The number every construction business gets wrong before it gets anything else wrong
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Ask a lender why a building firm failed and the answer is rarely the one the founder would give. The founder will talk about a client who paid late, a subcontractor who walked off, a wet winter. The lender, who has seen the accounts, will usually say something shorter: the jobs were priced wrong from the start, and the business only found out when the cash ran out.
I have spent my career on the pricing side of construction, first inside general contractors and now running a firm that prepares estimates for other builders. We have worked alongside enough construction estimating companies and enough contractors to see the same failure repeat in every market, at every size. It is not a construction problem. It is a numbers problem that happens to wear a hard hat.
A bid is a forecast, and most are made without data
Every construction job begins with a price, and that price is a forecast of what the work will cost months before anyone has bought a brick. How that forecast is produced decides whether the company makes money, and in most small and medium firms it is produced badly.
The proper method has a name, a takeoff. Someone measures every element on the drawings and records the quantity: 380 metres of foundation wall, 96 door sets, 2,000 square metres of plasterboard. Each quantity is priced with a current material cost and a labour rate derived from how fast the firm’s own crews actually work. Subcontractor quotes are added for the trades the firm does not do itself. Then the site costs that belong to no single trade, the supervisor, the welfare cabin, the skips, the insurance. Then overhead, then margin.
That is a week of work on a mid-size project, and it produces a number that can be defended line by line. What actually happens in many firms is that the owner opens the spreadsheet from the last similar job, changes the address, adjusts a few figures that look obviously different, and knocks a percentage off the total because he wants the work. The number is now a feeling with a decimal point.
Why underpricing hides for six months
If a bad price hurt immediately, contractors would stop doing it. It does not. A job priced ten percent under its real cost looks perfectly healthy for the first half of the programme, because the client’s deposit and the early valuations arrive before the expensive trades have invoiced. The firm feels busy and cash-rich. The owner takes on another job on the same basis.
The reckoning arrives in the final third, when the finishing trades are on site, retention is being held, and the money that should have paid them was consumed by the first two-thirds. The owner now has two choices, and both are how construction companies die. He uses the next job’s deposit to finish this one, which works until there is no next job. Or he cuts corners on the finishes, which is how a pricing error becomes a dispute and then a claim.
Accountants call this overtrading. Estimators call it the bid catching up with you.
The three numbers that actually matter
After enough post-mortems, the same three figures separate the firms that last from the ones that do not.
The first is the measured quantity. Not the square-metre rate somebody remembers, but the count. A firm that knows it has 2,000 square metres of plasterboard on a job can price it, schedule it, and notice when the boarders have used 2,400. A firm working from a lump sum notices nothing until the invoice.
The second is the real production rate. Published labour norms are averages of everyone’s crews. A firm’s own crews board 120 square metres a day or they board 90, and the difference between the two on a 2,000-square-metre job is more than a week of wages. The profitable firms measure their own rates on every job and price the next one from them.
The third is contingency, and it has to be a real line, not a hope. Three to five percent on clean new-build work with good drawings. Ten or more on refurbishment. Twenty on anything behind an old wall. A competitor whose bid carries no contingency is not more efficient; he is bidding to win rather than bidding to build, and one of those bids will eventually be the one that ends the company.
Walking away is a financial skill
There is a final habit, and it is the hardest to teach because it feels like losing. The firms that survive lose bids. They price honestly, they are undercut by someone who priced by feel, and they let the job go. Six months later the low bidder is fighting with the client about extras and the honest firm is pricing the next tender with a full order book behind it.
A construction company that cannot say no to a badly priced job will eventually say yes to the one that ruins it. The discipline to decline is worth more than any crew, any client, or any piece of equipment, and it starts with a number that was measured rather than guessed.
What this means if you fund or advise builders
If you sit on the finance side of construction, the question that tells you most about a contractor is not turnover and it is not the size of the last job. It is how the price was built. Ask to see a takeoff. Ask what production rates the labour was priced at and where they came from. Ask what contingency is carried and why. A firm that can answer those three questions in detail is measuring its risk. A firm that answers with a square-metre rate is guessing, and the guess is usually optimistic.
The margin in this trade is not in the building. It is in the measuring.