UK Annual Leave Calculator
Calculate your statutory holiday entitlement for full-time, part-time, and irregular hours workers across all UK nations
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Bank Holidays 2025-2026
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Understanding Your UK Annual Leave Entitlement
Every worker in the United Kingdom has a fundamental right to paid time off from work. This statutory annual leave entitlement exists to protect employee wellbeing, prevent burnout, and ensure everyone has adequate time to rest and recharge. Whether you work full-time, part-time, on zero-hours contracts, or irregular patterns, understanding exactly how much holiday you are entitled to is essential for planning your year and ensuring you receive your full legal rights.
The UK annual leave system is governed by the Working Time Regulations 1998, which establish a minimum standard that all employers must meet. However, many employees remain uncertain about how their entitlement is calculated, particularly when dealing with part-time work, mid-year start dates, or the treatment of bank holidays. This comprehensive guide and calculator will help you determine your precise annual leave entitlement based on your specific working pattern and circumstances.
Statutory Annual Leave in the UK
Under UK employment law, almost every worker is legally entitled to a minimum of 5.6 weeks of paid annual leave each year. For a full-time employee working a standard five-day week, this translates to 28 days of paid holiday annually. This is the statutory minimum, and while employers can offer more generous packages, they cannot legally provide less than this amount.
The 5.6-week entitlement is capped at a maximum of 28 days. This means that even if you work six or seven days per week, your statutory minimum entitlement remains at 28 days. However, many employers choose to exceed the statutory minimum as part of their employee benefits package, offering additional contractual leave on top of the legal requirement.
It is important to understand that this entitlement applies to workers, not just employees in the traditional sense. The legal definition of a worker is broader and includes anyone who performs work personally under a contract, receives payment for their services, and does not operate their own business. This covers casual workers, agency staff, and many individuals on zero-hours contracts.
How Part-Time Annual Leave is Calculated
Part-time employees are entitled to exactly the same 5.6 weeks of holiday as full-time workers, but calculated on a pro-rata basis according to their working pattern. The calculation is straightforward: multiply the number of days you work per week by 5.6 to determine your total annual leave entitlement in days.
For example, an employee who works three days per week would be entitled to 16.8 days of annual leave (3 x 5.6 = 16.8). Someone working four days weekly receives 22.4 days (4 x 5.6 = 22.4). Many employers choose to round these figures up to the nearest half or full day for simplicity, though they can never legally round down below the statutory minimum.
This pro-rata approach ensures that part-time workers receive fair and proportionate holiday entitlement relative to their full-time colleagues. The law specifically protects part-time workers from being treated less favourably than their full-time counterparts in this regard.
Example: 4 days per week x 5.6 = 22.4 days annual leave
Annual Leave for Irregular Hours and Zero-Hours Workers
Workers with irregular hours or zero-hours contracts face a different calculation method for their annual leave entitlement. From April 2024, the government officially reinstated the accrual percentage method for these workers, providing clarity after years of uncertainty following court decisions.
Under this method, holiday entitlement is calculated as 12.07% of the hours actually worked. This percentage is derived from the statutory 5.6 weeks of holiday divided by the remaining 46.4 working weeks in a year (52 weeks minus 5.6 weeks equals 46.4, and 5.6 divided by 46.4 multiplied by 100 equals approximately 12.07%).
For every hour worked, an irregular hours worker accrues 0.1207 hours of paid holiday. If someone works 100 hours in a month, they will have accrued 12.07 hours of paid leave for that period. This system ensures that holiday entitlement directly reflects actual working contribution, providing a fair and proportionate approach for workers with variable schedules.
Example: 50 hours worked x 0.1207 = 6.04 hours of leave accrued
Calculating Leave in Hours
For workers with compressed hours, flexible schedules, or varying shift lengths, calculating annual leave in hours rather than days provides greater accuracy and fairness. This method is particularly useful when someone works a full-time equivalent of hours but spread across fewer days, such as a four-day compressed week.
To calculate holiday entitlement in hours, multiply your weekly working hours by 5.6. For a standard 40-hour week, this gives 224 hours of annual leave. For someone working 37.5 hours weekly, the entitlement would be 210 hours.
This approach eliminates confusion when dealing with varying shift patterns and ensures that everyone receives their fair share of time off, regardless of how their working week is structured. When booking leave, hours are simply deducted from the total rather than whole days.
Example: 37.5 hours/week x 5.6 = 210 hours annual leave
Bank Holidays and Annual Leave
One of the most common areas of confusion regarding UK annual leave is the treatment of bank holidays. Contrary to popular belief, there is no automatic legal right to paid time off on bank or public holidays. Employers have complete discretion over how they handle bank holidays within the annual leave framework.
The number of bank holidays varies across the UK: England and Wales observe 8 days, Scotland has 9 days (including 2nd January and St Andrew’s Day), and Northern Ireland celebrates 10 days (adding St Patrick’s Day and the Battle of the Boyne). However, none of these are automatically additional to your 28-day statutory entitlement.
Employers may choose to include bank holidays within your 28-day statutory entitlement, meaning some of your annual leave is effectively pre-allocated to these dates. Alternatively, they may offer bank holidays as additional leave on top of the statutory minimum, providing a total of 36 days or more in England and Wales. Your employment contract should clearly state which approach your employer takes.
England and Wales: 8 bank holidays | Scotland: 9 bank holidays | Northern Ireland: 10 bank holidays. Check your contract to see if these are included in or additional to your statutory 28 days.
Pro-Rata Entitlement for New Starters
Employees who join a company partway through the leave year do not receive the full annual entitlement for that initial period. Instead, their holiday is calculated on a pro-rata basis according to how much of the leave year remains from their start date.
The calculation involves determining the proportion of the leave year remaining and multiplying this by the full annual entitlement. If an employee starts on 1st July and the leave year runs from January to December, they would have 6 months remaining out of 12, entitling them to half of the full year’s allowance.
For a full-time employee with 28 days annual leave, starting mid-year would provide 14 days for that initial period. Part-time workers follow the same principle using their pro-rata entitlement as the starting point. Annual leave begins accruing from the very first day of employment, so even during probationary periods, workers build up their holiday entitlement.
(6 / 12) x 28 days = 14 days for the remaining leave year
Understanding Your Leave Year
Every employer operates with a defined leave year during which annual leave must typically be taken. This leave year may run from January to December, April to March (aligning with the tax year), or any other 12-month period chosen by the employer. Your employment contract or company handbook should specify when your leave year begins and ends.
Understanding your leave year is crucial for planning holidays and ensuring you use your full entitlement. Most statutory leave must be taken within the leave year it was earned, following the general principle of use it or lose it. However, there are important exceptions where carry-over is permitted.
If you are uncertain about your leave year dates, consult your HR department or check your employment documentation. Some employers allow a certain amount of unused leave to be carried forward to the following year, though this is not a legal requirement for the basic statutory entitlement.
Carrying Over Unused Annual Leave
The rules around carrying over unused annual leave are more nuanced than many employees realise. The first 4 weeks of statutory leave, derived from the EU Working Time Directive, must generally be taken within the leave year. The remaining 1.6 weeks (8 days for full-time workers) can potentially be carried over, but only if there is a specific agreement in place, typically outlined in your employment contract.
There are important exceptions where employees have a legal right to carry over untaken leave. If you were unable to take holiday due to long-term sickness, you may carry over leave for up to 18 months. Similarly, workers on maternity, paternity, or adoption leave continue to accrue annual leave during their absence and can carry this forward.
The extended COVID-related carry-over provisions that allowed workers to carry forward up to 4 weeks of unused leave for two years have now ended. Employers should encourage workers to take their full entitlement each year to support wellbeing and avoid accumulated liability.
The first 4 weeks of statutory leave generally cannot be carried over. The additional 1.6 weeks may be carried forward with employer agreement. Exception: Leave untaken due to sickness can be carried over for up to 18 months.
Holiday Pay and What You Should Receive
When you take annual leave, you should receive your normal pay as if you were working. For employees with fixed salaries, this is straightforward. However, for workers with variable earnings including overtime, commission, bonuses, or other regular payments, holiday pay calculations become more complex.
Recent legislation and case law have clarified that holiday pay must reflect normal remuneration, not just basic salary. Regular overtime, commission payments, and certain allowances that form part of your normal earnings should be included in holiday pay calculations. This ensures workers are not financially penalised for taking their statutory leave.
For irregular hours workers using the accrual method, employers can now legally use rolled-up holiday pay. This involves adding a 12.07% uplift to normal wages to represent holiday pay as it accrues. This must be shown as a separate item on payslips. However, employers should be cautious with this approach as workers receive no payment when they actually take time off, which may discourage taking breaks.
Requesting and Booking Annual Leave
While you have a legal right to your annual leave entitlement, employers can regulate when you take it. They may require you to follow specific procedures for requesting leave, give certain notice periods, and can refuse requests for legitimate business reasons such as peak trading periods or operational requirements.
As a general rule, you should give notice that is at least twice as long as the leave you wish to take. For a week’s holiday, you should provide at least two weeks’ notice. Conversely, if an employer wants to refuse a request, they must give notice equal to the length of leave requested.
Employers can also require you to take leave on specific dates, such as during a Christmas shutdown period, provided they give appropriate notice. They cannot force you to take all your leave during shutdowns if this would exceed your entitlement, but they can designate certain days when the business will be closed.
Annual Leave When Leaving Employment
When your employment ends, you are entitled to be paid for any accrued but untaken statutory annual leave. This is calculated based on the proportion of the leave year that has elapsed and your pro-rata entitlement for that period.
For example, if you leave three months into the leave year, you would have accrued 25% of your annual entitlement. If you had not taken any leave during that time, your final pay would include payment for those accrued days. If you have taken more leave than your pro-rata entitlement, your employer may be able to deduct the excess from your final pay, depending on your contract terms.
It is important to note that you cannot typically be paid in lieu of taking statutory leave while employed, except when you are leaving. The law is designed to ensure workers actually take time off for their wellbeing, not merely receive additional pay.
Special Considerations for Different UK Nations
While the statutory annual leave framework applies uniformly across the United Kingdom, the number of bank holidays differs between nations. This becomes relevant when bank holidays are included within your statutory entitlement or offered as additional leave.
In England and Wales, workers can expect 8 bank holidays annually including New Year’s Day, Good Friday, Easter Monday, Early May bank holiday, Spring bank holiday, Summer bank holiday, Christmas Day, and Boxing Day. Scotland adds 2nd January and St Andrew’s Day for 9 total bank holidays but does not observe Easter Monday. Northern Ireland includes all the English bank holidays plus St Patrick’s Day and the Battle of the Boyne for 10 total.
If you work remotely or across different UK nations, your employer should specify which bank holiday schedule applies to your employment. This should be clearly documented in your contract or employee handbook.
Record Keeping and Compliance
From April 2026, the Fair Work Agency will take over enforcement of holiday pay compliance, and employers will face new record-keeping duties. Records relating to annual leave compliance and holiday pay must be retained for six years, with potential fines for non-compliance.
As an employee, you should keep your own records of leave taken and remaining. Most employers provide access to this information through HR systems or regular statements, but maintaining personal records can help resolve any disputes that may arise.
If you believe your employer is not providing your full statutory entitlement, you can raise a grievance internally or seek advice from ACAS. Claims for unpaid holiday or incorrect holiday pay are brought to employment tribunals as unlawful deduction of wages claims.
If you believe you are not receiving your correct annual leave entitlement, first raise the issue with your employer. If unresolved, ACAS can provide free advice, and employment tribunals can hear claims for unpaid holiday entitlement.
Common Annual Leave Mistakes to Avoid
Many employees and employers make avoidable errors when dealing with annual leave. Understanding these common pitfalls can help ensure you receive your full entitlement and manage it effectively.
One frequent mistake is assuming bank holidays are automatically additional to your statutory entitlement. Always check your contract to understand how bank holidays are treated. Another common error is failing to use annual leave before the year end, resulting in lost days. Plan your holidays early and spread them throughout the year.
Part-time workers should ensure their entitlement is correctly calculated and that they are not treated less favourably than full-time colleagues. Irregular hours workers should verify the accrual method being used and check their payslips if rolled-up holiday pay applies. New starters should confirm their pro-rata entitlement for the first year to avoid disappointment.
Maximising Your Annual Leave
Strategic planning around bank holidays can significantly extend your time off without using extra annual leave days. By booking leave adjacent to bank holiday weekends, you can create extended breaks while using fewer holiday days.
For example, taking Thursday and Friday off before a Monday bank holiday gives you a six-day break using only two leave days. Over Christmas and New Year, a few well-placed days can provide an extended festive period. Planning ahead for popular periods like school holidays is essential if you need specific dates.
Communicate with your employer early about your holiday plans, especially for longer breaks or popular periods. Understanding your workplace’s leave booking policy and any blackout periods will help you plan effectively and avoid disappointment when preferred dates are unavailable.
Frequently Asked Questions
Conclusion
Understanding your UK annual leave entitlement is essential for every worker, whether you are employed full-time, part-time, on irregular hours, or through an agency. The statutory minimum of 5.6 weeks provides a foundation of paid time off that supports wellbeing, prevents burnout, and allows everyone to maintain a healthy work-life balance.
The key points to remember are that full-time workers receive 28 days minimum, part-time workers receive pro-rata entitlement based on days worked times 5.6, and irregular hours workers accrue 12.07% of hours worked as holiday. Bank holidays may or may not be additional to your statutory entitlement depending on your contract. New starters receive pro-rata entitlement, and unused leave generally should be taken within the leave year with limited carry-over provisions.
Use the calculator above to determine your exact annual leave entitlement based on your specific circumstances. Keep accurate records of leave taken and remaining, plan strategically around bank holidays to maximise your time off, and always check your employment contract for details on how your employer handles annual leave and bank holidays. If you believe you are not receiving your correct entitlement, do not hesitate to raise the matter with your employer or seek advice from ACAS.