate can move up or down with market conditions, which means your repayments can change too. That's manageable if you've got the right loan structure and a buffer built into your cash flow.

Why Variable Rates Suit Most Property Investors

Variable rates give you access to offset accounts, redraw facilities, and the ability to refinance or sell without break costs. These features matter when you're building a portfolio or managing cash flow across multiple properties. Fixed rates lock in certainty, but they also lock you out of flexibility.

Consider an investor who bought a unit near Waratah Park with a 20% deposit. They went with a variable rate loan because they planned to use rental income and their salary to pay down the loan faster during the first few years. With a variable loan, they could make extra repayments and redraw if they needed to cover a vacancy or urgent repair. That kind of flexibility doesn't exist on most fixed rate products, where extra repayments are capped and redraw is often unavailable.

Interest Only or Principal and Interest

Interest only repayments reduce your monthly outgoings and maximise tax deductions, but they don't reduce the loan balance. Principal and interest repayments build equity over time, which can help you borrow again sooner.

Most investors start with interest only for the first five years to keep cash flow tight and maximise deductions. Once the property's value has increased or your income has grown, switching to principal and interest can help you build equity and reduce your overall debt. You can usually switch between the two on a variable loan without penalty, which is another reason they're popular with investors.

If you're holding a property long term and planning to use the equity to buy a second property, interest only makes sense early on. If you're approaching retirement or want to reduce debt, principal and interest is the better option. You can read more about how this works on our investment loans page.

How Offset Accounts Work on Investment Loans

An offset account is a transaction account linked to your loan. Every dollar in the offset reduces the balance you're charged interest on, without affecting your tax deductions.

In a scenario where you've saved $30,000 in an offset account and your loan balance is $450,000, you'll only pay interest on $420,000. The rental income still covers the interest on the full loan amount for tax purposes, but your actual repayments are lower. That difference can be redirected into another property deposit, used to cover vacancies, or held as a buffer.

Not all lenders offer offset accounts on investment loans, and some charge a higher rate or annual fee to access the feature. If you're planning to park surplus cash somewhere, an offset is more useful than a savings account because it saves you interest at your loan rate, which is usually higher than what you'd earn in a deposit account.

What Happens When Rates Move

Your repayments increase when the Reserve Bank lifts the cash rate, and they decrease when rates fall. Most lenders pass on changes within a few weeks, and your repayment amount adjusts automatically.

If you're relying on rental income to cover most of your loan repayment, a rate rise can push you into negative cash flow. That's where a buffer matters. In our experience, investors who keep at least three months of repayments in an offset or savings account can ride out rate increases without needing to dip into their salary or sell in a hurry.

When rates drop, your repayments fall too, which means more cash flow or the option to pay down the loan faster. That flexibility is one of the main reasons variable rates dominate the investment loan market.

Refinancing Without Break Costs

You can refinance a variable rate loan at any time without paying break costs. That's not the case with fixed loans, where exiting early can trigger penalties in the thousands.

Refinancing makes sense when you've built equity and want to access it for another purchase, or when another lender is offering a lower rate or additional features. Waratah's median property values have held steady over the past few years, so investors who bought a few years ago may now have enough equity to borrow again without needing additional savings. If you're looking at refinancing to access equity or improve your rate, our refinancing page covers the process in more detail.

Rate Discounts and How to Negotiate Them

Most lenders publish a standard variable rate, then offer discounts based on your loan size, deposit, and borrowing history. The discount can range from 0.5% to 1.5%, and it's usually negotiable.

If you're borrowing above $500,000 with a deposit of 20% or more, you should be asking for the maximum discount. Lenders are more willing to negotiate if you've got multiple properties, a strong income, or you're refinancing a large balance. The discount applies for the life of the loan, so even a 0.2% improvement can save thousands over ten years.

If your lender won't budge, that's a signal to shop around. A broker can show you what other lenders are offering and help you work out whether switching is worth the effort. You can book a time to talk through your options using our book appointment page.

Loan to Value Ratio and Lenders Mortgage Insurance

Your loan to value ratio is the loan amount divided by the property's value. If you borrow more than 80% of the property's value, most lenders will charge Lenders Mortgage Insurance.

LMI protects the lender if you default, but it's an upfront cost you pay, usually added to the loan balance. On a property valued at $600,000 with a 10% deposit, LMI could cost between $15,000 and $25,000 depending on the lender. That's a significant hit to your equity from day one, which is why most investors aim for a 20% deposit or use equity from another property to avoid it.

Some lenders offer LMI waivers for certain professions or loan structures, and others will cap LMI at 90% LVR for investment loans. If you're close to the 80% threshold, it's worth checking whether a smaller loan amount or a guarantor arrangement can help you avoid the premium.

Claimable Expenses and Tax Deductions

All interest on an investment loan is tax deductible, along with property management fees, council rates, insurance, and depreciation. These deductions reduce your taxable income, which is where the tax benefit of property investment comes from.

If your rental property costs $35,000 a year to hold and generates $28,000 in rent, you've got a $7,000 loss. Under the negative gearing rules that applied before the recent changes, you could claim that loss against your salary. From 1 July 2027, if you bought the property after Budget night in May, that loss can only be offset against rental income or capital gains from residential property, not your wage. Existing investors who bought before that date keep the old rules.

Depreciation, loan interest, and ongoing costs still add up to meaningful deductions, even under the new arrangement. It's worth speaking to an accountant who understands investment property to make sure you're claiming everything you're entitled to.

Building Equity for Your Next Purchase

Equity is the difference between what your property is worth and what you owe. As you pay down the loan or the property increases in value, your equity grows. You can borrow against that equity to fund another deposit without selling.

Waratah sits close to Newcastle's CBD and Westfield Kotara, which keeps demand steady for units and townhouses. Investors who bought in the area a few years ago have seen modest capital growth, and most have built enough equity to consider a second property. If you're in that position, a broker can help you work out how much you can access and whether your income supports another loan. Our mortgage broker in Waratah page has more detail on how we work with local investors.

Call one of our team or book an appointment at a time that works for you. We'll walk through your current loans, your goals, and the lenders who are most likely to support your next move.

Frequently Asked Questions