Usually only partly, if at all. Most lenders reserve full offset accounts for variable loans. Some offer a limited or partial offset on fixed loans, but it is far less common, which is one reason borrowers split their loan.
Written by Ross McFarlane, Licensed Mortgage Broker (Credit Representative 526725). About the authorOffset accounts shine on variable loans, where every dollar parked reduces your interest. On fixed loans they are rare or restricted. If an offset matters to you but you also want some fixed certainty, a split loan is the usual answer: keep the offset working on the variable portion while fixing the rest.
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Last reviewed: June 2026
General information only. This page provides general information about home loans and is not financial or credit advice, a quote, or a guarantee, and your personal circumstances have not been considered. Lending policies, interest rates, fees and eligibility vary by lender and change over time. Always confirm your own situation with a licensed mortgage broker or lender before acting. Ross McFarlane (Credit Representative 526725) is an authorised Credit Representative of Australian Associated Advisers Pty Ltd t/a Keylend, Australian Credit Licence 392169.