The easiest way to use an offset account on your home loan

An offset account linked to your home loan reduces the interest you pay each month by offsetting your savings balance against your loan amount.

For buyers in Subiaco, where tree-lined streets and proximity to Kings Park make property ownership a long-term commitment, understanding how offset accounts work can mean thousands of dollars saved over the life of a loan. The decision to include an offset account in your home loan package depends on how much you can keep in the account and whether the lender charges a higher rate or annual fee for the feature.

How an offset account reduces your interest charges

Your lender calculates interest daily on the outstanding loan balance. An offset account sits alongside your home loan and reduces the balance used in that calculation. If you owe $500,000 and keep $30,000 in a linked offset, you pay interest on $470,000. The interest saved each month is then applied to your principal, building equity faster than a standard variable loan without offset.

Consider a buyer who purchases a two-bedroom apartment in Subiaco, borrowing at a variable rate. They keep $25,000 in their offset account, made up of emergency savings and regular salary deposits. Over a year, this balance saves them more than $1,000 in interest at current variable rates, without requiring them to lock the money away or pay tax on interest earned. Because the offset reduces the balance daily, even temporary deposits like a quarterly bonus or tax refund create a saving.

Offset accounts and tax on investment properties

An offset account on an investment loan does not reduce your tax deduction. Interest is still charged on the full loan amount and remains deductible, but the offset balance reduces the actual interest you pay out of pocket. This makes offset accounts particularly useful for investors who want to retain full deductibility while keeping cash accessible for repairs, vacancies, or future purchases.

In our experience, buyers who plan to convert their owner-occupied Subiaco home into an investment property within a few years should consider an offset from the start. Paying down the principal with extra repayments before the property becomes an investment reduces the deductible debt. Keeping surplus cash in an offset instead preserves the loan balance and the full deduction when you move and rent the property out.

When an offset account costs more than it saves

Some lenders charge a higher interest rate or an annual package fee for loans with offset accounts. If you cannot maintain a meaningful balance in the offset, the additional cost may exceed the interest saved. A $395 annual fee and a 0.10% rate loading on a $400,000 loan costs roughly $795 per year. To break even, you would need to keep an average offset balance of around $20,000 throughout the year at current variable rates.

If your household expenses fluctuate or you prefer to pay down the loan directly, a no-frills variable loan with a lower rate and no ongoing fees may deliver better value. Alternatively, a split loan lets you pair a lower-rate fixed portion with a smaller variable portion that includes an offset, reducing the cost of the feature while retaining flexibility.

Offset features that matter in Subiaco

Not all offset accounts function the same way. A 100% offset reduces interest on the full balance held in the account. A partial offset, such as 60%, only offsets a portion of your savings and is less common. Most lenders in Australia offer 100% offset on variable loans, but fixed rate loans rarely include a full offset. Some lenders allow multiple offset accounts linked to the one loan, useful for households managing separate savings goals or rental income from a second property.

Subiaco's high concentration of young professionals and families means many buyers prioritise features that support career mobility and changing household needs. A portable loan lets you transfer the same loan and offset structure to a new property without reapplying or paying discharge fees. If you expect to upsize within five years, portability and offset access together create a structure that adapts without penalty.

Comparing offset accounts across lenders

Rates, fees, and offset features vary between lenders. One lender may offer a low variable rate with no offset option, while another includes offset as standard but charges a slightly higher rate. Comparing home loan options means looking at the combined cost of the rate, fees, and features over the period you expect to hold the loan, not just the advertised rate.

Offset accounts are typically available on variable rate and split rate loans, but not on stand-alone fixed rate loans. If you want the certainty of a fixed rate and the flexibility of an offset, a split structure lets you fix a portion for rate security and keep the remainder variable with offset access. This approach works well for buyers who want to manage risk without giving up the ability to use surplus income to reduce interest charges.

Call one of our team or book an appointment at a time that works for you. We work with lenders across Australia and can structure a loan with offset features that match how you save and spend, whether you are buying in Subiaco or refinancing an existing property.

Frequently Asked Questions