A mortgage valuation is an assessment used by a lender to decide how much a property may be worth as loan security. It can affect the loan-to-value ratio (LVR), the amount a lender is prepared to advance and whether extra equity, a larger deposit or lenders mortgage insurance may be required.
The lender’s valuation is not the same as the purchase price, an agent’s appraisal or a building inspection. A valuation also does not approve the loan by itself: the lender separately assesses income, expenses, liabilities, credit history, loan purpose and policy.
What is a mortgage valuation?
A mortgage valuation provides an opinion of a property’s market value and suitability as security for a proposed loan. The lender normally orders it and determines the acceptable valuation method. Depending on the property and application, this may involve data modelling, an external inspection, a desktop assessment or a full physical inspection.
APRA’s residential mortgage lending guidance says authorised deposit-taking institutions should have appropriate security-valuation policies, including criteria for selecting valuation methods, valuers and review processes. Individual lenders apply their own risk and credit policies.
Why lenders order a property valuation
The lender needs to understand the value and marketability of the security if the loan is not repaid. The result can help the lender:
- calculate the LVR;
- confirm whether the property fits its security policy;
- identify features that may affect marketability or value;
- decide whether a physical inspection is required;
- apply low-deposit or mortgage-insurance requirements; and
- set conditions for purchase, refinance, construction or equity-release lending.
A satisfactory valuation does not guarantee approval. It addresses the property-security part of the assessment, not the borrower’s full capacity or eligibility.
Mortgage valuation versus appraisal, sale price and building inspection
Real-estate appraisal
An agent’s appraisal estimates a likely selling range and can help with marketing or negotiation. It is not automatically acceptable to a lender as an independent mortgage-security valuation.
Contract or purchase price
The agreed price shows what one buyer and seller accepted. A lender may still adopt a lower value after considering comparable sales, property condition, marketability and its valuation instructions. Some lenders calculate LVR using the lower of the purchase price and accepted valuation.
Building and pest inspection
A valuation is not a structural, electrical, plumbing or pest report. Moneysmart recommends professional building and pest inspections as part of the home-buying process. A buyer should not rely on the lender’s valuation to reveal defects or determine whether the property is a suitable personal investment.
Common mortgage valuation methods
Automated valuation model (AVM)
An AVM uses property and market data to generate an estimate. It can suit properties with sufficient reliable data and straightforward characteristics. The model does not physically inspect the property, and the lender may require another method where confidence is insufficient.
Desktop valuation
A desktop assessment is prepared without a full internal inspection, using property records, comparable sales, images and other available information. Its suitability depends on lender policy, data quality, transaction type and risk.
Kerbside or external assessment
An external assessment can confirm the location and visible exterior features without entering the property. It may not identify internal renovations, condition or defects.
Full inspection valuation
A valuer physically inspects the property and considers land, improvements, condition, accommodation, location, comparable sales and other relevant matters. A full inspection is more detailed but still has a defined mortgage-security scope.
Construction or as-if-complete valuation
Construction lending may involve an “as is” value and an “as if complete” value based on approved plans, specifications and costings. Progress payments and later inspections can remain subject to lender requirements.
What a valuer may consider
Relevant factors can include:
- recent comparable sales and current local conditions;
- land size, zoning, access and location;
- property type, age, construction and accommodation;
- condition, presentation and obvious maintenance issues;
- approved and unapproved improvements;
- title, easements, encumbrances or use restrictions;
- tenancy, management or occupancy arrangements;
- environmental, marketability or resale concerns; and
- whether the property is complete, unique or in a limited market.
The Australian Property Institute distinguishes an independent valuation from an appraisal and maintains current guidance for valuations used for mortgage and loan security purposes.
How the valuation affects LVR
LVR is the loan amount expressed as a percentage of the value accepted by the lender. For example, if the proposed loan is $640,000 and the lender accepts a value of $800,000, the LVR is 80%.
If the accepted value falls to $750,000 while the requested loan remains $640,000, the LVR becomes about 85.3%. That change may affect the available loan, pricing, mortgage-insurance requirement or eligibility. The lender’s own calculation and policy apply.
What happens when the valuation is lower than expected?
A lower valuation can create a funding shortfall. Depending on the contract, loan and timing, possible responses may include:
- contributing a larger deposit or more equity;
- reducing the purchase price through negotiation;
- reducing the requested loan or changing the structure;
- considering a different lender whose policy and valuation are suitable;
- requesting a review where there is strong new evidence or a factual error;
- using a finance condition where the contract permits; or
- not proceeding, subject to the contract and legal advice.
Do not assume another lender will obtain a higher value. Valuations can differ, but a new application can involve another credit enquiry, fee, delay and no guarantee of a different result.
Can a mortgage valuation be challenged?
A borrower or broker may be able to raise a factual error or provide relevant evidence through the lender’s review process. Useful evidence can include recent genuinely comparable settled sales, correct land or floor-area information, approved plans, renovation details and photographs that were unavailable.
A higher asking price, an agent appraisal or the borrower’s preferred value may not be enough. The lender or valuation provider decides whether a review, amendment or new inspection is warranted. A broker cannot instruct the valuer to reach a particular figure.
Who pays for the valuation?
There is no universal rule that every borrower must pay a valuation fee upfront. Some lenders include one valuation in the application process, some charge in particular circumstances, and specialist, commercial, construction, rural or multiple-property valuations may carry a fee.
Ask for the amount, payment timing and refund conditions before proceeding. A fee can remain payable even if the valuation is lower than expected or the application does not proceed.
How long does a mortgage valuation take?
Timing varies with the valuation method, access, location, property type, valuer availability and lender workflow. An automated result can be quick, while an inspection or specialised report may take longer. Allow additional time for access problems, unusual properties, construction documents or review requests.
A valuation booking is not formal approval. Avoid making an unconditional commitment or relying on a settlement date until the lender confirms the required approval status and your solicitor or conveyancer has advised you on the contract.
Preparing for a valuation
- Provide the correct address, title and contact details.
- Arrange timely access where an inspection is required.
- Make approved plans, specifications and renovation records available.
- Correct factual property information before the report is completed.
- Tell the broker or lender about unusual title, tenancy or access arrangements.
- For construction, provide the signed building contract, plans and specifications requested.
- Do not conceal known defects or assume presentation alone will change market value.
Valuations for refinancing and equity release
A refinance lender may order a new valuation even if the existing lender recently valued the property. The outcome can affect the refinance amount, usable equity, pricing and whether costs such as lenders mortgage insurance arise.
Estimated online equity is not available cash. The lender assesses the accepted property value, existing debts, requested limit, serviceability and policy before approving any equity release.
Special properties and valuation risk
Small apartments, high-density projects, serviced apartments, rural or mixed-use property, company title, unusual construction, short leases, single-industry locations and properties with unapproved works can attract additional scrutiny or lower acceptable LVRs. Policy differs by lender.
Investors can use the separate guide to investment-property valuation risks for a detailed pre-purchase checklist. For broader lending criteria, see Investment Property Loans.
Frequently asked questions
Is the lender’s valuation the property’s true sale price?
No single figure guarantees a future sale price. The mortgage valuation is an opinion prepared for the lender’s security purpose at a particular time and under stated instructions.
Does a high valuation increase borrowing capacity?
It may improve the security position or LVR, but borrowing capacity also depends on income, expenses, liabilities, credit policy and the proposed loan.
Will renovations add their full cost to the valuation?
Not necessarily. Market value reflects buyer demand and comparable evidence, not simply the amount spent. Unapproved or highly personalised work may contribute less than its cost.
Can I choose the lender’s valuer?
Usually the lender selects or allocates the valuation provider from its accepted panel or system. The lender decides which report it will rely on.
Can the same valuation be transferred to another lender?
Sometimes a lender may accept a transferred or re-addressed report, but many require their own instructions or a new assessment. Acceptance is never automatic.
Official guidance and next steps
- APRA: APG 223 Residential Mortgage Lending
- Australian Property Institute: what is a property valuer?
- Moneysmart: buying a house
- Discuss a home-loan scenario with GQ Finance
This article provides general information only and does not take into account your objectives, financial situation or needs. Valuation methods, fees, LVR calculations, lender policies, mortgage-insurance requirements and approval conditions vary. Obtain independent legal, property, building, tax or financial advice where appropriate. GQ Finance Pty Ltd ABN 19 827 707 218. Australian Credit Representative No. 523333.
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