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Lenders Mortgage Insurance (LMI) Guide Australia: Costs, Waivers & Deposit Rules
- Authors

- Name
- Charlotte Smith
- https://x.com/CharlotteSmithAU
Lenders Mortgage Insurance (LMI) Guide Australia (2026–27)
Saving a full 20% cash deposit for a home in Australian capital cities can take many years. To help buyers enter the property market sooner with a smaller deposit (5% to 15%), Australian banks and lenders utilize Lenders Mortgage Insurance (LMI).
However, many first-home buyers misunderstand who LMI protects, how it is calculated, and the legal pathways available to completely waive or avoid paying LMI.
This comprehensive guide breaks down how LMI works, cost tier tables, capitalising LMI into your loan balance, professional industry waivers, and the Federal Government's Home Guarantee Scheme.
1. What Is Lenders Mortgage Insurance (LMI)?
LMI is an insurance policy that protects the lender (the bank), NOT the borrower, in the event that you default on your home loan and the sale of the property fails to cover the outstanding mortgage balance.
When Is LMI Required?
In Australia, banks generally mandate LMI whenever your Loan-to-Value Ratio (LVR) exceeds 80% (meaning your cash deposit is less than 20% of the property's purchase price):
- If property purchase price = $800,000 and your deposit = $80,000 (10% deposit), your LVR is 90%, triggering LMI.
- If your deposit = $160,000 (20% deposit), your LVR is 80%, requiring $0 LMI.
2. Typical LMI Costs in Australia (LVR Tiers)
LMI is a one-off premium that increases exponentially as your LVR rises and as the total loan size increases (risk compounding).
| Property Purchase Price | 15% Deposit (85% LVR) | 10% Deposit (90% LVR) | 5% Deposit (95% LVR) |
|---|---|---|---|
| $500,000 | ~$3,200 | ~$7,800 | ~$14,500 |
| $750,000 | ~$5,400 | ~$14,200 | ~$26,800 |
| $1,000,000 | ~$8,900 | ~$22,500 | ~$42,000 |
| $1,500,000 | ~$16,500 | ~$41,000 | ~$78,000+ |
Can You Capitalise LMI into the Mortgage?
Yes. Most Australian banks allow you to "capitalise" the LMI premium into the total loan amount rather than paying cash upfront. For example, on a $700,000 loan with a $14,000 LMI premium, the bank issues a mortgage of $714,000, which you pay off gradually over the 30-year term.
3. How to Legally Avoid or Waive LMI
1. The Federal Home Guarantee Scheme (HGS)
Administered by Housing Australia, the Federal Government guarantees up to 15% of the loan value for eligible buyers, allowing you to purchase with as little as a 5% deposit with ZERO LMI:
- First Home Guarantee (FHBG): 35,000 places per year for eligible first home buyers.
- Regional First Home Buyer Guarantee (RFHBG): 10,000 places for regional buyers.
- Family Home Guarantee (FHG): 5,000 places for single parents to buy with just a 2% deposit with NO LMI.
2. Professional Industry Waivers (LVR up to 90%–95%)
Many Australian lenders offer LMI Waivers for accredited professionals with low historical default rates:
- Medical Professionals: Doctors, surgeons, dentists, veterinarians (borrow up to 90%–95% LVR with zero LMI).
- Legal & Financial Professionals: Lawyers, barristers, CPAs, Chartered Accountants, actuaries (borrow up to 90% LVR with zero LMI).
- Mining, Engineering & IT Professionals: Eligible engineers and surveyors earning above high-income thresholds.
3. Family Guarantor Loans
A family member (usually parents) uses equity in their own home as additional security for the 20% deposit, eliminating LMI entirely.
4. Calculate Your LMI & Deposit Requirements
Estimate your exact LMI premiums and test deposit scenarios using our free property tools:
- LMI Calculator — Calculate one-off LMI premiums across 80% to 95% LVR.
- Home Deposit Calculator — Model savings required for 5%, 10%, and 20% deposits.
- First Home Buyer Calculator — Check government grant eligibility, stamp duty exemptions, and borrowing limits.