Property due diligence evidence: what a desktop check can prove

Does a clear desktop property report mean the development is approved?

No. A desktop report collects selected information available to its author at a particular time. Ask which planning layers, title instruments, authority records and physical inspections it actually covers. A favourable result supports a next enquiry; it is not a planning decision or a building approval. Keep the proposed use and the unresolved checks beside the result so a short summary cannot silently become a purchase assumption.

Source: [1] CAV: residential purchase due diligence checklist

Why can one street address be an unreliable starting point for due diligence?

A street address is a locator, while the purchase concerns identified land. Check the lot, plan and title reference, including any additional parcel, common property or separately described unit. If the report pin falls on the front house but the proposal affects land behind it, confirm that both refer to the same legal parcel. Resolve mismatches before applying planning results or sales comparisons.

Source: [3] Land Use Victoria: property and title information[2] Land Use Victoria: property and parcel search

How should a report distinguish no issue found from no data available?

Use separate labels. No matching feature was found means a specific search ran over a stated coverage area; no data available means that check could not be completed. Record an unavailable service, unmapped area or unmatched parcel as unresolved. The useful follow-up is the authority or professional who can fill that gap, rather than treating a blank map or failed lookup as evidence that the property is unconstrained.

Can online map measurements establish the boundary or buildable width?

Use them for initial screening only. Land Use Victoria describes the dimensions in its property report as approximate. A tight side access, setback or building envelope needs an appropriate measured survey and interpretation of the title plan. Record whether a dimension was measured on site or read from a web map; rounding away a small discrepancy can change whether the concept fits.

Source: [2] Land Use Victoria: property and parcel search

When should an older due diligence report be refreshed?

Refresh the parts that matter to the current decision when the proposal, title, planning controls, site condition or source information changes. Also check whether the original report was prepared for another client or a different use and whether you may rely on it. A recent cover date does not prove that every underlying search is recent; read the dates and scope of the attached evidence.

What should I do if the floor plan shows a conversion that is missing from the permit records?

Treat the discrepancy as a specific enquiry before valuing the converted space as fully established accommodation. Ask the seller for the relevant approvals, endorsed plans and completion documents, then have the appropriate professional compare them with the property. CAV recommends checking renovation and extension permits with council. A listing label or a room being occupied does not explain its approved status.

Source: [4] CAV: inspect properties before buying

Does an empty environmental register search mean land is uncontaminated?

It does not establish that conclusion. EPA recommends considering past land use and several information sources when buying or developing land. A register records the matters within its scope; it is not a complete investigation of every property. Where history or the proposal raises a concern, identify the environmental enquiry needed before placing a clean-site assumption in the budget.

Source: [5] EPA Victoria: buying, selling or developing land

Is a preliminary risk screen assessment the same as an environmental clearance?

No. EPA explains that a PRSA considers the likelihood of contamination and whether an environmental audit is required. It does not itself confirm suitability for the existing or proposed use. Read the statement with its specified use and any recommended audit scope. If the purchase strategy changes, ask the environmental professional whether the assessment still answers the new question.

Source: [6] EPA Victoria: preliminary risk screen assessment

What should an investment report do when council records, a listing and an inspection disagree?

Show the conflict explicitly and identify what each source actually describes. They may refer to different dates, buildings, parcels or types of approval. Keep the original material and obtain clarification from the relevant authority or professional. Until resolved, use a conditional scenario or exclude the disputed benefit from the base appraisal; do not choose the most favourable version merely because it improves the result.

What makes a due diligence evidence register useful to the next adviser?

Give each issue a plain question, the exact property identity, source and date, the fact established, remaining uncertainty and the person responsible for the next action. Link to the original document and its relevant page. Separate a professional conclusion from your own working assumption. This lets the conveyancer, planner and finance adviser see what still needs a decision without reinterpreting an unlabelled folder of screenshots.