Apartment Due Diligence: Use AI to Find Evidence in OC Records

Yan Zhu
Co-Founder & Chief Data Officer

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AI can make a large owners corporation document pack easier to search. It cannot establish that the pack is complete, that a scanned figure was read correctly or that a legal liability has been allocated properly. The useful output is a list of evidence and unanswered questions, not an unsupported “safe to buy” verdict.
Yan’s August apartment-review script explicitly says, translated from Chinese: information produced by AI must be checked again by a person. That is the core of the workflow below.
First identify every relevant owners corporation
Read the plan of subdivision and title documents with the conveyancer. A development can involve more than one owners corporation, with different common property and obligations. Do not assume the first certificate in the contract is the only relevant one.12
Make a list of the purchaser’s lot and each owners corporation affecting it. Match each certificate, budget and fee notice to that list. The question is not merely “what are the annual body corporate fees?” but “which obligations attach to this lot, through which entity?”
Request the record set before asking AI for a conclusion
Consumer Affairs Victoria describes the records owners corporations must keep and the documents associated with a sale.3 Ask for the current certificate and accompanying documents, recent meeting minutes, financial statements, budgets, fee notices, maintenance plans, insurance and relevant defect or dispute material. Have the conveyancer identify the appropriate access and disclosure process.
Create a file inventory with date ranges. If minutes or attachments are missing, record that explicitly. A search reporting “no defect found” in an incomplete pack is only a statement about the supplied documents.
Ask for a page-linked issue register
Use a prompt such as:
Review only these supplied records. For each fee, proposed work, defect, insurance limitation or dispute, give the document name, date, page, short exact extract and amount if legible. Distinguish a discussion, proposal, adopted resolution, invoice and completed work. Mark missing or unreadable information. Do not infer that no issue exists because no record was supplied.
Keep personal information out of tools unless you have the right to use it there, and minimise irrelevant names and contact details. Open every cited page after extraction. Check the original page as well as searchable text where documents are scanned.
Reconcile funds, works and your lot’s liability
For each owners corporation, compare available funds, approved budgets, planned maintenance and proposed extraordinary expenditure.45 A bank balance alone does not show how much is available for a new defect: other obligations may already need the money.
Do not divide a building-wide repair estimate equally by the number of apartments and call that the purchaser’s liability. Check the applicable allocation rules, lot liabilities and resolutions with the conveyancer. Distinguish a preliminary estimate from an approved levy and a paid invoice. Record the timing and uncertainty of each amount.
Treat insurance and proceedings as separate evidence
Read the policy schedule, exclusions and relevant claims information rather than assuming building insurance covers every defect or every loss inside the apartment.6 Confirm which risks and excesses remain with the lot owner.
For a dispute, distinguish a complaint or filed claim from a hearing, order, settlement and recovery of money. A proceeding against a builder is not cash already available to repair the building. Where records identify unresolved work, ask for the latest engineering advice and funding position. CAV’s apartment checklist supports checking relevant proceedings and building information.7
Convert findings into decisions and requests
Give each issue a next action: obtain a missing attachment, reconcile a levy, commission a building inspection or request legal advice. Do not let a polished AI summary hide the unresolved item. Preserve the sources in a form another reviewer can follow.
Put ongoing fees and a supported allowance for identified works into the ownership budget; their effect should be considered with purchase, holding and selling costs.8 Continue with Section 32 due diligence, our cash-flow explanation, .id guide and SQM market checks. If the document pack is incomplete, say so before comparing two apartments as if both have been fully reviewed.
Questions buyers ask
Can AI approve an apartment purchase from its OC certificate?
No. It can extract and organise information, but completeness, legal interpretation and the physical building require additional checks.
Can one apartment have obligations to multiple owners corporations?
Yes. Check the title and subdivision documents and obtain the records relevant to every applicable owners corporation.
Is a maintenance-fund balance enough to rule out a special levy?
No. Compare committed expenditure, maintenance needs, proposed work, funding and the applicable decisions. The balance by itself cannot establish future fees.
Source videos and verification scope
This article develops practical questions raised in the published videos below and checks them against the sources cited here. Case prices, forecasts and broad claims in a video do not establish the result for another property.
References
- [1]Consumer Affairs Victoria: buying into an owners corporation
- [2]Planning Victoria: planning permits and title restrictions
- [3]Consumer Affairs Victoria: owners corporation records
- [4]Consumer Affairs Victoria: owners corporation financial management
- [5]Consumer Affairs Victoria: owners corporation maintenance plans
- [6]Consumer Affairs Victoria: owners corporation insurance
- [7]Consumer Affairs Victoria: buying an apartment or unit checklist
- [8]ASIC Moneysmart: buying an investment property
About the author

Yan Zhu
Co-Founder & Chief Data Officer
Former actuary turned property strategist, Yan brings rigorous data analysis and policy expertise to help investors make better decisions.