The short answer
Lenders mortgage insurance (LMI) is a one-off premium most lenders charge when you borrow more than 80% of a property's value. It protects the lender, not you, if the loan defaults and the property sells for less than the debt. You can usually avoid it with a 20% deposit, the 5% Deposit Scheme, a family guarantor or a professional LMI waiver.
When do you have to pay LMI?
LMI usually applies when your loan to value ratio (LVR) is above 80%, meaning your deposit is less than 20% of the property's value as assessed by the lender. Some lenders apply it at lower LVRs for certain loans, such as some low doc or self-employed loans.
LMI is charged once, when the loan settles. Most lenders let you add it to the loan amount (capitalise it) instead of paying it in cash, although that means paying interest on it.
How much does LMI cost?
The premium is set by the insurer and depends mainly on the loan size and the LVR. The higher either one is, the higher the premium, and the jump from 85% to 90% or 95% LVR is significant. It can range from a few thousand dollars to tens of thousands on a larger loan with a 5% deposit.
Because premiums differ between insurers and lenders, we quote the actual LMI figure for your loan before you commit.
How can you avoid paying LMI?
The main options are:
- Save a 20% deposit so your LVR is 80% or less
- Use the Australian Government 5% Deposit Scheme, which removes LMI for eligible buyers within property price caps
- Use a family guarantor who offers equity in their property as extra security
- Use a professional LMI waiver if you are an eligible doctor, lawyer, accountant or other included profession
- Buy a slightly cheaper property so your deposit covers 20%
Is LMI ever worth paying?
Sometimes. LMI is a real cost, but if prices are rising faster than you can save, buying sooner with a smaller deposit can leave you better off than waiting. It depends on your budget, the property and how long saving the rest would take. We can model both paths side by side.
Frequently asked questions
Generally no. LMI is a one-off premium, and refunds are limited and rare. If you refinance to a new lender with an LVR still above 80%, you may have to pay LMI again, which is one reason to check your LVR before switching.
No. It protects the lender. If you want protection against being unable to make repayments, that is a different product, such as income protection or mortgage protection insurance.
For an investment property, LMI is generally treated as a borrowing expense that can be claimed over five years or the loan term if shorter. For your own home it is not deductible. Check with your accountant.
Sources
Related
General information only. It does not take into account your objectives, financial situation or needs. Lender criteria vary and approval is at the lender's discretion. Homestead is a mortgage broker, not a lender. Last updated 2026-11-05.