Before a job gets priced, someone has to work out how much of everything it actually needs. That's the takeoff. It's the least glamorous part of pricing and the part everything else depends on. Get it wrong and every rate you apply is applied to the wrong number.
So what you get from a quantity takeoff matters, and it's fair to expect more than a spreadsheet of totals. Here's what a proper one hands you, and what you can do with it once it's in your inbox.
A checked set of drawings, before anything is measured
The first thing you get isn't a quantity at all. It's certainty about what was measured. A proper takeoff starts with checking which revision is current, whether the specification matches what's drawn and where two sheets disagree.
That check comes back to you as a drawing register and a list of queries, so anyone picking up the job later can see exactly what the numbers were based on. Measuring confidently off the wrong version is worse than measuring the right one slowly, because nothing in the finished numbers tells you it's wrong. You'd only find out on site.
If the drawings raise questions, you hear about them early. That gives you time to put them to the architect or the client before the tender goes in.
This is also where gaps in the information get named. Maybe there's no drainage layout. Maybe the structural drawings haven't been issued yet. A takeoff can still go ahead, but it'll say clearly which parts are measured from the drawings and which are based on an assumption. You'd rather know that now than find it buried in a total.
Every element measured on its own terms
Next comes the measure itself. Every part of the job is measured to NRM2, element by element, in the unit it will be priced in. Nothing gets folded into a round figure because it was awkward to count, and nothing gets left off because it was small.
That second part matters more than it sounds. Small items are where margin disappears: lintels, closers, trays, fixings, making good. Each one is measured, so each one ends up in your price rather than coming out of your pocket later.
Units matter here as well. A wall measured as a length when it should be an area is useless to the person pricing it. So is a floor finish given as a number of rooms. Every quantity comes back in the unit it will actually be priced in, with a description clear enough to know what the item is without going back to the drawing each time.
A takeoff checked before it's handed over
A takeoff gets checked against the drawing schedules and cross-referenced between related trades before it's handed over. Openings against lintels. Wall areas against plaster and decoration. Roof areas against coverings, battens and gutters.
That way the item that would have been missed on the first pass gets caught before pricing, not after. And any assumption made along the way is written down, so you can see where the risk sits instead of discovering it on site.
The takeoff is the one part of your price every other number depends on. If it's wrong, it doesn't matter how good your rates are.
What you get from a quantity takeoff, and what to do with it
Once it arrives, a good takeoff earns its keep in more places than the tender:
- Price the job. Apply your rates line by line, or drop in your subcontractors' prices against the measured quantities. The total builds itself from numbers you can check.
- Send out packages. Give every subcontractor the same measured scope, so their quotes compare like for like instead of each one pricing their own idea of the job.
- Check subcontract quotes. When a quote comes back, compare its quantities with yours. Big differences mean someone has missed something or measured something extra.
- Order materials. Once you've won, the measured quantities are the starting point for your material orders, with your own waste allowance added.
- Handle variations. When the client changes something, you can show exactly what was in the original measure and price the difference.
If the job needs a formal bill, the same quantities form the base for it. There's more on how cost plans and bills of quantities work from the same numbers.
Why the quantity takeoff service comes before any rate
A quantity takeoff service is the step done properly before a single rate gets applied. Rates change. Suppliers change. Your view on margin changes depending on how much you want the job. The quantities don't, unless the drawings do. That's why they're worth getting right first and separately.
It also means a revised drawing doesn't send you back to square one. Only the lines it touches need re-measuring.
Keeping the quantities separate from the pricing also keeps you in control. You're not buying someone else's view of what the job is worth. You're buying an accurate measure of what's on the drawings, and then making your own commercial decisions on top of it.
And because the fee is fixed and agreed before any measuring starts, you know the cost of that certainty up front. Put simply, what you get from a quantity takeoff done this way is a measure you own and can reuse, from the tender right through to the final account.
One rule of thumb before you price
If you can't point at any line in a takeoff and say which drawing it came from, don't apply a rate to it yet. That single check tells you whether what you got from a quantity takeoff is something you can build a price on, or just a list of numbers that happens to look tidy.