12.07% holiday accrual
The standard method for calculating statutory holiday entitlement for irregular-hours and part-year workers, based on hours actually worked.
12.07% is the fraction you get from dividing the statutory minimum holiday entitlement (5.6 weeks) by the remaining working weeks in a year (46.4 weeks: 52 minus 5.6). For every hour someone works, they accrue 12.07% of an hour in paid holiday.
This method exists because a simple '28 days a year' entitlement doesn't work fairly for someone who only works some weeks, or a variable number of hours each week — a casual bar worker doing 10 hours one week and 30 the next can't sensibly be given a fixed number of holiday days. Calculating from hours actually worked keeps entitlement proportionate.
Following changes to the Working Time Regulations that took effect for holiday years starting on or after 1 April 2024, 12.07% accrual (and 'rolled-up holiday pay', where holiday pay is paid as an addition to each payslip rather than banked and paid out during time off) is now the recognised lawful method specifically for irregular-hours and part-year workers. It should not be applied to workers with fixed, regular hours, who accrue holiday differently.
Key facts
- 12.07% = 5.6 weeks ÷ 46.4 remaining working weeks in a year
- Applies to irregular-hours and part-year workers — not to staff on fixed regular hours
- Confirmed as a lawful accrual method (alongside rolled-up holiday pay) for holiday years starting on or after 1 April 2024
- Statutory minimum is 5.6 weeks, capped at 28 days for someone working a standard 5-day week — bank holidays count towards this, they are not additional in UK law
Checked 2026-08. Rates and thresholds change — always confirm current figures on GOV.UK before relying on them.
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