Builders rarely fail on the building.
They fail on the timing of money.

Construction businesses fail when they cannot pay what is due, which is a question about timing rather than a question about profitability. A builder pays trades and suppliers for work as it is built. The client pays after a stage is complete, assessed and processed. Between those two events sits a gap the builder funds out of their own capital, on every job, all at once. That gap is the structural feature of the industry, and it is why a business can price well, build well, earn real margin and still reach a month it cannot fund.

This page is written carefully, because the subject deserves it. Behind every construction insolvency are trades who were not paid, homeowners with an unfinished house, and a builder and a family who in most cases were working hard and doing competent work. Very few of these businesses failed because someone was reckless. Most failed because a sequence of ordinary decisions compounded quietly and nobody was reading the numbers that would have shown it. That sequence is knowable, which is the only reason it is worth writing down.

What this page is and is not

It is general information about a financial mechanism, written so a builder can recognise a pattern in their own business early enough to do something about it. It is not financial advice, it is not legal advice, and it cannot tell you anything about your own position. A builder with genuine concerns about solvency should speak to their accountant, and where the position is serious, to a registered insolvency practitioner or a qualified restructuring adviser. Early is materially better than late, and asking early is a normal thing competent operators do.

Solvency is the ability to pay debts as and when they fall due. Profitability is whether revenue exceeded cost over a period. They are related but they are not the same question, and in construction they can point in opposite directions for a long time before anyone notices.

The reason is where a builder's money lives. At any moment a healthy building business holds a large amount of value that is not cash: work built and not yet claimed, claims lodged and not yet paid, retention held by clients months after completion, variations done and not yet approved. That is working capital, and every job locks up its own share of it. Profit that has genuinely been earned can sit in those categories for months. The trades, however, are paid this fortnight.

So the picture to hold is two separate lines. One is the margin the jobs are earning, which is what forecast final cost and work in progress reporting exist to keep honest. The other is the capital required to carry the book until that margin turns into cash. A business fails when the second line runs out, whatever the first line says, and the warning signs on this page are all measurements of the distance between them.

The operator's observation is that the builders who get into trouble are almost never the ones who were not working hard enough. They are usually the busiest people in the business, which is exactly the problem: the work that would have shown them the position, the monthly forecast review, the retention register, the variation that never got written up, is the work that gets deferred when there is a job to run. Being flat out is not a defence against this pattern. It is the condition in which it grows.

The disciplines that hold a position are unremarkable and they compound. In a softer market with elevated costs they matter more rather than less, because there is less room for a good month to absorb a bad one.

• Claim the stage the day it completes. The fastest way to free capital is to stop lending it to clients through late claims. A claim sitting in a drafts folder is the builder funding the client at no interest.
• Set the claim schedule against the actual cost curve. A schedule agreed at contract that tracks when the money is genuinely spent removes the deferred gap before it exists. That is a pricing decision rather than an administrative one, and far cheaper to get right at contract than to renegotiate at lock-up.
• Review forecast final cost monthly on every open job. Profit fade almost never arrives as one event. It arrives as a run of small optimistic decisions, and the monthly review is the only cheap moment to catch it.
• Write up variations before the next one starts. Work built and never priced is cost against revenue that does not exist, and every week that passes makes it harder to raise.
• Keep a retention register and chase on the due date. Retention at both ends of the chain, tracked with dates, is often a material sum a business has forgotten it is owed.
• Know the peak, not the average. The working capital the book requires at its heaviest is the number that has to be funded, because the peaks across concurrent jobs land together rather than averaging out.
• Have the conversation early. If the indicators are pointing the wrong way, an accountant and, where warranted, a registered insolvency practitioner have more options available at month three than at month twelve. This is the one item on the list that does not belong to software or systems.

Where software fits the workflow

Nothing here is a software problem in origin, and no system prevents a business failing. What systems change is when a builder finds out. The indicators on this page stay invisible mostly because assembling them by hand across a cost spreadsheet, an accounting file, a claims folder and someone's memory takes a day nobody has. In VIABUILD the cost position updates as supplier invoices are read and coded, so budget against committed against actual is current rather than assembled, and progress claims are tracked by stage on the same understanding of the job. The judgement stays entirely with the builder. What changes is that the direction of the numbers is readable in a morning instead of reconstructed after it matters.

The points below are labelled by evidence class. Figures are point-in-time, requirements differ by jurisdiction and change over time, so confirm the current source before relying on any of them. None of this is financial, legal or insolvency advice.

• Industry statistic. A record 3,596 Australian construction companies entered external administration for the first time in the 2024-25 financial year, up 21 per cent on the prior year, and construction leads the industry count for insolvencies. That is cited as context for why the mechanism is worth understanding, not as a claim about any individual business or about the current year. Confirm against the current published statistics.
• Common practice. Payment timing in residential construction is partly governed by contract and partly by state and territory security of payment legislation, which sets out payment claim and payment schedule processes and timeframes. Where a claim is not paid, that framework is the ordinary route rather than an escalation, and the state-by-state position is in security of payment by state.
• Common practice. Some jurisdictions operate retention trust or project bank account schemes requiring retention money to be held in trust rather than used in the business. Where such a scheme applies, retention cannot be treated as available cash even informally. Application depends on the jurisdiction and the contract, so confirm the current source.
• Common practice. Home warranty schemes assess a builder's financial capacity before permitting a volume of work, which is why the same underlying position governs both survival and growth. That mechanism is covered in financial capacity and growth.
• Professional recommendation. Directors of Australian companies have duties relating to trading while insolvent, and those duties have real personal consequences. Nothing on this page addresses them. A director with any concern about the solvency of their company should obtain advice from a qualified adviser or a registered insolvency practitioner promptly, because the options available narrow with time.

Most builders in a deteriorating position are not ignoring the numbers. They are reading them and drawing a reasonable conclusion from an incomplete picture. Four misreadings recur.

• Reading the bank balance as the position. The balance reflects money received, including deposits and early claims for work not yet built. It is the one number reliably strongest just before it matters, which makes it the worst single indicator available.
• Reading a full order book as security. Signed work is future revenue and immediate capital consumption. A strong pipeline is a good thing sitting on top of adequate working capital, and an accelerant sitting on top of inadequate working capital.
• Reading last year's profit as this year's health. Financial statements describe a period that has closed. They can show a genuinely profitable year for a business that is in a materially different position by the time they are read, which is why direction on the current book matters more than the last set of accounts.
• Reading one bad job as the whole story. A single job that lost money is a job. The question worth asking is whether the same conditions, thin pricing, late cost data, unclaimed variations, are present across the book, because portfolio patterns are what compound.

Illustrative only, not a benchmark. A renovation and custom home builder is running four jobs and winning steadily. The work is well regarded, the trades are good, and every job was priced with a sensible margin. Nothing in this example involves anyone behaving badly.

In the first six months, two contracts are signed with claim schedules weighted toward the early stages, because that is how the builder has always done it and it has always felt comfortable. The early claims on both jobs recover more than those stages cost, and the surplus pays down the tail of an older job that ran long. The bank balance is healthy. Nobody records that a gap has been created at the back of two jobs.

In the next six months the business wins two more homes. Six jobs now run at once, and their capital peaks fall in the same fortnight in the second month. Deposits arrive and cover it. Meanwhile costs on three of the jobs have drifted, because materials were bought at order rather than at estimate and two variations were built without being priced. Forecast final cost has not been reviewed since the jobs started, so the fade is real but unmeasured.

In the final six months the two front-loaded jobs reach their back end, where the remaining claims no longer cover the remaining trades. Retention on three completed jobs has never been chased. Payables begin to age, and the builder starts paying trades in order of who is calling. A client then disputes a claim, reasonably, and takes four weeks to resolve it. That four weeks is the event everyone will later describe as the cause.

The counterfactual is not heroic. At month four, a monthly forecast review would have shown three jobs fading. At month six, a claim schedule set against the actual cost curve on the next contract would have stopped the gap growing. At month nine, a retention register would have identified money already owed and collectable. At month twelve, an honest look at ageing payables against ageing receivables would have prompted a conversation with an accountant while there were still options. None of those is a rescue. Each is a decision made earlier, which is the only advantage on offer.

Solvency (the ability to pay debts as and when they fall due), working capital (the capital locked inside open jobs at a point in time), front-loaded claim schedule (a payment schedule that recovers more early than the work consumes early, deferring a funding gap to the back of the job), profit fade (the erosion of forecast margin across a job's life), cost to complete (the remaining cost to finish, the input every forecast depends on), retention (money withheld until after completion or the defects period, at both ends of the chain), unclaimed variation (work instructed and built but never priced or approved), external administration (the formal insolvency processes a company may enter), aged payables and receivables (listings of what is owed and owing by age, the cheapest early indicator available). The wider vocabulary lives in the construction glossary.

The disciplines this page keeps returning to each have their own reference: forecast final cost, cost to complete and construction working capital.

• Australian Securities and Investments Commission, for published insolvency statistics and guidance on directors' duties, including obligations relating to insolvent trading.
• Your state or territory's security of payment legislation and the body that administers it, for the current payment claim, payment schedule and adjudication framework where a claim is not paid.
• Australian Restructuring Insolvency and Turnaround Association, the professional body for registered insolvency practitioners, for information on what early advice involves.
• Your own accountant, the only party in this list able to look at your actual position, and the right first call if the indicators on this page are pointing the wrong way.