Most estimating services were built for someone with an office and a QS down the corridor. An estimating service for builders has to work differently, because you're pricing between jobs, not instead of them. The drawings arrive on your phone while you're on site. The bid date is set by someone else. And the evenings are already spoken for.
So here's how a builders estimating service works in practice, from the moment you send the drawings to the moment you submit your price.
It starts with whatever you've actually got
Full drawing set, a scanned sketch, a schedule from the client, planning drawings with a couple of notes on them. You send what you have as PDFs and the takeoff starts from that, rather than waiting on a perfect information pack that never turns up.
That doesn't mean gaps get ignored. It means they get dealt with openly. If the drawings don't show something that has to be priced, the estimate says what was assumed. If a detail is missing that would change the number a lot, you hear about it early, while there's still time to ask the architect or the client.
The better the information, the tighter the price. But a patchy set of drawings is still enough to start.
What helps, if you've got it
You don't need a perfect pack, but a few things make a real difference to how close the estimate gets. The specification, even a short one, because it settles what's actually being built. Any structural engineer's drawings, because foundations and steel are where guessed numbers go furthest wrong. The tender letter or the client's email, so the scope is clear. And a few photos from your site visit, especially of access, neighbours and anything that won't show on a plan. If you haven't got these, say so. It's better to know what's missing than to find out later.
How a builders estimating service works, from drawings to price
The process is simple on purpose. There's nothing for you to learn and no software to install:
- Send the drawings. Email the PDFs and anything else you've got: specification, schedules, the tender letter, photos from the site visit.
- Tell us your bid date. That's the date the estimate is priced to, and it's agreed before work starts.
- Agree the fee. The fee is fixed and agreed up front, so you know the cost before you commit to anything.
- Measurement and pricing happen. Every element is measured off the drawings to NRM2 and priced on current rates local to the job.
- The estimate comes back. It's delivered through the client portal, itemised, with assumptions and exclusions listed.
- You make the call. You check it, adjust anything you know better, add your margin and submit.
It runs on your bid date, not a standard queue
Tell us when you need it back and that's the date it's priced to. The whole point of the service is that it fits your tender deadline, not the other way round.
If the deadline is tight, say so on day one. It's far better to have an honest conversation about what can be done properly in the time than to get a rushed estimate that looks finished but isn't. And if you can build in a day to read the estimate before you submit, do. That review is where your own knowledge of the job earns its keep.
Busy weeks are the real test. When three enquiries land at once, you don't have to choose which one to price and which to let go. Send all three, tell us each bid date, and spend your own time on the one you most want to win. The measuring on the others carries on without you.
A good estimating service fits around your bid date and your drawings. If it needs you to change how you work to use it, it wasn't built for builders.
It hands back a number, not homework
What comes back is a priced, itemised estimate you can bid from directly. Not a document that needs another evening of your own work to turn into something usable.
Each line shows the quantity, the unit and the rate, laid out in NRM2 order. So if your groundworker has given you a price for the drainage, you can drop it straight in against the measured runs. If you know your bricklayer's rate is different, you change that line and the total moves with it. You're working with the estimate, not rebuilding it.
It also means you've got something to show the client if they ask how the price is made up, which happens more often than it used to. And when the architect issues a revision a week before the deadline, you can see which lines it touches instead of starting again from a blank page.
What it costs, and what it saves
The fee depends on the job: its size, how complete the drawings are and what you need back. That's why it's quoted per job rather than off a price list. There's more on this in how much a construction estimating service costs.
What it saves is harder to put on paper, but most builders know it when they see it. The evenings. The tenders you'd otherwise have turned down. The quantity you'd have missed at eleven at night and found on site three months later.
A simple way to decide if it fits
Look at the last tender you priced yourself. If you'd had a measured, itemised estimate in your inbox a day before the deadline, would your final price have been better, or just the same number with less sleep lost? If the honest answer is either, that's how a builders estimating service works for you: it takes the measuring and leaves you the decisions.