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Mortgage insurance, a second time

Moving a home loan to a new lender with less than 20% equity in the home might mean paying lenders mortgage insurance (LMI), which Moneysmart warns can raise the cost of switching enough to outweigh a lower rate. The premium is charged at the new lender, and the ACCC notes its size depends on the loan amount and the property’s value and could run to thousands of dollars.

General information, not financial advice. This guide does not arrange loans or insurance or give financial advice, and it quotes no premium. A lender sets whether LMI applies to a loan and what it costs. To check the rules, use ASIC’s Moneysmart; for questions about the 5% Deposit Scheme, Housing Australia’s scheme pages.

Whose cover it is

Moneysmart is plain about it: LMI protects the lender if a borrower cannot repay, and it does not benefit the borrower. It is usually a one-off cost, payable when the amount borrowed is more than 80% of the property’s value. That points to why a premium paid on the first loan does not settle the question for a second one: the cover was bought to protect the first lender, and a new lender making a new loan asks the question again. The ACCC lists an LMI premium at the new lender among the costs some borrowers may face when they switch.

The equity a new lender counts

Equity here is the gap between the property’s value and what is owed on it. Two things can move it between the first loan and the refinance. The first is the loan itself, paid down over the years or not. The second is the value, and in a refinance it is the new lender that orders a property valuation; the ACCC sets that out as one of the steps in switching.

Amount to be borrowed ÷ property value on the new valuation Above 80%: LMI often required The 80% line is the one Moneysmart and the ACCC describe. The ACCC says LMI is often required above it, which is not the same as always.

Values do not only rise. In 2023, APRA wrote that some borrowers trying to refinance with another lender may have less equity in their property after housing prices fell, and may no longer meet standard loan criteria as a result. The same letter is the subject of page 6.

If the first loan came through the 5% Deposit Scheme

Under the 5% Deposit Scheme, formerly the Home Guarantee Scheme, the Australian Government gives a participating lender a guarantee so a buyer can borrow with a small deposit, and Housing Australia says that since 1 October 2025 the scheme has carried no LMI. Housing Australia’s information guide for first home buyers sets out when that guarantee stays in place, and what happens on a refinance.

Refinancing a loan the scheme supports, in the guide’s terms
Refinancing withWhat the guide says
Another Participating LenderThe loan may keep the benefit of the scheme, subject to conditions: the loan amount cannot go up, the term cannot be extended, and nothing else can change that would affect eligibility.
A lender that is not a Participating LenderThe loan loses the benefit of the scheme.

The guide also lists, in this order, the events that end the guarantee:

Its warning follows: if the scheme stops covering a loan while the loan is still above 80% of the property value, the lender may impose LMI or other costs under its own policies and loan conditions. Read together, a refinance with a lender outside the panel ends the guarantee, and if the balance is still above 80% of the property value at that point, the guide’s warning about LMI or other costs applies.

The premium already paid

No official page this guide has found sets a rule for getting part of the first premium back. Moneysmart’s switching page raises it only as something a borrower who moves can ask about on the current loan, with no promise that anything will be returned; the answer rests with the insurer and lender concerned.

Putting it in the sum

An ASIC senior executive made the same point in 2021: before switching, consider whether LMI or other costs, such as discharge and loan arrangement fees, may be payable, because together they can outweigh the benefit of a lower rate. Moneysmart’s mortgage switching calculator treats up-front costs such as an early termination fee, an application fee and other switching costs as added to the new loan at the start.

Next: the serviceability buffer. Back: break costs on a fixed loan, or the six pages.

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