What is Lender's Mortgage Insurance (LMI)? This guide explains how it works, how much it costs, and when you need it.
Written by the Felix Finance team
Mikayla Edelman
Reviewed by
Mikayla Edelman
October 14, 2026
5 min read

Planning to buy a home without a 20% deposit? You may be considering a loan with lender’s mortgage insurance (LMI). This lender’s mortgage insurance guide will help you understand what LMI is, if it’s necessary, how much it costs, and alternatives you can consider.

To confirm if you need to pay LMI and if so how much, give the team at Felix Finance a call. In the 12 months to June 2026, Felix Finance supported 154 families and settled over $115,000,000 in home loans, and we can talk you through your personalised options.

Key takeaways:

  • Lender’s mortgage insurance (LMI) was historically mandated for loans with less than a 20% deposit, primarily protecting lenders against borrower default.
  • The cost of LMI varies based on the loan-to-value ratio (LVR), deposit size, loan size and lender, influencing overall financial planning.
  • Borrowers may be able to access lower-cost alternatives to LMI, such as family guarantees, professional waivers, low deposit loans or Government Schemes to reduce or eliminate associated costs

Understanding lender's mortgage insurance

Lenders mortgage insurance (LMI) protects lenders against financial losses if a borrower defaults on a home loan and the property is sold at a loss. It ensures that lenders can recover their losses if the borrower fails to meet their loan obligations, but it is not for the borrower’s benefit. Lenders mortgage insurance LMI is an important aspect of this protection, and claims can be made by only the lender.

While mortgage protection insurance (MPI) provides financial support to borrowers during unexpected life events, LMI strictly protects the lender’s financial interests.

What is LMI?

Lender’s mortgage insurance (LMI) is required by some lenders when the deposit or equity is less than 20% of the property’s value. It allows borrowers to obtain mortgage finance without a substantial deposit, facilitating home ownership even with lower savings.

If a borrower has a 20% deposit, LMI is generally not required because the loan to value ratio (LVR) is 80% or less.

Who does LMI protect?

Though paid for by the borrower, LMI is solely designed to protect the lender from financial losses due to borrower default. Many borrowers mistakenly believe that LMI offers them protection.

In reality, it is the lender’s financial interests that are safeguarded, not the borrower’s. If a borrower defaults, the property may be sold to cover the outstanding loan balance, but any shortfall must still be repaid by the borrower.

When do you need Lender's Mortgage Insurance?

Lender’s mortgage insurance (LMI) is often necessary when the borrower’s deposit is less than 20% of the property’s value, indicating higher risk for lenders. LMI protects lenders in case borrowers fail to make their loan payments. If the loan-to-value ratio (LVR) exceeds 80%, LMI will be required by most lenders.

While, saving a larger deposit can help borrowers avoid LMI costs, it may also be impractical, as rising house prices may mean the longer you save, the more expensive the home is.

Loan to Value Ratio (LVR) explained

The Loan-to-Value Ratio (LVR) is calculated by dividing the loan amount by the property’s appraised value. An LVR above 80% typically requires LMI as it signals higher risk for lenders.

Borrowers can reduce their LVR by having a guarantor, which might help avoid LMI.

Deposit requirements

LMI is generally required when a deposit is below 20% of the property’s value. Meeting the 20% deposit threshold helps borrowers avoid LMI, making it a crucial savings goal for potential homebuyers.

LMI eligibility criteria

Understanding the eligibility criteria for lender’s mortgage insurance (LMI) is crucial for borrowers looking to secure a home loan with a lower deposit. Here are the key factors that determine LMI eligibility:

  • Loan-to-Value Ratio (LVR): Borrowers with an LVR above 80% are typically required to pay LMI. This means if your deposit is less than 20% of the purchase price, LMI will likely be necessary.
  • Deposit Size: If your deposit is less than 20% of the property’s purchase price, you may be eligible for LMI. This is common for home loans with high LVRs, such as 90% or 95%.
  • Credit Score Requirements: Some lenders may have additional criteria, such as minimum credit score requirements, to qualify for LMI.
  • Income Thresholds: Lenders rarely consider income as part of an eligibility assessment.
  • Lender-Specific Criteria: Each lender may have unique requirements, so it’s essential to check with your lender to understand their specific LMI eligibility criteria.

By meeting these criteria, borrowers can better navigate the requirements for LMI and plan their home loan accordingly.

How much does lender's mortgage insurance cost?

Lender’s mortgage insurance (LMI) is not a fixed fee. Understanding these costs is essential for planning your finances effectively.

Factors affecting LMI Costs

The cost of LMI is influenced by the loan-to-value ratio (LVR), the value of the home, the state you're buying in, whether you're paying LMI upfront or capitalising it into your loan and which lender you choose.

LMI premiums are calculated on a tiered scale based on these variables and can vary by lender.

LMI premiums vary by lender, LVR and loan size, and are typically anywhere from thousands to tens of thousands of dollars. A broker can compare them for you.

Paying for Lender's Mortgage Insurance

Borrowers can pay for lender’s mortgage insurance (LMI) either as a one-time upfront payment or by incorporating the cost into the overall loan (often called 'capitalising LMI').

Understanding these options can help manage your financial planning better.

Upfront Payment vs. Adding to Loan

Paying LMI upfront generally results in lower overall costs by avoiding interest on the premium over the life of the loan, especially if you choose to pay lmi.

However, incorporating LMI into the loan spreads the cost over time but leads to additional interest charges and higher total payments.

Impact on Loan Balance

Adding LMI to the loan increases the overall loan balance, leading to higher monthly home loan repayments and more interest over the life of the loan. This can significantly impact long-term financial obligations and should be carefully considered.

5% Deposit Scheme and LMI

The Australian Government 5% Deposit Scheme (formerly the First Home Guarantee and Home Guarantee Scheme, renamed on 1 October 2025) is designed to help eligible home buyers enter the property market sooner by reducing the deposit required. Here’s how the scheme can impact LMI:

  • Low Deposit Requirement: The scheme allows eligible first home buyers to purchase with a deposit as low as 5% (or 2% for eligible single parents and legal guardians), significantly lower than the typical 20% required to avoid LMI.
  • Government Guarantee: Under the scheme, the government guarantees up to 15% of the property value, so no LMI is payable. This can save borrowers thousands of dollars in LMI premiums.
  • Eligibility Criteria: To qualify, you must be an Australian citizen or permanent resident aged 18 or over, buying a home to live in, and be a first home buyer or not have owned property in Australia in the last 10 years. Since 1 October 2025 there are no income caps and no limit on the number of places. Check the full requirements at firsthomebuyers.gov.au.
  • Applicable to New and Existing Homes: The scheme can be used to purchase both new and existing homes in any state or territory. Property price caps apply and vary by location (for example, $1,500,000 in Sydney and $950,000 in Melbourne). The postcode tool at firsthomebuyers.gov.au gives the exact cap for your area.
  • Additional Fees: While the scheme can help avoid LMI, borrowers may still need to pay other fees, such as mortgage registration fees and stamp duty.

By using the 5% Deposit Scheme, eligible borrowers can reduce their upfront costs and avoid paying LMI, making home ownership more accessible.

Refinancing and Lender's Mortgage Insurance

Refinancing a mortgage may require lender’s mortgage insurance (LMI) if the homeowner’s equity is insufficient. However, strategic refinancing can help minimise or avoid these costs.

LMI During Refinancing

LMI is typically required during refinancing if the loan-to-value ratio (LVR) exceeds 80%, indicating insufficient equity. This is a cost to be aware of if you're considering switching lenders.

Reducing LMI Costs with Refinancing

Borrowers can reduce LMI expenses by refinancing with the same lender or increasing their equity through larger down payments or property value appreciation. This approach can alleviate the financial burden of LMI.

Alternatives to Lender's Mortgage Insurance

Borrowers who wish to avoid paying LMI have several alternatives.

These include family guarantees and professional LMI waivers.

Family Guarantee

A family guarantee allows a family member to use their home equity to support a borrower’s home loan, potentially eliminating the need for LMI. This can cover the property price and associated costs like stamp duty and legal fees.

Professional LMI Waivers

Some lenders may waive LMI for certain professionals who meet specific income and employment benchmarks set by lenders. This can significantly reduce the financial burden of obtaining a home loan.

Low Deposit Premiums or Risk Fees

Some lenders charge a Low Deposit Premium (LDP) or Risk Fee instead of LMI when the loan is above 80% LVR. These are not insurance policies, and they are charged instead of LMI, not in addition to it. There are also specialist low-deposit options, such as Keystart in Western Australia (minimum 2% deposit and no LMI, although its rates are generally higher than mainstream lenders) and other lenders that specialise in smaller deposits.

LMI Versus Mortgage Protection Insurance

Understanding the difference between lender’s mortgage insurance (LMI) and mortgage protection insurance (MPI) is crucial for making informed decisions.

LMI is designed to protect the lender. On the other hand, MPI is there to safeguard borrowers.

Protecting the Lender vs. Protecting the Borrower

LMI protects lenders against losses from borrower defaults, whereas MPI provides coverage to borrowers in cases of unforeseen events like job loss or disability by helping cover mortgage repayments.

Choosing between these insurances depends on individual risk factors and needs.

Choosing the Right Insurance

Assessing financial situations and risk factors is essential when deciding between LMI and MPI.

Summary

In summary, understanding and managing lender’s mortgage insurance (LMI) is crucial for navigating the home loan landscape, especially if you're a first home buyer. By considering alternatives, making informed financial decisions, and proactively seeking assistance when needed, borrowers can optimise their mortgage experience and potentially save significant costs.

Last reviewed: September 2026.

This information is general only and does not take your personal objectives, financial situation or needs into account. Consider whether it is right for you before acting on it. Felix Finance Pty Ltd ABN 79 664 494 615 is a credit representative (572079) of Finsure Finance and Insurance Pty Ltd, Australian Credit Licence 384704.

FAQs

No items found.
This information does not take your personal objectives, circumstances or needs into account. Always read the disclosure documents for products and services before deciding on a product or service, and consider seeking independent legal, financial, taxation or other advice for your unique circumstances.
Get your free assessment

Latest guides

Guarantor home loans for borrowers
Considering asking your family to become a guarantor for your home loan? Read about the pros, cons and risks of using a guarantor to become a homeowner sooner.
View
Settlement
Your complete guide to the Australian property settlement process, including when to engage a conveyancer and what happens after loan approval.
View
Regional First Home Guarantee Scheme
How regional first home buyers can use the Australian Government 5% Deposit Scheme to buy with a 5% deposit and no LMI, since the regional guarantee merged into it on 1 October 2025.
View
First Home Guarantee Scheme
How the Australian Government 5% Deposit Scheme helps eligible first home buyers purchase with a 5% deposit and no LMI, with the price caps that apply from 1 October 2025.
View
Self-managed super fund (SMSF) loans
Discover how SMSF loans work, their benefits, eligibility requirements, and how to navigate the process of investing in property through your self-managed super fund.
View
Deposit bonds
Need a stop-gap measure for your property deposit? A deposit bond might be the solution you need. Here's everything you need to know about this financial tool.
View
Interest-only loans
Discover if interest-only home loans are right for you. Learn the pros, cons, and strategies to manage higher repayments after the interest-only period ends.
View
Fixed vs variable rate home loans
Discover the pros, cons and key differences between fixed and variable rate home loans to make an informed decision that saves you money on your home loan.
View
Split rate home loans
Learn how split rate home loans combine fixed rate stability with variable rate flexibility, and whether one could suit you.
View
Redraw facilities
Discover how home loan redraw facilities work, their benefits over offset accounts, and smart strategies to save thousands while maintaining financial flexibility.
View
Offset accounts
Discover how offset accounts can slash years off your mortgage and save you thousands. Get expert tips to maximise benefits and avoid common pitfalls.
View
Loan-to-value ratio (LVR)
LVR (loan-to-value ratio) is the percentage of your property's value that you're borrowing. Your LVR can determine your interest rate, fees and purpose options.
View
Self-employed home loans
Discover how to get approved for a home loan when self-employed. Learn tips, document requirements, and lender insights to boost your chances.
View
Help to buy scheme
The Australian Government's shared equity scheme for new and existing homes, with 2026-27 income thresholds and price caps.
View
Bridging loans
All About Bridging Loans: A temporary financing solution that helps homeowners purchase a new property before selling their existing one
View
First Home Super Saver Scheme (FHSS)
How the First Home Super Saver Scheme works, including eligibility requirements, how to access it, and its benefits and limitations.
View
Refinancing
Your essential guide to refinancing and how to lower the cost of your mortgage: when to refinance, how to refinance, and your refinancing options.
View
Rentvesting
A comprehensive guide to rentvesting: how first-time buyers can build wealth by purchasing investment properties while continuing to rent in preferred locations.
View
Lender's mortgage insurance
What is Lender's Mortgage Insurance (LMI)? This guide explains how it works, how much it costs, and when you need it.
View
House and land packages
A house and land package lets you combine a vacant land purchase with a construction loan, for a single, streamlined purchase process.
View

Latest articles

Financial freedom is just a call away.
Let's chat, and find out your options.