Term-time only holiday calculator
Teaching assistants, catering staff, technicians and other term-time only (TTO) staff are “part-year workers”. Since April 2024 their statutory holiday accrues at 12.07% of hours actually worked — the rule that replaced the post-Harpur v Brazel full-year method.
Part-year worker accrual
2026/27weeks worked × hours per week × 12.07%
A 39-week, 25-hour TTO contract accrues 39 × 25 × 12.07% ≈ 117.7 hours of paid holiday a year.
How TTO holiday is usually handled
In practice TTO staff rarely book leave — schools need them in term. Instead the accrued holiday is paid within the annualised salary: your employer calculates pay for weeks worked plus the 12.07% holiday, then spreads the total over 12 equal monthly payments. The pay-spreading doesn't change the entitlement; it changes when you receive it.
Local-government support staff may have better contractual terms under the Green Book (many councils fund 4.4–5.6 weeks plus bank holiday equivalents in the annualisation). This calculator shows the statutory floor that any arrangement must meet.
Common questions
Was I underpaid under the old 'weeks ÷ 46.4' or Harpur v Brazel method?
Do INSET days count as worked hours?
I work 44 weeks (term + holiday clubs). Same method?
Sources for the figures on this page
Last checked 3 July 2026- GOV.UK — Holiday entitlement
- GOV.UK — Holiday entitlement reforms for irregular hours & part-year workers
How we keep these current: methodology & update policy.