Property & Deposit Details
Your Estimated LMI Costs
$0
Estimated Total LMI Cost (Inc. GST)
0% LOAN-TO-VALUE RATIO (LVR) 100%
85%
LMI Breakdown Value (AUD)
Base Premium (Lenders Estimate) $0
Estimated Stamp Duty on LMI $0
Total Estimate $0
DISCLAIMER: This tool provides an estimate based on generalized Australian banking industry averages for Lenders Mortgage Insurance (LMI) premiums. LMI rates vary significantly between different lenders and LMI providers (like Helia or QBE). The calculation incorporates approximate tier escalations for LVR brackets > 80% and applies applicable state stamp duty. Self-employed applicants may attract premium loadings. This is for illustrative purposes only and does not constitute a formal loan offer or financial advice. Consult a qualified mortgage broker for exact quotes.

Lenders Mortgage Insurance (LMI) Estimator: For Deposits Under 20% (2026)

💡 Expert Tip (The Interest Snowball): Most banks allow you to “capitalize” your LMI, which means adding the insurance cost to your total loan amount instead of paying it upfront. While this helps you buy a home with less cash, remember that you will be paying interest on that LMI premium for the next 30 years! If your LMI is $20,000, it could end up costing you over $45,000 by the time you finish your mortgage. If you have the extra cash, paying LMI upfront is almost always the smarter long-term financial move.

In the Australian property market, a 20% deposit is considered the “Gold Standard.” However, with rising property prices, saving six figures is becoming impossible for many first-home buyers. If your deposit is less than 20% of the property value, banks consider the loan “high risk.” To protect themselves, they charge you Lenders Mortgage Insurance (LMI). Our LMI Estimator helps you calculate this one-off premium so you can factor it into your total buying budget.

What Exactly is LMI? (The Great Misconception)

The most important thing to understand about Lenders Mortgage Insurance is that it does not protect you. Despite you paying the premium, the insurance only protects the bank in case you default on your loan and the property is sold for less than what you owe. If the bank loses money after selling your home, the insurer pays the bank, and then the insurer may come after you to recover that loss. It is a cost of entry to the market, not a safety net for the borrower.

How LMI Costs are Calculated

LMI is not a flat fee. It is calculated using a complex matrix that considers two main variables:

  1. Loan-to-Value Ratio (LVR): This is the percentage of the property value you are borrowing. An 85% LVR (15% deposit) will have significantly lower LMI than a 95% LVR (5% deposit). The higher the LVR, the higher the risk, and the higher the premium.
  2. The Loan Amount: Borrowing $500,000 at 95% LVR is less risky for a bank than borrowing $1,500,000 at the same ratio. As the total loan amount increases, the LMI rate per dollar also increases.
  3. First Home Buyer Status: Some insurers offer slightly discounted rates for first-time buyers, though this varies between providers like Helia (formerly Genworth) and QBE.

*Disclaimer: Every lender uses their own specific LMI provider and internal tiering. The figures provided by this estimator are indicative averages. Final LMI costs will be provided by your lender during the formal approval process.*

How to Legally Avoid or Reduce LMI

LMI can be a massive waste of money if you can avoid it. Here are the three most common ways savvy Australians skip the LMI bill:

Frequently Asked Questions (LMI Buying Guide)

1. Is LMI a one-time payment or a monthly fee?
LMI is a one-off premium paid at the start of your loan. While it is a single cost, most buyers choose to ‘capitalize’ it, meaning it is added to the loan and paid off over the life of the mortgage through your monthly installments.
2. Is LMI refundable if I pay off my loan early?
Generally, no. LMI is almost never refundable. If you refinance your loan to another bank within the first 1-2 years, some insurers might offer a small partial refund, but this is rare and subject to strict terms.
3. If I switch banks (Refinance), do I have to pay LMI again?
Yes. If you refinance to a new lender and your equity is still below 20%, the new lender will require their own LMI policy. This is why many people wait until their home value increases or their loan balance drops below 80% LVR before switching banks.
4. Does LMI vary between different banks?
Yes. Different banks use different LMI providers (like Helia or QBE) and some banks even “self-insure.” Because each provider has its own risk appetite, the LMI cost for the exact same house and deposit can vary by thousands of dollars between lenders.
5. Can I use a First Home Owner Grant (FHOG) to pay for LMI?
Yes. If you are eligible for a state government grant, that money is typically paid at settlement. You can use those funds to cover your LMI, your stamp duty, or to increase your overall deposit.