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Understanding Lenders Mortgage Insurance (LMI) in Australia

Updated: Sep 14, 2025

When it comes to securing a home loan, many Australians face a significant challenge: saving for a deposit. In most cases, lenders require a 20% deposit to approve a home loan. But what happens if you can’t save that much? This is where Lenders Mortgage Insurance (LMI) comes in. While it might seem complicated at first, understanding LMI is crucial for anyone looking to buy a home in Australia with a smaller deposit. In this article, we’ll break down what LMI is, how it works, and its pros and cons.



What is Lenders Mortgage Insurance (LMI)?

Lenders Mortgage Insurance (LMI) is an insurance policy that protects the lender in case the borrower defaults on their home loan. It’s important to note that LMI doesn’t protect the borrower. Instead, it protects the lender in situations where the sale of the property doesn’t cover the full loan amount.

In Australia, if your loan-to-value ratio (LVR) is greater than 80% (meaning your deposit is less than 20% of the property’s value), you’ll likely need to pay for LMI. This is common for first-time homebuyers, as they typically struggle to save a 20% deposit.

While it may seem like an unnecessary cost, LMI allows you to purchase a home sooner with a smaller deposit. But let’s explore the details of how LMI works and the associated benefits and drawbacks.



How Does LMI Work?

When you apply for a home loan, the lender evaluates the risk involved. This includes factors like your deposit, income, and credit history. If your LVR is more than 80%, the lender may ask you to take out LMI to protect them in case you default.

If you default on your mortgage and the property is sold for less than what you owe, the lender can claim the LMI policy to cover the difference. This helps the lender avoid significant losses and ensures they can recover their money.


Important: LMI is not designed to protect you as the borrower. If you default on the loan and the sale doesn’t cover your mortgage, you will still be responsible for the shortfall, and your credit rating could be impacted.



How Much Does LMI Cost?

The cost of LMI depends on several factors, including:

  • The size of your loan

  • The amount of your deposit

  • Your lender’s policies


LMI can be a substantial expense, sometimes running into thousands of dollars. It’s typically calculated as a percentage of your loan amount, and the more you borrow and the smaller your deposit, the higher your LMI premium will be. In most cases, LMI can be paid upfront or added to your mortgage repayments.



Pros of LMI

While LMI comes with a cost, there are several advantages that make it worthwhile for many borrowers:

  1. Get Into the Market Sooner: LMI allows you to purchase a home even if you don’t have a 20% deposit saved up. This is especially helpful for first-time homebuyers who might otherwise be unable to afford a home.

  2. Increased Purchase Price: With LMI, you can access a loan with an LVR greater than 80%, meaning you may be able to afford a more expensive property than you could with just a 20% deposit. This gives you the flexibility to purchase a property that might have been out of reach otherwise.

  3. No Ongoing Fees: Once you’ve paid for LMI, there are no ongoing premiums or fees. This means you won’t have to worry about making monthly LMI payments, and the cost is often one-off.



Cons of LMI

While LMI offers clear benefits, there are also some important drawbacks to consider:

  1. Additional Upfront Cost: The main downside of LMI is the cost. It can be expensive, and when added to your home loan, it increases the overall amount you’ll need to repay. For some, this cost may be a barrier to purchasing a home.

  2. Doesn’t Protect You as the Borrower: Unlike other types of insurance, such as home and contents insurance, LMI does not offer any protection to the borrower. If you default on your mortgage, LMI won’t prevent the consequences, which can include a damaged credit rating and financial difficulties.

  3. Non-Refundable Except Partially in the First Months: LMI premiums are generally non-refundable, except for a partial refund in the first few months, depending on the lender. This means that if you pay your LMI upfront and decide to refinance shortly afterward, you might be able to recover a portion of the cost, though this varies based on the lender and the terms of the policy.

  4. Increased Loan Costs: LMI can raise the overall cost of your loan, as the cost of the insurance premium is added to your mortgage repayments or paid upfront. Additionally, securing a loan with LMI may result in higher interest rates, increasing your overall mortgage costs.



Should You Pay for LMI?

Deciding whether to pay for LMI depends on your individual situation. If you’re in a position to save a 20% deposit, you might avoid LMI altogether, which could save you thousands of dollars. However, if you’re eager to buy a home and don’t have a large deposit, LMI can be a valuable tool to help you enter the property market sooner.


Before committing to LMI, it’s important to:

  • Understand the costs involved

  • Assess your ability to make the payments

  • Compare different loan options



Conclusion

Lenders Mortgage Insurance (LMI) is an important part of the Australian home loan landscape, particularly for first-time buyers. It allows borrowers to purchase a property with a smaller deposit, helping to get into the market sooner. However, it comes at a cost and doesn’t provide any protection to the borrower.


If you’re considering buying a property with less than a 20% deposit, LMI might be a necessary expense. Understanding how it works, its pros and cons, and whether it makes financial sense for you can help you make an informed decision.


For a complimentary assessment of your mortgage options, feel free to contact us here.


Let’s discuss how we can help you navigate your home loan options and make the best decision for your financial future.


 
 
 

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Enric Tarraso-Letang is credit representative number 482605 of Buyers Choice Licensing Pty Ltd ACN 626 172 281 (Australian Credit Licence No.509484) 

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