ProntoCalc

ProntoCalc An innovative online estimating tool for builders, surveyors & owners. Register today for your 30 da

ProntoCalc is a web-based Estimating Software designed for builders and surveyors, as well as homeowners. Architects, Surveryors & Builders:
Our services can improve your client offering and provide you with a substantial advantage over your competitors. Stop spending excess time during unsociable hours pricing up projects and let ProntoCalc do the work for you.
• Cost-effective and easily afforda

ble.
• Interactive online service
• Profession PDF quote with your logo on which can instantly be sent to clients
• Site designed and created by a Builder with 30 years experience. Owners & Self-Builders:
Before you go ahead with your project, make sure you check the most important aspect – affordability!
• Easily compare builder quotes to make an informed choice of who to select.
• Creates a breakdown of costs can be an aid in raising finance
• Totally independent service

Email us with any questions - [email protected]

Working through an architect or project manager feels like a great opportunity.Until your quote comes back with a 15% re...
28/05/2026

Working through an architect or project manager feels like a great opportunity.

Until your quote comes back with a 15% reduction request and no explanation.

Here's what most builders don't fully understand about managed projects: by the time your quote reaches the person controlling the budget, it has often passed through two or three pairs of hands. Each one has their own margin to protect, their own idea of what things should cost, and their own relationship with the client that doesn't involve you.

Your quote isn't just competing against other builders. It's competing against a budget that was probably set before anyone actually knew what the job would cost and a professional whose job it is to bring it in under that number.

So how do you survive this process without giving away margin you can't afford to lose?

Three things make the difference:

→ A quote that's detailed enough to defend line by line. Vague quotes get squeezed. Itemised quotes get respected.

→ Clarity on what's included and what isn't. Scope creep on a managed project is expensive and hard to recover. Define the edges clearly from the start.

→ Knowing your floor before the negotiation starts. If you don't know the minimum margin you need to make the job worth doing, you'll find out too late.

The builders who work successfully with architects and project managers aren't the ones who discount the most. They're the ones who turn up with numbers that hold up under scrutiny.

ProntoCalc gives you the detail and the clarity to do exactly that.

Your prices haven't changed in three years.Not because the market hasn't moved. It has, significantly.Materials are up. ...
26/05/2026

Your prices haven't changed in three years.

Not because the market hasn't moved. It has, significantly.

Materials are up. Labour is up. Your van costs more to run. Your insurance renewal came in higher. Everything you spend money on to do the job has gone up.

But the day rate is the same. The square metre rate is the same. The figures in the spreadsheet are the same.

Because putting them up feels uncomfortable.

There's a conversation you'd have to have. A client who's been with you for years who might push back. A quote that might come in higher than the job next door. The risk that you lose work you've relied on.

So the prices stay where they are. And every job you do, the margin gets a little thinner.

Here's the thing: most clients don't know what you charge elsewhere. They don't know what your costs are. They know what they paid last time and if that was fair last time, a reasonable increase, explained professionally, is almost always accepted.

The builders who put their prices up don't lose the clients they think they will.

They lose the ones who were only ever staying because they were getting a deal.

ProntoCalc gives you a clear picture of what every job actually costs today. so you can see exactly where your current pricing is leaving money on the table, and exactly what you need to charge to make the margin worth having.

The market moved. Your prices should have moved with it.

The job is done. The client is happy. You send the invoice.Then the reply comes back."This is higher than I expected."An...
22/05/2026

The job is done. The client is happy. You send the invoice.

Then the reply comes back.

"This is higher than I expected."

And just like that, a completed job becomes a negotiation you weren't prepared for.

It happens to almost every builder at some point. And in most cases, it's not because the client is being dishonest. It's because there's a genuine gap between what they remember agreeing to and what the invoice says.

They remember the original quote. They don't remember or didn't fully register every change, every variation, every extra that was agreed along the way.

If those changes were never documented, you have no way to prove them. And without proof, the dispute drags on, the relationship suffers, and you often end up absorbing costs you were completely entitled to charge.

The protection isn't complicated. It's documentation.

Every change agreed on site — logged at the time.

Every variation discussed on the phone — followed up in writing.

Every additional cost — recorded before the invoice, not reconstructed after.

When the final invoice goes out supported by a clear paper trail, there's nothing to dispute. The client can see exactly what changed, when it was agreed, and why the number is what it is.

ProntoCalc logs every variation and additional cost as it happens, so your invoice is always backed up, always explainable, and always defensible.

Protect yourself before it gets to that point. Not after.

Somewhere in your sent emails right now, there's a quote that never got a reply.You spent an hour on it. You priced it c...
20/05/2026

Somewhere in your sent emails right now, there's a quote that never got a reply.

You spent an hour on it. You priced it carefully. You sent it across and thought it looked good.

And then the next job came in, and the one after that, and following it up kept getting pushed down the list until it quietly fell off entirely.

That's one quote. Most builders have ten. Twenty. Some have more.

Here's the thing about unanswered quotes: most of them aren't lost. The client hasn't gone elsewhere. They haven't decided against the job. They're just busy. They meant to reply. Life got in the way.

Studies consistently show that the majority of sales go to whoever follows up first and most persistently. Not the cheapest. Not the most experienced. The one who came back.

A single follow-up email or call, sent three to five days after the quote, converts a significant number of jobs that would otherwise have gone cold. Two follow-ups converts more.

Most builders send one. Many send none.

So how much revenue is sitting in quotes you've sent and never chased?

If you've quoted an average of £5,000 per job and have 10 unanswered quotes sitting there, that's £50,000 of potential revenue that hasn't been actively pursued.

ProntoCalc tracks every quote you send so nothing falls through the cracks and you always know exactly what's been followed up, and what needs your attention today.

The easiest revenue you'll ever win is already sitting in your sent folder.

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The business was doing well.Work coming in. Jobs being completed. Invoices getting paid. Everything looked fine.Then Jan...
18/05/2026

The business was doing well.

Work coming in. Jobs being completed. Invoices getting paid. Everything looked fine.

Then January arrived.

The self-assessment bill. The VAT return. Both landing within weeks of each other, both bigger than expected, and both needing to be paid right now.

The money wasn't there.

Not because the business hadn't been profitable. It had. Not because the builder had been reckless. They hadn't. But because every pound that came in had gone straight back out, on materials, on wages, on the next job and nobody had quietly been putting a slice aside for HMRC.

This is one of the most common ways a profitable building business ends up in serious trouble.

Not a bad job. Not a slow period. Not a client who didn't pay.

Just tax that was always coming and was never planned for.

The fix isn't complicated. It's knowing, on every single job, what the real margin is after tax is accounted for and treating HMRC as an overhead that gets set aside before anything else.

Easier said than done when you're pricing off instinct and a spreadsheet that doesn't account for your tax liability.

ProntoCalc builds the real cost of every job into the estimate, so what you see as margin is actually margin, not money that belongs to HMRC.

The tax bill that comes out of nowhere doesn't come out of nowhere. It was always in the numbers. You just couldn't see it.

Nobody tells you what hiring your first employee actually costs.You think about the wage. That part's obvious. You agree...
13/05/2026

Nobody tells you what hiring your first employee actually costs.

You think about the wage. That part's obvious. You agree a salary, you know what's leaving your account every month, and it feels manageable.

Then the rest of it arrives.

Employer's National Insurance. Pension contributions. Holiday pay, including bank holidays you'd never thought to cost before. Sick pay. The tools or vehicle you need to provide. The insurance that has to change. The time you spend managing someone instead of doing the work yourself.

Add it all up and the real cost of a £30,000 employee is closer to £36,000 or £38,000 before they've put a single tool to a wall.

And that's before the slower jobs. The learning curve. The callbacks while they're getting up to speed.

Most builders make this decision based on the wage alone. They take on more work to cover it, quote the same way they always have, and quietly wonder why the business doesn't feel more profitable now it's busier.

The problem isn't the hire. Hiring is often exactly the right move. The problem is making that decision without a clear picture of what it actually costs and without knowing whether the work in the diary genuinely supports it.

Growth is only growth if the numbers work.

ProntoCalc gives builders the financial clarity to make decisions like this properly, knowing what every job needs to return before they commit to the overheads behind it.

Have you made the jump from sole trader to employer? What did it actually cost that you weren't expecting?

The job was agreed on a handshake.Scope discussed over the phone. Price agreed in the driveway. Everyone happy.Three mon...
11/05/2026

The job was agreed on a handshake.

Scope discussed over the phone. Price agreed in the driveway. Everyone happy.

Three months later, the client doesn't remember it the same way you do.

They thought the kitchen was included. You're certain it wasn't. They thought the price covered the extra plastering. You know it didn't. They thought the schedule meant finished by October. You never said October.

And because none of it was written down, you're now having a very uncomfortable conversation with no evidence, no documentation, and no protection.

This isn't a rare situation. It happens constantly in the trades.

Not always with a difficult client. Sometimes with a perfectly reasonable person who genuinely remembers it differently. Memory is unreliable. Verbal agreements leave room for interpretation. And when money is involved, people's recollections have a way of shifting in their favour.

The handshake feels like trust. And it is, right up until it isn't.

The fix isn't complicated. It's a written quote that clearly sets out the scope, the price, and what's not included. Sent before the job starts. Accepted before a single tool is picked up.

ProntoCalc makes this the default. Every quote is clear, itemised, and documented, so if there's ever a question about what was agreed, the answer is already in writing.

A handshake is a great start to a job.

It's a terrible finish to a dispute.

Your spreadsheet doesn't know timber costs 30% more than when you built it.It doesn't know what happened to material pri...
07/05/2026

Your spreadsheet doesn't know timber costs 30% more than when you built it.

It doesn't know what happened to material prices in 2022. Or last quarter. Or last month.

It just uses the numbers you typed in years ago and quietly undercuts every quote you send out.

A lot of builders I speak to do use something to price jobs. It's just an Excel template they built years back, never really updated, and have been trusting ever since.

And on the surface, it looks fine. The formulas work. The layout makes sense. It feels professional.

But a spreadsheet is a snapshot. It captures how the world looked the day you built it.

Materials move. Labour rates change. Your overheads aren't what they were.

Every quote you send from a static template is either leaving money on the table or pricing you out of jobs you should be winning.

ProntoCalc is built for how building actually works in 2026.

Live pricing. Fast quotes. No spreadsheet archaeology.

When did you last actually update yours?

👇 Drop a comment genuinely curious how many are still running on an old template.

The best decision I ever made as a builder was saying no.Not to a bad client. Not to a nightmare job on the other side o...
07/05/2026

The best decision I ever made as a builder was saying no.

Not to a bad client. Not to a nightmare job on the other side of the country.

To a job that looked completely fine on the surface.

Right location. Nice people. Reasonable size. The kind of job you'd normally say yes to without a second thought.

But when I actually sat down and worked out the numbers, properly, not just a gut feeling, the margin wasn't there. The material costs had moved. The programme was tighter than it looked. By the time I'd factored everything in, I was essentially working for nothing.

So I walked away.

And that month, because I wasn't tied up on a job that was quietly bleeding me dry, I had the capacity to take on work that actually paid.

Here's the thing nobody tells you early on:

The wrong job at the wrong price isn't just unprofitable. It fills your diary, drains your energy, and stops you from taking the work that would have actually moved your business forward.

Saying yes to everything feels like growth. It isn't.

ProntoCalc gives builders the numbers to know, before they commit, whether a job is worth having. Not a rough estimate. Not a gut feeling. Actual clarity.

Some jobs are worth fighting for. Some aren't. Knowing the difference is everything.

Have you ever turned down work and been glad you did?

The invoice you sent was probably smaller than the job you actually did.Not because you underquoted.Because by the time ...
29/04/2026

The invoice you sent was probably smaller than the job you actually did.

Not because you underquoted.

Because by the time you got around to invoicing, you couldn't remember half of it.

The extra delivery you signed for on a Tuesday.

The two hours you stayed late to hit the plastering deadline.

The last-minute material swap the client asked for on the phone.

The return visit nobody mentioned would need a separate trip.

None of it made it onto the invoice.

This isn't a cashflow problem. It's not a pricing problem. It's a memory problem and builders lose real money to it on almost every single job.

By the time the job is done and you're sitting down to invoice, the details have gone. The next job has already started. You write down what you can remember, knock it out, and move on.

The difference between what you did and what you charged for quietly disappears.

Memory is not a billing system.

ProntoCalc logs extras, variations and additional costs as they happen so when it's time to invoice, nothing gets left behind. Your invoice reflects the actual job, not just the parts you happened to remember.

If you've ever finished a job and had that nagging feeling the invoice should have been bigger it probably should have been.

How much do you think you've left on the table this year? Drop a number below I'd be genuinely curious.

The client who keeps changing their mind."Can you just move that wall?"Sure.Three months later...→ The wall moved — twic...
27/04/2026

The client who keeps changing their mind.

"Can you just move that wall?"

Sure.

Three months later...

→ The wall moved — twice.

→ The kitchen got pushed back.

→ The flooring changed.

→ "While you're at it, can you just..."

None of it was on the original quote. None of it got logged at the time. And when the final invoice landed, it looked like you were overcharging, even though you'd done three jobs, not one.

This isn't about difficult clients.

It's about undocumented changes. Every variation that gets agreed verbally, on site, over text, during a five-minute call, is money that quietly disappears if you don't record it.

Not confrontational. Not chasing. Just... unrecorded.

ProntoCalc logs variations as they happen. So when the job's done, your invoice reflects the actual job done, not just the one you quoted for three months ago.

The best builders don't argue about changes after the fact. They document them in the moment.

How do you handle client variations on site? Do you log them as you go, or try to piece it together at the end?

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Estate House, Evesham Street
Daventry
B974HP

Telephone

+447802363279

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