Budgets & cost control
What this covers
Section titled “What this covers”A renovation is agreed at a number and then spent down over months across dozens of separate trades. Keeping that predictable isn’t a matter of watching one total. It means knowing, trade by trade, what was planned, what has been spent, what is already promised, and where each part is going to land.
This area is that record. It runs behind the project from the day the work is won through to final billing.
The budget
Section titled “The budget”The budget is set by cost code — the same classification the quote used — so framing, plumbing, tile, and cabinetry each carry their own planned amount instead of disappearing into a single figure. It is seeded from the quote, so the plan for the work starts from the price agreed for it.
Budgets are revised in two ways, and the distinction is deliberate.
Internal revisions move money between cost codes and must net to zero. If tile runs over and framing runs under, the plan reflects that without the job’s total moving. A reallocation can re-cut the budget; it cannot grow it.
Owner revisions change the total, and they exist only against an approved change order. A budget doesn’t grow because someone decided it should — it grows because scope was priced, agreed, and signed, and the contract value moved with it.
Tracking cost as the job runs
Section titled “Tracking cost as the job runs”Against every cost code, a project carries four numbers.
| Figure | What it is |
|---|---|
| Budget | What the work was planned to cost |
| Actual | What has been invoiced against it so far |
| Committed | What is already promised through issued purchase orders, but not yet invoiced |
| Forecast | What the code is now expected to finish at |
Committed is the one that separates a careful job from a surprising one. Material ordered but not yet billed is spent in every practical sense, and counting it the day the order goes out is what makes a problem visible while there is still time to act on it.
Each figure drills back to the invoices behind it, so any number on a summary can be traced to the documents that produced it.
The forecast
Section titled “The forecast”Forecast is a judgment, not arithmetic: what the team now expects a cost code to finish at, given what has been bought and what is left to do. It is not the same as the budget, and the difference between the two is the whole point — it is where a problem shows up first, usually well before it reaches an invoice.
Forecasts are saved as dated snapshots with a PDF kept for each. So the question isn’t only where a job will land, but whether that answer has been moving and in which direction. A forecast that has drifted steadily over three months is a different conversation from one that moved last week, and the record tells the two apart.
Related
Section titled “Related”- How a project works — how the quote, contract, and budget relate
- Contracts and change orders — what an approved change adjusts
- Purchasing and vendors — where committed cost comes from
- Billing and accounting — the invoices behind actual cost