LMI Calculator — Lenders Mortgage Insurance

Buying with less than a 20% deposit? You'll likely pay Lenders Mortgage Insurance — a one-off premium that can top $20,000. Enter your numbers for an indicative estimate.

10% here = 90% LVR
Estimated LMI premium

Uses official 2026-27 rates (last reviewed July 2026). Estimates only — see assumptions below.

What LMI actually is

Lenders Mortgage Insurance protects the lender, not you. When your deposit is under 20% (an LVR above 80%), the bank takes on more risk, so it makes you pay a one-off premium that insures it against loss if you default and the sale doesn't clear the debt. You pay for the cover but receive none of it — the trade-off is that LMI lets you buy years sooner than saving a full 20% would.

How the premium is worked out

Two things drive the cost: your LVR and your loan size. The premium is a percentage of the loan that rises sharply as LVR climbs — small near 81%, and several times larger by 95%. A bigger loan also attracts a higher rate. As a rough guide on a $600,000 loan, expect around $13,800 at 90% LVR and over $23,000 near 95%.

LVRIndicative premium (% of loan)
80.01–85%~0.9% – 1.6%
85–90%~1.6% – 2.9%
90–95%~3.0% – 4.4%

Representative mid-market figures for an owner-occupier, principal-and-interest loan. Actual premiums are set by the insurer and vary by lender, term and borrower type.

How to avoid or cut it

The clean way is a 20% deposit (80% LVR). Short of that, a guarantor — a family member pledging equity — can drop your effective LVR below 80% and remove LMI entirely. Eligible first home buyers can use the federal Home Guarantee Scheme, where the government covers the gap above 80% so no LMI is charged. It runs Australia-wide, but has property price caps that vary by location (for example $1,500,000 in Sydney and $850,000 in Perth for 2026) and other eligibility rules; our deposit guide sets out the current figures. Some lenders also waive LMI for certain professions such as doctors, accountants and lawyers.

Capitalising and refunds

Most lenders let you add the premium to the loan rather than pay it upfront — convenient, but it then accrues interest for the life of the loan. LMI is largely non-refundable: a partial refund may apply only if you repay within the first year or two, and the policy doesn't transfer if you refinance to a new lender, so switching early can mean paying LMI twice.

LMI isn't automatically "bad". Paying $15,000 in LMI to buy a year earlier can beat two more years of rent and rising prices. Run the numbers both ways before assuming you must wait for a full 20% deposit.

Frequently asked questions

How much is LMI on a $600,000 loan?
As a rough guide, LMI on a $600,000 loan is about $13,800 at 90% LVR and rises to over $23,000 near 95% LVR. At 80% LVR or below there's no LMI at all. Enter your exact deposit above for an estimate.
How can I avoid paying LMI?
Save a 20% deposit (80% LVR or lower), use a guarantor, or — if you're an eligible first home buyer — use the government's Home Guarantee Scheme, which covers the gap so no LMI is charged. Some lenders also waive it for certain professions.
Who does LMI protect?
LMI protects the lender, not you. If you default and the property sale doesn't cover the debt, the insurer pays the lender the shortfall — and can then pursue you for it. You pay the premium but get none of the cover.
Can LMI be added to the home loan?
Usually yes. Most lenders let you capitalise the premium on top of the loan so there's nothing to pay upfront, but it then accrues interest over the full loan term, adding to the true cost.
Is LMI refundable if I refinance?
Rarely. A partial refund may apply only if you cancel within the first one to two years; after that it's non-refundable and doesn't transfer to a new lender, so refinancing early can mean paying LMI a second time.

Sources