20:15 — Table 4 isn't coming
The no-show is a number.
Most restaurants never work it out.
A party of four that doesn't turn up on a Friday takes the food you bought, the server you rostered, and the two walk-ins you turned away with it. This page is what we know about no-shows: what they cost, why they happen, and the five things that measurably reduce them.
What no-shows cost
Industry research has put the annual cost of no-shows to UK hospitality in the billions — a widely cited 2021 study by Zonal and CGA estimated £17.6bn a year, with roughly one in seven diners admitting to not turning up for a booking without cancelling. Whatever the national figure is this year, your version of it is simpler: covers lost × average spend × how often it happens.
The numbers, and where they come from
Most no-show statistics get quoted without a source, which makes them impossible to sanity-check. Here are the ones worth knowing, with who produced them and what to be careful about.
| Figure | Source | Read it with care because… |
|---|---|---|
| £17.6bn a year in lost sales to UK hospitality | Zonal & CGA, GO Technology, September 2021 | It is consumer self-report from a ~5,000-person survey, extrapolated to sales rather than profit, and published by a hospitality tech company. |
| 76% of venues affected · no-shows ≈ 8% of bookings · £3,621 average annual loss per venue | ResDiary, Beyond the Booking 2024 | Vendor-commissioned research drawn largely from ResDiary's own customers, and the sample size for the 2024 edition isn't published. |
| Around 60% of venues now ask for a deposit or card | Same ResDiary report (40% required no deposit in 2023) | Deposits and card-holds are not the same thing, and the report doesn't always separate them. |
| Telling people the specific cost of a missed booking cut no-shows from 11.1% to 8.4% (odds ratio 0.74) | Hallsworth et al., PLOS ONE, 2015 — two randomised trials, 10,111 NHS appointments | It is healthcare, not hospitality. But it is a genuine randomised trial, and the effect came specifically from naming a number — a vaguer "please cancel if you can't make it" performed measurably worse. |
Sources last checked 19 August 2026. If any of these have moved on, tell us and we'll update the page: hello@eightish.co.uk.
For a typical independent doing 250 covers a week at £38 a head, a 10% no-show rate is roughly £49,000 a year in walked revenue — most of it on the two nights you could least afford it. Run your own numbers here; the result isn't gated behind an email form.
Why guests no-show
Mostly not malice. Plans changed and cancelling felt awkward. The booking was made three weeks ago and genuinely forgotten. The confirmation email went to a tab nobody opens. Somebody booked three restaurants for the same Saturday "to decide later". Each of these has a different fix — which is why no single trick solves no-shows, and why the systems that work stack several.
The five things that actually work
1. Reminders where guests actually look
A WhatsApp reminder the day before, and again a few hours out, gets read in minutes — email gets filed. This is the single highest-impact change most restaurants can make, and it's why messaging sits at the centre of Eightish.
2. Make cancelling one word
Every reminder should make cancelling effortless — reply CANCEL, done. A cancellation at 5pm is a table you can refill. Guilt-tripping guests into silence just converts cancellations into no-shows.
3. Deposits — but only where they're earned
Blanket card-holds suppress bookings. Targeted ones don't: large parties, peak services, and guests with a no-show history. Smart deposits ask for a card only when the risk justifies the friction.
4. Backfill the table you got back
A cancellation only has value if the table refills. A waitlist that auto-offers freed tables, and an agent that quietly offers them to overdue regulars, turns cancellations from bad news into inventory.
5. Remember who no-shows
Around a fifth of guests cause most of the losses. A guest history that flags them at booking time lets you apply the deposit — or the friendly double-confirm — to exactly the right people.
Where Eightish comes in
Eightish stacks all five: WhatsApp reminders with one-word cancel, smart deposits, waitlist auto-fill, Autopilot backfill, and a Guest Graph that never forgets. Your reports then track your no-show rate honestly, so you can see it fall.
Work out your number first.
Two minutes, no email required. Then decide if it's worth £69 a month.