How Many Food Hygiene Certificate Holders Does a Kitchen Crew of 6 Need?
One certified person on every kitchen shift, two shifts a day, needs three holders on each crew of 6, and leaves about 1.5 shifts a year short.
Three on each crew. A kitchen that runs two shifts a day, every day, has 730 shifts a year that each need at least one person holding the certificate, and each crew covers its own. Two holders per crew leave about 11.7 shifts a year without one; three leave about 1.5; four leave 0.2. With six people on a crew, three holders is half the crew, which is the price of a rule that applies to every single service.
Each extra holder, and what it buys
The rule says 1 food hygiene certificate holder present on every shift. Each holder is absent on about 12.6 percent of rostered shifts. This is how many shifts a year fall short at each holder count, per crew, added across all 2 crews.
Holding exactly 1 is a coin flipped every shift. The first spare holder removes most of the exposure; the second removes most of what is left. On these assumptions, 4 holders per crew bring the expected shortfall to one shift a year or fewer, and 5 to one a decade.
How many are actually present
With 3 holders on each crew, the average shift has 2.62 present. Averages do not break rosters; the shifts with fewer than 1 do. Across 2 shifts a day, every day (730 shifts a year), this is how the year is expected to distribute.
What is hard about this one
Kitchens run more shifts than almost any other operation on this site, 730 a year on a two-service day, and every one of them is a separate chance to be short. That is why two holders per crew, which would be a defensible position on a weekday office, is short on about 11.7 shifts a year here: the rate is the same 1.6 percent as anywhere else, but it is applied to nearly three times as many shifts. A kitchen that wants the same exposure an office gets from two holders needs three.
Kitchen crews are also the crews where the requirement is most likely to be met by the person in charge and nobody else, because the head chef or supervisor holds the certificate as a matter of course and the rest of the brigade is assumed to be covered by them. One holder per crew is the coin flip: short on about 92.3 shifts a year, one in eight services, and on every one of them the kitchen is technically operating without the person the rule requires. The second and third holders are usually a commis and a kitchen porter who did the course online in an afternoon, and they move the kitchen from 92.3 short shifts to 11.7 and then to 1.5.
The certificate is cheap and the crews are small, which makes drift the real risk rather than cost. A kitchen crew of six turns over, and each leaver who held the certificate takes the crew down a rung without anyone deciding to reduce cover: three becomes two on the day the commis hands in notice, and the 1.5-shift rate becomes the 11.7-shift rate until someone new is trained. Put the certificate count on the same sheet as the rota and it will be noticed; leave it on the training record and it will not.
Move the requirement, move the answer
The holder count is usually the thing being argued about. The requirement itself is the other lever, and it is worth knowing what the same 3 holders per crew buy if the rule were one looser or one stricter.
| Required present | Covered | Short shifts a year |
|---|---|---|
| 1this page | 99.8% | 1.5 |
| 2 | 95.6% | 32.1 |
What this assumes, and where it is generous
These figures treat each holder as independently likely to be absent, which is the assumption most favourable to the roster. Holders are rarely independent: the two people who did the course together take the same school holidays, a certificate that lapses removes someone for the weeks it takes to rebook, and the person who is always asked to cover is the one most likely to be off sick. Treat every number here as the best case.
Only a valid certificate counts. A holder whose certificate has lapsed is a zero in this arithmetic for as long as the renewal takes, so the practical holder count is often one lower than the roster believes, and the row above the one you planned for is the one you are actually living on.
The absence share is 25 days of paid annual leave and 8 days of average sickness per person across 261 working days, which is 12.6 percent of rostered shifts. Both inputs vary by country; the relief factor library carries sourced figures for 17 of them. Swap your own in and the shape of the ladder holds even as the counts move. Because the operation runs fixed crews, the arithmetic is done per crew and added up: a holder on another crew is not on this shift.
What to do with this
Certify three people on each kitchen crew for one holder per service, not two. Two is short on about 11.7 of 730 shifts a year; three on 1.5.
Do not let the supervisor be the only holder on a crew. One holder is short on about 92.3 shifts a year, roughly one service in eight.
Re-count holders per crew whenever someone leaves, because a kitchen crew of six loses a rung every time a certified person hands in notice.
The holder count on this page only works if it is the count of people whose certificate is valid today. Keeping that record current, who holds what, at which level, and until when, is what the Skills tab in Soon is for.
Common questions
- How many food hygiene certificate holders does a kitchen crew of 6 need?
- Three per crew, if at least one must be present on every service and the kitchen runs two services a day, every day. Two holders per crew leave about 11.7 shifts a year without one; three leave about 1.5; four leave 0.2. With 730 services a year, the kitchen needs one more holder than a weekday office would for the same exposure.
- Is it enough for the head chef to hold the certificate?
- No. One holder on a crew is absent on about 12.6 percent of rostered shifts, which is roughly 92.3 of 730 services a year operating without the person the rule requires. Two more holders on each crew, which on a crew of six is usually a commis and a kitchen porter, take that to 1.5 shifts.
- Why do kitchens lose cover without noticing?
- Because crews are small and turnover is high. Each certified leaver drops the crew a rung, from three holders to two and from 1.5 short shifts a year to 11.7, and nothing on the rota changes to show it. Keeping the holder count on the rota itself is what makes the drift visible.
Other qualifications
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