The quick answer
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LVR compares the relevant loan amount with the property value used by the lender. Lenders mortgage insurance protects the lender and may apply to some higher-LVR loans; paying it does not insure your repayments or guarantee approval. A deposit percentage is therefore only part of the picture. Confirm the valuation, financed charges, insurance treatment and servicing assessment for the actual property, while keeping purchase costs and accessible cash separate.
Define the ratio before comparing percentages
Loan-to-value ratio is a comparison between borrowing and property value. In a simple fictional example, a $480,000 loan against a $600,000 value gives an 80% LVR. A $540,000 loan gives 90%. Both calculations require a clear definition of the amount borrowed and value used.
The lender may use a valuation that differs from the agreed price. It may also have rules about which financed costs count in the relevant assessment. Ask for the actual calculation rather than assuming the advertised deposit percentage tells the whole story.
LVR describes security exposure; it is not a household budget. Two people with the same LVR can have very different income, debt, expenses and ability to meet repayments. Keep the ratio and the cash-flow assessment separate so neither is mistaken for a complete approval test.
A lower valuation can change the cash requirement
Suppose the fictional purchase price is $600,000 and the planned loan is $540,000. At the price, the simple ratio is 90%. If the relevant lender value is instead $570,000, the same loan is about 94.74% of that value.
If a hypothetical lending condition limited the loan to 90% of $570,000, that would be $513,000. The household would need $27,000 more towards the price than under the original $540,000 plan, before other costs. This is a numerical illustration, not a statement of any lender’s policy.
It explains why a deposit that appears sufficient using an online listing can leave a gap after valuation. Obtain the property-specific financing position before entering a commitment that depends on a loan amount not yet confirmed.
Understand whose risk LMI covers
The Insurance Council of Australia explains that LMI covers the lender’s risk of not recovering the outstanding debt after borrower default and a sale for less than the loan balance. The borrower commonly bears the premium cost, but that does not make the borrower the insured claimant.
LMI is different from insurance a household might obtain for death, disability or inability to work. Paying an LMI premium does not remove your obligation to repay the loan. Do not assume a lender’s insurance claim cancels every possible remaining liability.
Ask the lender to explain the policy’s role, premium and any consequences relevant to the loan. The household still needs a plan for repayments, essential costs and potential income disruption. An insurance charge in the settlement paperwork is not evidence that those risks have been solved.
Source: Insurance Council of Australia: lenders mortgage insurance
The 80% reference is not a universal promise
MoneySmart says LMI may be required where LVR is above 80%. That is a useful reference point, but actual lender policies, property types, eligibility pathways and arrangements differ. Avoid turning “may” into a guarantee that every loan at or below a chosen percentage will be approved without additional conditions.
Likewise, a special lending or guarantee program has its own requirements. Eligibility should be confirmed through the official program and participating lender, not assumed from a general first-home label. A waived or avoided premium does not mean the borrowing is automatically affordable.
Record the source of any quoted condition and whether it is an initial indication or a final property-specific assessment. A marketing statement can introduce a pathway without settling the questions needed for your own transaction.
Financing a premium changes the debt
Imagine a fictional base loan of $540,000 and a $10,000 charge that is added to borrowing rather than paid from cash. The debt becomes $550,000 before any other charges. Against a $600,000 value, that simple ratio is about 91.67%, rather than 90%.
The $10,000 is invented and is not an LMI estimate. Actual premiums depend on the arrangement and need a lender quote. The example demonstrates why a financed cost belongs in the debt and repayment calculation instead of disappearing from the purchase budget.
Ask whether the quoted repayment uses the base loan or the final financed amount. Also ask how the lender treats the premium in its LVR and approval calculations. A small mismatch between documents can matter when borrowing close to a stated limit.
Affordability remains an independent question
A property may provide sufficient security for a loan while the repayment still places pressure on the household. Income reliability, other debts, dependants, living costs and possible rate changes deserve a realistic review. The largest amount a lender will consider is not automatically the amount a person can comfortably manage.
For a fictional household with $6,000 monthly take-home income, $3,000 of loan payments and $2,600 of other required costs leave $400 before any omitted annual or unexpected costs. The ratio alone says little about that limited room.
MoneySmart’s home-buying guidance encourages checking repayment resilience. Use actual expenses and a higher-rate scenario rather than making the budget fit the desired property. If the loan requires every optimistic assumption to hold, identify that dependence before committing.
Source: MoneySmart: buying a house
Do not overlook cash required outside the loan
Duty, legal work, inspections, settlement adjustments and moving costs may need to be paid from savings. If every dollar has been called a deposit, the overall cash plan can be short even when the intended LVR is correct.
For example, $90,000 cash minus $15,000 of verified purchase costs and a separately chosen $10,000 reserve leaves $65,000 available towards the price. It is misleading to describe the full $90,000 as deposit money and then assume the costs and reserve remain available afterwards.
Keep a dated cash worksheet alongside the loan worksheet. Mark what is already paid and which charges are financed. Reconcile both with the lender and conveyancer so the deposit, final debt and settlement contribution describe the same transaction.
Ask for the whole loan picture in writing
Request the value used, base loan, financed charges, cash charges, insurance treatment, rate, term and estimated repayment. Confirm the status of approval and any conditions still outstanding. Keep the response with the property budget.
Elaris’s home planner can organise entered purchase costs and an illustrative repayment. It does not quote LMI, conduct a valuation, apply lender policy or determine borrowing capacity. A calculated percentage should not be described as a lender’s assessment.
If the figures change after a valuation or updated quote, revise the whole worksheet. Do not keep a reassuring deposit percentage from an earlier scenario while replacing only the repayment. The decision needs one consistent set of verified inputs.
Ask what happens if the property, purchase price or requested loan changes before settlement. An assessment based on one set of figures should not be carried over silently to another. Keep the current version of the quote and identify which earlier document it replaces. A clear version history avoids combining an old insurance figure with a new loan amount or relying on an expired approval condition.
A ratio also changes when value changes without any new borrowing. An unchanged fictional $480,000 debt against a $600,000 value is 80%. Against a later $540,000 value, it is about 88.89%. This does not calculate a lender's reassessment or predict a market fall. It shows why current equity cannot be assumed from the original purchase ratio. Use a current verified value and the lender's actual rules when considering a later refinance.
Source: MoneySmart: choosing a home loan
FAQ: Does LMI protect me if I lose my job?
LMI protects the lender’s specified risk, not the household’s income. Other insurance products have different purposes and conditions. Do not rely on the LMI line in a loan quote as evidence that repayments are covered after illness, disability or job loss.
FAQ: Does a 20% deposit guarantee approval?
No. A deposit affects the ratio, but the lender also assesses the borrower, property and loan under its rules. Purchase costs and any required reserve may reduce the cash available towards the price. Obtain the actual assessment rather than treating one percentage as approval.
FAQ: Can I add the LMI premium to the loan?
That depends on the lender and arrangement. If a charge is financed, it increases debt and may affect repayments and the relevant ratio. Ask for the final financed amount and calculation. The premium does not become free merely because it is not paid from savings at settlement.
FAQ: Can Elaris tell me the LMI price?
No. Use an actual lender quote for your circumstances. Premiums and eligibility vary, and the site does not connect to insurance pricing or underwriting. Keep the cost marked unknown until it is verified, then enter the appropriate cash or financed treatment in your budget.
Put the next step into practice
Use your own confirmed figures and keep outstanding questions visible. Core tools are free, with no bank connection or compulsory account.
Open the Home purchase planner ↗Sources and editorial notes
Sources checked 24 October 2026. Worked examples are fictional illustrations. Rules, eligibility and product terms can change; use the official source for your circumstances.
- Insurance Council of Australia: lenders mortgage insurance ↗
- MoneySmart: saving for a house deposit and LVR ↗
- MoneySmart: choosing a home loan ↗
- MoneySmart: buying a house ↗
General information, not an individual financial or legal assessment. AI-assisted drafting with source checks; independent professional review has not been completed. How we prepare our guides · Suggest a correction