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Builder collapse · Victoria
Three weeks before the largest builder collapse in Victoria's history, the insurer knew it was coming and knew it would bring 1,200 claims.

Porter Davis Homes Group became insolvent on 31 March 2023, affecting more than 1,700 homeowners nationally. A Victorian Ombudsman investigation, required by the Legislative Council, later reconstructed what the insurer knew in the weeks beforehand and how the claims that followed were handled. This is what that report found, including the four month old financial review the Ombudsman called a significant misjudgement.

Published: 18 August 2026
Where: Victoria
Read time: ~10 min
Site Inspections has no involvement in this investigation and acts for no party to it. Every finding below is drawn from the Ombudsman's published report and is reported alongside the insurer's response to it. No homeowner is named. We write the independent inspection reports that domestic building insurance claims are built on, which is our interest in the subject.
Key facts
Insolvency
31 March 2023
the biggest builder collapse in Victoria's history
Homeowners affected
1,700+
nationally, on the Ombudsman's figure
Claims forecast by 9 March
1,200
more than three times any previous large loss event
Last financial review completed
Nov 2022
four months before the collapse
Key takeaways
The insurer's own review of Porter Davis, completed in November 2022, found the builder was "moving back towards profitability". It collapsed four months later. The Ombudsman calls that "a significant misjudgement".
By 9 March 2023, three weeks before the insolvency, the insurer knew a collapse would produce 1,200 claims, more than three times any previous large loss event.
On 22 March it was told there would be no government intervention. The Ombudsman found no evidence of a risk or capacity assessment, or a plan to minimise the impact on homeowners, during March 2023.
In the six weeks after the collapse the insurer received more claims than in the entire previous financial year, and a quarter of them arrived in a single day.
The Ombudsman found a reasonable outcome was achieved for most homeowners. VMIA does not accept that any homeowner received an unfair outcome, and says every claim was determined in line with the policy.

01What happened, and how big it was

The scale is the reason everything else in this article matters.

Porter Davis Homes Group became insolvent on 31 March 2023. In the Ombudsman's words, this "was the biggest builder collapse in Victoria's history, affecting over 1,700 homeowners nationally".

In Victoria, a builder becoming insolvent is one of the few events that opens a Domestic Building Insurance claim. Apartment buildings are Class 2 under the Code, and that label now carries obligations of its own. We have explained the building classification system and what Class 2 triggers. It is a last resort scheme: it responds when a builder has died, disappeared or become insolvent, and it is compulsory on domestic building projects costing more than $16,000. So when Porter Davis stopped trading, more than a thousand households turned to the same insurer at the same time.

The volume, in the Ombudsman's words

"In the six weeks following the Porter Davis collapse, VMIA received more DBI claims than in the entire previous financial year. A quarter of these were lodged in a single day."

That is the context for everything that follows. It is also the fairest thing that can be said about the people who had to handle it.

02The review that finished four months before the collapse

The insurer was not a regulator, but it did look at the books.

VMIA reviewed a builder's financial capacity as part of deciding whether to cover them, which it described as standard insurance underwriting. For large builders it appointed an external consultant to do an independent assessment. It could also review a builder's position at any time.

It did review Porter Davis. The Ombudsman sets out when.

The finding

"The last time VMIA began a review of Porter Davis was in July 2022. This review was completed in November 2022, four months before the collapse. This review found that there were concerns about Porter Davis's position, but it was 'moving back towards profitability'."

The Ombudsman does not leave that sitting there. Its assessment is direct: "given Porter Davis collapsed just four months later, it seems that the review finding that Porter Davis was 'moving back towards profitability' was a significant misjudgement."

The report also records the argument on the other side, and it is a real one. "One consideration VMIA had was that acting prematurely may have caused Porter Davis reputational damage, worsening its financial position." An insurer that moves early on a wobbling builder can be the thing that pushes it over.

03The three weeks before, day by day

Reconstructed by the Ombudsman from the insurer's own records.

By early 2023 Porter Davis was in serious trouble. The report records that the builder met the Victorian Treasurer seeking a $25 million loan, and that the Government also spoke to the Commonwealth Bank, its biggest lender. The Ombudsman is explicit that this "was outside of the scope of this investigation, so we did not look into this further", and neither do we.

What is within scope is what the insurer knew, and the dates are stark.

March 2023
Early March. "It appears that VMIA became aware of Porter Davis's impending collapse in early March 2023."
9 March. VMIA knew Porter Davis was in talks with the Department of Treasury and Finance, "and that a collapse would result in 1,200 claims, more than three times as many claims as any previous large loss event".
14 March. VMIA "was providing advice to DTF on the impacts to VMIA of a collapse".
22 March. "VMIA was told there would be no intervention." A buyout by Simonds Homes Victoria Pty Ltd was still on the table.
31 March. Porter Davis becomes insolvent. On the day, a senior member of the claims team told the communications team and the chief executive that the large loss response plan had been implemented.

Three weeks of notice, and a number. Not a vague sense that something might happen, but a specific forecast of 1,200 claims, which the insurer itself understood was more than three times anything it had handled before.

The Ombudsman's conclusion on that period is the line the whole report turns on.

The conclusion

"As well as hoping for the best, VMIA should have started planning for the worst sooner. There is no evidence that VMIA conducted a risk or capacity assessment or developed a plan to minimise the impact on homeowners during March 2023."

And immediately after it, in the same paragraph, the qualification that stops this being a simple story. "That said, given the scale of the Porter Davis collapse, and the limitations of preparation for large loss events generally, we do not think a few additional weeks of preparation would have made a material difference in this case."

Both halves are the finding. The insurer waited, hoping the Government or a buyer would step in, and it should have been planning at the same time. It is also probably true that three more weeks of planning would not have changed the outcome for the people waiting.

04What the insurer actually did

The response was substantial. It is worth setting out properly.

On the day and in the weeks after, the insurer activated its large loss response plan, stood up a dedicated Porter Davis team with a response room, daily information sessions and daily reporting, and contacted Treasury and Finance, the Assistant Treasurer's office, the Victorian Building Authority and Consumer Affairs Victoria.

It then set up a dedicated phone number and email address, activated and trained external call centre staff, built a dedicated web page and a Facebook group, and delivered seven information sessions for Porter Davis homeowners. It engaged three law firms to help assess and manage claims, two external providers to carry out building inspections, and media and communications specialists.

One detail is genuinely clever, and worth knowing if you are ever in this position. It engaged former Porter Davis employees, who the report describes as having "deep knowledge of existing defect issues", to help with defect claims on homes already occupied. It also obtained detailed information on every incomplete and defective project from the liquidator, Grant Thornton, to speed up assessment and make it easier for replacement builders to quote. Where homeowners were claiming a deposit back only, it used aerial photography to confirm work had not started.

Where it fell short was in the shape of the machine rather than the effort put into it. The Large Loss Response Guide "was still not finalised and contained some gaps". Call centre staff "used scripted responses which limited their ability to help homeowners with bespoke questions". The law firm staff, "while experienced, were not dedicated claims managers".

And one structural decision shaped how the whole thing felt from the outside: "claims were not assigned to a single claims manager, so a homeowner could speak to a different person at every stage of the process." If you have ever wondered why a claim can feel like it has no owner, that is what it looks like from the inside.

05How the claims actually went

The averages and the outliers tell different stories, and the report says both.

The average claim after the collapse took seven and a half months. Simpler claims, at deposit or frame stage, moved faster. Complex ones, involving later stages of work, multiple units or specialist reports, ran well above the average and some, in the report's words, "dragged on for years".

The report is careful to record that the insurer's average resolution time "has actually been continually decreasing since VMIA began offering DBI in 2010", and calls that improvement "admirable". Averages were getting better while individual long-running claims got no better at all.

There is one decision inside a claim that moved its value more than any other, and it is not obvious from the outside: whether each item was classified as a defect or as incomplete work. Claims for incomplete works are capped at 20 per cent of the original contract value. Claims for defective work are limited only by the total policy cap. We have set that out in full, including what the Ombudsman found about how those decisions were recorded, in what decides a domestic building insurance claim.

The overall finding, and the insurer's answer to it

"Both before and after the Porter Davis collapse, VMIA achieved a reasonable outcome for most homeowners, getting them 'back on track' and meeting the objectives of the DBI scheme. But for others, especially those living in a home with ongoing defects, the DBI scheme did not live up to its purpose."

VMIA's position is on the record alongside it: it "views its performance in managing DBI differently to the Ombudsman. It does not accept that some homeowners received unfair outcomes, and maintains that all claims were determined in line with DBI policy terms."

Responsibility for Domestic Building Insurance has since transferred to the Building and Plumbing Commission, which is why the Ombudsman's nine recommendations are directed there and to Government rather than to VMIA. All nine were accepted in principle.

06What this means if your builder is in trouble

Drawn from what the investigation found went wrong, not from general advice.

Four things this report points at
The state of the work on the day it stops is the whole question. Once a builder stops trading, what you can claim is decided by what was and was not done. Documenting that early, while the evidence is still on site, is worth more than anything you do later.
Itemise, do not summarise. The expectation is that you list each individual item you say is a defect, as well as identifying that the building is incomplete. A claim that just says the house is unfinished has given the assessor nothing to accept.
Insist on reasons, and ask which category an item went into. The Ombudsman found decision letters often carried no explanation of why items claimed as defects were treated as incomplete works. Recommendation 6 is that those reasons be recorded and communicated.
Expect to repeat yourself. At the time there was no single claims manager. If that is still your experience, keep your own dated record of who you spoke to and what was agreed.

A claim of this kind is decided on documentation. What an assessor can act on is an item that has been located, measured, photographed and tied to the clause or standard it engages, with a stated reason for treating it as defective work rather than work that was simply never done.

Site Inspections prepares the independent defects report that a domestic building insurance claim is built on. Every item measured, photographed and referenced to the clause or standard it engages, with the reasoning written down, in the format an insurer and a rectifying builder can act on.

Get a defects report for your insurance claim
We don't just do inspections. We investigate.
Request a defects report
Every job is quoted. Or contact us to talk it through first.

07Sources

Every quotation in this article comes from the document below.

1.
Victorian Ombudsman, "We just want to finish our home": management of domestic building insurance claims by VMIA
Investigation required by the Legislative Council, published 3 December 2025. Quotations are taken from the sections named beside them, including Why we investigated, VMIA's awareness of Porter Davis's situation, Conclusions on VMIA's preparedness, Response to the Porter Davis collapse, Liability decisions, and Overall conclusions. Every homeowner named in the report is a pseudonym and none is reproduced here. No image, figure or chart from the report is reproduced. ombudsman.vic.gov.au

This article replaced an earlier post on this address which was based on newspaper reporting. That version named individual homeowners and their financial losses, and covered a separate builder. It has been removed rather than corrected, because the sourcing did not meet the standard we apply to everything else on this site.

General information, not legal or financial advice. Domestic Building Insurance terms, limits and definitions differ between policy editions, and the figures quoted here may not be the ones that apply to your home. Refer to your own certificate of insurance and policy booklet, and seek advice about your circumstances. This article reports the findings of a Victorian Ombudsman investigation published on 3 December 2025 and the response of the Victorian Managed Insurance Authority to it. Site Inspections has no involvement in that investigation and acts for no party to it. Simonds Homes Victoria Pty Ltd and Grant Thornton are named only in the factual roles the report gives them, and no adverse finding is made or implied about either. Domestic Building Insurance is a Victorian scheme; Site Inspections works Australia wide.

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