Zero hours holiday pay explained: the 12.07% accrual rule, the 52-week average, and how to check your employer is paying you the right amount in 2026.
If you work a zero-hours contract, the question of holiday pay can feel deliberately fuzzy. You do not work the same hours each week, your pay moves around, and nobody hands you a neat annual leave allowance like a salaried colleague gets. So a fair question lands often: do you even get holiday pay, and if you do, how much should it be?
The short answer is yes, you absolutely do. Zero hours holiday pay is a legal right, not a perk your employer chooses to give you. What changes is the maths, and that is where most people get short-changed without realising it. Here is how it actually works in 2026, with the real rules and a worked example.
You are entitled to 5.6 weeks of paid holiday a year, the same as everyone else, but because your hours vary, your entitlement builds up at 12.07% of the hours you work and is paid at your average weekly rate.
That single sentence hides two separate calculations: how much leave you build up, and how much each week of it pays. They get muddled together constantly, so I will take them one at a time.
Every worker in the UK is entitled to a statutory minimum of 5.6 weeks of paid annual leave. For someone on fixed hours, that is easy to picture: a five-day-a-week job gives 28 days a year (5 multiplied by 5.6), and that 28 days is the legal cap on the statutory minimum.
On a zero-hours contract you cannot count it in days, because your week is not a fixed shape. So the law uses a percentage instead. For leave years beginning on or after 1 April 2024, holiday for irregular hours workers builds up at 12.07% of the hours you actually work in each pay period.
Where does 12.07% come from? It is 5.6 weeks of holiday divided by the 46.4 weeks of the year you are actually available to work (52 weeks minus the 5.6 weeks of leave). That fraction works out at 12.07%, and it is the figure your payroll team should be using.
A worked example. Say you work 30 hours in a week. Your holiday entitlement for that week builds up like this:
Do that across a year of varied weeks and the hours add up into a pot of paid leave you can take. Acas counts an irregular hours worker as someone whose hours under their contract are wholly or mostly variable, which is exactly what a zero-hours, casual, or bank contract looks like.
Building up the hours is half the story. The other half is what each hour or week of leave is worth, and this is the part the working title of this post is really about.
Because your pay is not the same every week, the law cannot just look at “last week” to decide your holiday rate, that would be unfair if last week happened to be quiet. Instead it uses an average. Your holiday pay is based on your average weekly pay over the previous 52 weeks.
There are two rules inside that 52-week reference period that protect you:
Here is a worked example for a zero-hours care worker paid weekly.
Notice what the average captures: it should include the overtime, the shift premiums, and the regular extra payments you normally earn, not just a bare hourly rate. Holiday pay is meant to reflect your “normal” pay, so a worker who routinely earns night or weekend premiums should see those reflected in the 52-week average. If your holiday weeks pay noticeably less than your working weeks, that is the first sign something is off.
The 52-week reference period is the method for working out average pay for workers without fixed hours or fixed pay. That covers most zero-hours staff.
There is one important fork in the road, though, introduced by the 2024 reforms. For irregular hours and part-year workers, employers now have a choice of two systems:
If your employer uses rolled-up pay, you will not see a 52-week average at all, you will see a 12.07% top-up each time you are paid. If they do not, the 52-week rule is how your holiday weeks should be valued. Both are legal. What is not legal is getting neither.
A few minutes with your payslips will tell you most of what you need to know.
First, find out which system your employer uses. Look for a separate “holiday pay” line on every payslip. If it is there as roughly 12.07% of your pay each time, you are on rolled-up holiday pay. If it only appears when you book time off, you are on the accrue-and-take system.
Second, sanity-check the rate. On the accrual system, add up your pay over the last 52 weeks you were paid, divide by 52, and compare that figure to what a week of booked holiday actually paid you. They should match closely. If your holiday week paid the bare minimum wage while your working weeks routinely included premiums, query it.
Third, check the percentage. On rolled-up pay, the top-up should be at least 12.07% of your total pay in that pay period, not 12.07% of some lower “basic” figure. Acas is clear that it should be based on total pay.
Remember that holiday pay is normal pay for tax purposes. It goes through PAYE like any other earnings, so income tax and National Insurance come off it in the usual way. A common worry is that holiday pay is “taxed more”, it is not, it is just taxed the same as the wages it replaces.
If something looks wrong, raise it with your manager or payroll first, in writing. If that does not resolve it, Acas offers free advice, and unpaid holiday is the kind of claim an employment tribunal will hear.
The big shift happened for leave years starting on or after 1 April 2024, and it still governs how 2026 works. Three things to hold on to:
The 12.07% accrual method was put back on a firm legal footing for irregular hours and part-year workers. For a few years before that, a Supreme Court case (Harpur Trust v Brazel, 2022) meant some part-year workers were entitled to a full 5.6 weeks regardless of how little they worked, which pushed their effective rate above 12.07%. The 2024 reforms reversed that for irregular hours and part-year workers, so 12.07% is once again the standard accrual rate.
Rolled-up holiday pay became legal again for these workers, after being banned since a 2006 European court ruling. Your employer can now choose it, as long as they show it separately and pay at least 12.07%.
The statutory entitlement itself did not change. It is still 5.6 weeks, still capped at 28 days for the equivalent of a five-day week, and zero-hours workers are still fully covered. If anyone tells you that being on a zero-hours contract means no holiday pay, they are simply wrong.
If you want to see what your take-home actually looks like across your varying weeks, including how holiday pay, tax, and National Insurance land on your payslip, the NetPay app does the maths for you. Free to download.
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Yes. If you are a worker on a zero-hours contract you are legally entitled to paid holiday, the same 5.6 weeks a year that everyone else gets. The difference is how it is worked out. Because your hours vary, your entitlement builds up at 12.07% of the hours you actually work, and the pay rate is based on your average earnings over the previous 52 paid weeks.
Two parts. Your entitlement accrues at 12.07% of the hours you work in each pay period. The amount you get paid per week of leave is your average weekly pay over the last 52 weeks in which you earned something, ignoring any weeks you were not paid and counting back up to 104 weeks if needed to find 52 paid weeks.
12.07% is the proportion of working time that statutory holiday represents. The 5.6 weeks of legal holiday divided by the 46.4 working weeks left in the year equals 12.07%. For irregular hours and part-year workers, holiday now builds up at 12.07% of hours worked in each pay period.
No. Paid holiday is a legal right for workers, and zero-hours staff are workers. An employer can set rules about when you book leave, but they cannot remove the entitlement or refuse to pay it. If you think you are being underpaid, check your payslips against the 12.07% rule and the 52-week average, then raise it with your employer or Acas.
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NetPay UK works out your real net pay after tax, NI, pension and salary sacrifice, for hourly, shift and variable-income workers. Free to download.
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A note on financial advice: NetPay UK calculates take-home pay based on official HMRC tax rules. This article reflects rules in force at the time of publication (26 June 2026). Tax rules change. For complex situations, consult a qualified UK accountant or visit gov.uk/income-tax.
