Beginner's Guide to Variable Rate Investment Loans

A variable rate investment loan gives you access to features that fixed rates don't offer, including offset accounts, unlimited extra repayments, and the ability to redraw funds when another opportunity comes up.

If you're buying an investment property in Rockingham or expanding a portfolio across the southern suburbs, the rate type you choose determines how much control you'll have over your borrowing as your circumstances change. Variable rates move with the market, but the features attached to them are what make the difference between a loan that works with your strategy and one that gets in the way.

Offset Accounts and How They Work for Investors

An offset account is a transaction account linked to your investment loan that reduces the interest you pay without reducing the deductibility of your loan.

Consider an investor with a $450,000 loan on a Rockingham property who keeps $30,000 in an offset account. They pay interest on $420,000 instead of the full amount, but their loan balance stays at $450,000 for tax purposes. Every dollar in offset reduces your interest bill without touching the loan itself, which matters when you're trying to maximise deductions on an investment property. If you hold rental income, proceeds from a previous sale, or savings earmarked for the next purchase, an offset account keeps that money working for you instead of sitting in a standard savings account earning taxable interest.

This is particularly relevant in Rockingham, where many investors own properties near the foreshore or around the new Rockingham Strategic Metropolitan Centre redevelopment and are building portfolios that span multiple suburbs. Cash flow from one property can offset another while remaining accessible.

Redraw Facilities and Portfolio Growth

A redraw facility lets you take back extra payments you've made on your loan, giving you access to capital without needing to apply for a new product.

If you've been making principal and interest repayments on a variable rate loan and paying more than the minimum, that excess sits in the loan and can be withdrawn when you need it. In a scenario where an investor has paid down $40,000 over the required amount and wants to use that for a deposit on a second property, redraw makes it available without refinancing. Not all lenders offer unlimited redraw, and some charge fees or set minimum withdrawal amounts, so it's worth knowing the terms before you rely on it.

Redraw is different from offset. Offset keeps your money separate and always accessible. Redraw pulls it back out of the loan itself, and some lenders treat redrawn amounts differently for tax purposes if you use them for non-investment purposes. If you're planning to use redrawn funds for another investment, the deductibility generally continues. If you're using it for personal expenses, speak to an accountant about how that affects your claims.

Interest Only Repayments and Cash Flow Control

Interest only repayments are available on most variable rate investment loans and allow you to pay just the interest portion for a set period, usually up to five years.

This keeps your repayments lower during the interest only period, which can help if you're managing vacancy, funding renovations, or building a deposit for the next purchase. At the end of the term, the loan reverts to principal and interest unless you apply to extend it, and repayments increase because you're paying down the balance over a shorter remaining term. It's not a long-term strategy unless you're planning to sell or refinance before the interest only period ends, but it's a common feature for investors focused on holding multiple properties and managing cash flow across a portfolio.

Rockingham's rental market includes a mix of families, workers at the nearby industrial estates, and retirees attracted to the coastal lifestyle. Vacancy periods are generally short, but if you're holding a property between tenants or managing body corporate fees and rates on a unit near the marina, interest only repayments give you breathing room without forcing a sale.

Variable Rates and the Ability to Refinance Without Break Costs

Variable rate loans don't lock you into a rate, which means you can refinance or switch lenders without paying break costs.

If you're on a fixed rate and decide to move, most lenders charge break costs based on the difference between your contracted rate and the current market rate. On a variable loan, you can refinance at any point without that penalty, though you may still need to cover discharge fees and application costs with the new lender. This flexibility matters if you want to consolidate debt, access equity for another purchase, or move to a lender offering better investment loan features as your portfolio grows.

We regularly see investors in Rockingham who started with a single property and now hold two or three across the region. As they build equity, they often refinance to release funds for the next deposit or to move from interest only back to principal and interest once cash flow improves. Variable loans make that process more straightforward because you're not waiting for a fixed term to expire or calculating whether break costs justify the move.

Linking Multiple Loans to One Offset Account

Some lenders allow you to link more than one investment loan to a single offset account, which can make managing a portfolio more efficient.

If you have two properties and both loans are with the same lender, the funds in your offset account can reduce interest across both loans at once, depending on the lender's structure. This works well if you're centralising rental income or holding cash between purchases. Not every lender offers this feature, and the way they split the offset benefit varies, so it's worth asking how the calculation works before assuming it applies evenly across all loans.

Rate Discounts and Loan to Value Ratio

The interest rate you're offered on a variable investment loan is partly determined by your loan to value ratio, or LVR.

If you're borrowing 80% or less of the property's value, you'll generally get a lower rate than someone borrowing 90% and paying Lenders Mortgage Insurance. The size of your loan also affects pricing, with some lenders offering better rates once your total borrowing exceeds a certain threshold. This is relevant if you're building a portfolio, because consolidating loans with one lender or increasing your total debt with them can sometimes unlock rate discounts that wouldn't apply to smaller individual loans.

In Rockingham, median property values sit below the Perth metro average, which means investors can often keep their LVR lower without needing to borrow as much as they would in suburbs closer to the city. A lower LVR not only reduces your rate but also improves your serviceability, making it more likely a lender will approve additional borrowing when you're ready to expand.

Portability and Moving Your Loan to Another Property

Some variable rate loans include portability, which lets you transfer the loan from one property to another without discharging and reapplying.

This feature is useful if you sell an investment property and buy another around the same time. Instead of paying discharge fees, settlement costs, and application fees for a new loan, you move the existing loan across to the new security. Not all lenders offer this, and even when they do, you'll need to meet their current lending criteria and have the new property valued. If the new property is worth less than the old one or your circumstances have changed, the lender may not approve the transfer.

Rockingham investors often buy in nearby suburbs like Baldivis, Safety Bay, or Warnbro as they build portfolios, and portability can reduce the cost and time involved in switching properties without disrupting your borrowing structure.

Choosing Between Variable and Fixed for Investment Loans

Variable rates give you flexibility, but fixed rates give you certainty over repayments for a set period.

If cash flow predictability matters more than access to features, fixing part or all of your loan might make sense. If you want the ability to make extra repayments, access equity, or refinance without penalty, variable is usually the option that supports that. Some investors split their loan, fixing a portion for stability and keeping the rest variable for flexibility. That approach works if you want to manage both interest rate risk and portfolio growth at the same time, though it adds complexity and not all lenders allow splits on investment loans.

Call one of our team or book an appointment at a time that works for you. We work with property investors across Rockingham and the southern suburbs, and we'll help you find a loan structure that fits your strategy and the features that matter for the properties you're holding.

Frequently Asked Questions