A top up with your current lender is simpler and often quicker. A full refinance to a new lender takes more effort but can free up more equity or secure a better rate at the same time. The best choice depends on your lender and goals.
Written by Ross McFarlane, Licensed Mortgage Broker (Credit Representative 526725). About the authorBoth can fund a renovation, with different trade offs. Topping up stays with your existing lender, so there is less paperwork and no discharge of the old loan. Refinancing opens the whole market, which can mean more equity or a sharper rate, but more work. If your current rate is competitive, a top up often wins; if not, refinancing can do two jobs at once.
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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.