Construction accounts for the largest share of Australian corporate insolvencies — 3,472 companies entering external administration in the most recent full year, out of 14,011 across the whole economy.
Almost none of them failed for lack of work.
That is the part outsiders find hard to believe and the part every builder recognises immediately. You can have a signed pipeline eighteen months deep and still not make payroll on Thursday.
The three-part trap
Construction combines three characteristics that are individually survivable and collectively lethal.
1. You fix the price before you know the cost
A contract signed in November is delivered across the following year at costs you do not control and cannot yet see.
One analysis puts the aggregate cost increase across the sector at 7 to 7.5% — covering fuel, materials, wages, superannuation, insurance, interest and government charges.
On a 5% net margin, a 7% cost increase does not compress your margin. It eliminates it and puts you 2% behind. You will still complete the job. You will still invoice it in full. You will lose money doing it, and you will not find out precisely how much until it is finished.
2. You fund the project before you get paid
Progress claims lag the work. Retentions hold back 5-10% for months past completion. Variations get disputed, and disputed variations are unfunded work you have already performed.
Across the economy, Australian small businesses are paid in an average of 24.1 days with invoices settled 6.9 days late. In construction, with progress claims, certification and retention, the effective cycle is considerably longer.
You are the bank. Uncompensated, unsecured, and usually without a facility sized for the role.
3. Every new job makes it worse before it makes it better
This is the mechanism that kills otherwise viable builders, and it is genuinely counter-intuitive.
Each new project requires cash out — materials, subbies, labour — before cash in. So growth consumes cash. A builder winning more work is drawing down harder, faster, precisely when the order book looks healthiest.
Which is why the phone can be ringing, the pipeline can be full, and the business can be insolvent. The order book is a measure of future revenue. Insolvency is a question about this Thursday.
What changed in 2026
Three things moved against builders in a single year.
Fuel. The Strait of Hormuz disruption from early March pushed national unleaded past $2.30/L. Excise relief cut the rate to 20.6c/L from April, stepped it to 36.6c in July, and the full 53.7c/L rate returned on 3 August 2026 — above the 52.6c pre-crisis baseline. Every ute, truck and delivery in your cost base repriced twice in five months.
Labour. Award rates rose 4.75% and the national minimum wage 5.97% to $26.44/hr from 1 July 2026. Superannuation sits at its legislated ceiling of 12%, and Payday Super — live from 1 July — moved super from quarterly to every pay run, compressing the cash cycle by up to three months for a sector that is heavily labour-loaded and already cash-tight.
Finance. The RBA lifted the cash rate three consecutive times to 4.35% by May 2026. Interest costs across the small business cost index are up 36.3% since March 2020. For a business funding projects on facilities, that is a direct hit to a line that was already carrying the working capital burden described above.
Any contract priced before March 2026 was priced in a different economy.
What actually works
Know your exposure on the existing book, today
Not a feeling. A number.
For every live contract: original price, costs incurred to date, costs to complete at current rates, and remaining exposure. Rank by exposure.
Most builders doing this exercise properly for the first time find two or three jobs carrying nearly all the risk. You cannot manage what you have not quantified, and “we’re a bit behind on that one” is not quantification.
Price rise-and-fall properly, or price contingency honestly
If your contracts allow rise-and-fall, confirm you are actually claiming under them. A surprising number of builders hold the clause and never invoke it, because the conversation is uncomfortable.
If they do not, your contingency has to carry the risk — and in an environment with 7-7.5% annual cost movement, a 2% contingency is not contingency. It is optimism with a line item.
Charge for variations, in writing, before you do the work
The single most common margin leak in Australian construction. Work performed on a verbal instruction, invoiced later, disputed, discounted, eventually written off.
No written variation, no work. It costs you a difficult conversation once. The alternative costs you the margin on the job.
Fix the cash cycle before the profit problem
Shorten claim cycles. Claim on the day you are entitled to, not when you get to the paperwork. Chase retentions actively — they are your money and nobody will remind you. Invoice variations immediately rather than bundling them at completion.
Arrange facilities from strength, not crisis. 34% of Australian SMEs already sourced non-bank lending in the past twelve months for working capital, and 92% have used or would consider it. It is now mainstream in this sector, not a distress signal — but it is far cheaper arranged in advance.
Be willing to not win the job
The hardest discipline in construction, and the one that separates builders who are still trading in five years from those who are not.
Work priced below cost does not become profitable through volume. It consumes the capacity, cash and management attention you would otherwise apply to work that pays — and it accelerates the cash drain described above.
A full order book of underpriced work is not a business. It is a slower failure with better optics.
The uncomfortable question
If you have been busy for two years and your bank balance has not improved, the problem is not sales, marketing or lead flow.
It is that the work you are winning does not make money at the price you are winning it, or that you are financing it for longer than your margin can carry.
Both are fixable. Neither is fixed by winning more of the same work.
Where to go next
- Fixed-Price Contracts Are Killing Margin — repricing risk properly
- Fuel Excise Is Back at 53.7c — what the 3 August change costs your vehicles
- Payday Super: The $124,000 Working Capital Hole
- Business Cash Flow in Australia
- The Profit Lever Hierarchy
Sources: ASIC insolvency statistics, FY2025-26; RBA Financial Stability Review March 2026 and Statement on Monetary Policy May 2026; Fair Work Commission Annual Wage Review 2026; Department of Infrastructure fuel excise fact sheet; ASBFEO Small Business Data Portal March quarter 2026; ScotPac SME Growth Index; AMP Bank GO Small Business Cost Pressure Index 2026; industry cost analysis, State of Australian Construction 2026. Figures current as at August 2026.