What no-shows actually cost a salon — and the deposit maths that stops them

The arithmetic, before anyone's statistics

You don't need an industry benchmark to know what no-shows cost you. You need three numbers you already have: how many appointments you take in a typical week, how many of them didn't turn up, and your average service price. An empty slot costs the price of what was booked into it, because the time got spent either way.

Two corrections before you quote your number at anyone. First, if a no-show rebooks a few days later, their money wasn't lost, just late: count them out. Second, if a walk-in filled the slot, the loss for that one was zero. The real figure sits a little below the raw multiplication, which is exactly why the calculator has a "how many rebook anyway?" input instead of pretending every miss is a write-off.

What the multiplication leaves out cuts the other way: the product you mixed for a colour client who never came, and the gap a no-show tears in a tightly packed day. Call it a wash and trust the simple number.

What the published figures actually say

The blogs quote salon no-show rates anywhere from 10% to 30%. Almost none of them say where the number came from, and the ones that do trace back to booking-software companies selling a fix. The sourced picture, flags included:

• Fresha's December 2025 UK survey (200+ beauty and wellness businesses): an average of about 7% of monthly revenue lost to cancellations and no-shows combined, with 62% of cancelling clients giving under 24 hours' notice. A platform's survey of its own market, but the methodology is stated.
• Zenoti's 2026 benchmark (North American platform data): marked no-show rates of just 1–4% by segment — 2% for salons, 4% for barbershops and nail studios. Telemetry, not a survey; it counts only appointments explicitly marked as no-shows, on businesses already running booking software, and excludes late cancellations. That's a floor, not the whole picture.
• The 10–30% figures circulating in vendor blogs come without published methodology. Treat them as marketing, not measurement.

The spread between 1% and 30% isn't a mystery — it's different definitions. Whether late cancellations count, whether the slot was refilled, whether anyone marked the no-show at all. Which is one more reason your own week's counts beat any benchmark: you know exactly what you're counting.

The deposit maths

A deposit doesn't need to cover the whole service to work. Its job is to change the client's arithmetic: a free booking costs nothing to forget, a £15 deposit costs £15. And on your side, when someone does miss, the deposit turns a £50 hole into a £35 one.

Say those two weekly no-shows drop to one after you start taking a £15 deposit at booking — the missed one now forfeits their deposit. The yearly loss goes from £5,200 to £1,820: £2,600 for the remaining misses, minus £780 of kept deposits. That's an illustration of the mechanism, not a promise. Every "deposits cut no-shows by X%" figure in circulation is vendor-published, and we won't pretend to know your X. The direction, though, is what every platform's own telemetry points to — Booksy, for one, measured 20% fewer cancellations among providers a month after switching its no-show protection on.

The deposit only exists if clients accept it, and clients accept what was stated plainly up front. That's a written cancellation policy — here's how to write one clients accept, with a template. Then the collection mechanics depend on your booking system; the platform comparison shows what each supports and where each makes it hard.

Run your own number

Three inputs, one minute, nothing leaves your browser: see what no-shows cost your salon. While you're there, the same page writes your cancellation policy from your numbers and shows what collecting the deposit over WhatsApp looks like.