Jul 31st, 2025

How to Calculate Lenders Mortgage Insurance (LMI) at 90% LVR

Compute Your Lenders Mortgage Insurance (LMI) at 90% LVR

1. What Are LMI and LVR?

Lenders Mortgage Insurance (LMI) is a premium charged by lenders when your Loan-to-Value Ratio (LVR) exceeds 80%. It protects the lender if you default.

LVR is the ratio of your loan amount to the property’s value, expressed as a percentage. At 90% LVR, the lender finances 90% of the property’s purchase price or valuation.

2. Identify Your Key Figures

  • Property Value: The purchase price or latest valuation.
  • Loan Amount: 90% of the property value.
  • LMI Rate: Varies by lender and borrower profile, typically between 0.5% and 4% of the loan.

3. Example Calculation

Suppose you’re buying a home worth $600,000 and borrow 90% of its value:

  • Loan Amount: $600,000 × 0.9 = $540,000
  • Estimated LMI Rate: 1.8%
  • Premium: $540,000 × 0.018 = $9,720

You can either pay this premium upfront or add it to your loan balance (“capitalise” it).

4. Factors That Influence LMI

  • Higher LVR and larger loan amounts increase the premium.
  • Investment loans, lower credit scores or smaller deposits may push rates up.
  • Some first-home buyer programs waive LMI entirely for eligible borrowers.

5. Tax Treatment of LMI

  • Owner-occupiers: LMI is not tax-deductible.
  • Property investors: You can claim LMI as a tax deduction over five years.

Final Tip

For the most accurate LMI figure, try an online LMI calculator or consult a mortgage broker. Comparing different lenders can uncover lower LMI rates or smaller deposit requirements.

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Need help with your LMI calculation? Talk to our mortgage experts and optimise your borrowing strategy today.

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