๐Ÿ  Free Australian Tool

LMI Calculator Australia

Calculate Lenders Mortgage Insurance cost, the break-even vs saving 20%, and how LMI affects your repayments.

Last verified: June 2025  |  2025 LMI premium rates | Genworth & QBE benchmarks

๐Ÿ  Your Loan Details

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LMI applies when deposit is less than 20%
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LVR = loan รท property value ร— 100
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How much more you could save per month toward 20%
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Estimated LMI Premium
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Your LVR
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Loan amount
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Extra monthly repayment

โš–๏ธ Pay LMI Now vs Save for 20% Deposit

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LMI in Australia: Should You Pay It or Wait for a 20% Deposit?

Lenders Mortgage Insurance (LMI) is a one-off insurance premium charged by Australian lenders when a borrower has a deposit of less than 20% of the property value (i.e. an LVR above 80%). It protects the lender โ€” not you โ€” if you default on the loan. Despite this, LMI is paid by the borrower and can add $5,000โ€“$30,000 to the cost of a home loan.

How LMI is Calculated in Australia

LMI premiums are calculated as a percentage of the loan amount. The rate increases with the LVR:

LVRApprox LMI RateLMI on $560K loan
80โ€“85%0.5โ€“1.0%$2,800โ€“$5,600
85โ€“90%1.5โ€“2.5%$8,400โ€“$14,000
90โ€“95%2.5โ€“4.0%$14,000โ€“$22,400

LMI break-even analysis: The key question is whether the property price growth you capture by buying now (instead of saving longer) exceeds the LMI cost. If property values in your area are growing at 5โ€“7% p.a. and you'd need 12โ€“18 months to save a 20% deposit, LMI is often worth paying โ€” the capital gain you'd miss by waiting typically exceeds the LMI premium.

LMI Exceptions โ€” When You Can Avoid It

LMI estimates are indicative only. Actual premiums depend on the specific lender and LMI insurer (Genworth or QBE). Always get a formal quote. Not financial advice.

Frequently Asked Questions

What is LMI and who does it protect?
Lenders Mortgage Insurance (LMI) protects the lender (not you) if you default on your mortgage. It is charged when your deposit is less than 20% of the property value. Despite protecting the lender, the premium is paid by the borrower โ€” either upfront or added to the loan.
How much does LMI cost in Australia?
LMI typically costs 0.5โ€“4% of the loan amount, depending on your LVR and loan size. On a $560,000 loan at 90% LVR, LMI is typically $8,000โ€“$14,000. At 95% LVR, it can reach $14,000โ€“$22,000. The premium is often capitalised (added to the loan), increasing your repayments slightly.
Is there a way to avoid LMI in Australia?
Yes โ€” the First Home Guarantee allows eligible first home buyers to purchase with 5% deposit and no LMI (government guarantees the remainder). A family guarantee (parent as guarantor) also avoids LMI. Some lenders waive LMI for specific professions (doctors, lawyers, accountants) at higher LVRs.

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