Unlimited Annual Leave UK: Does It Actually Work?
"Unlimited annual leave" has become one of the most talked-about workplace benefits of the 2020s. Popularised by US tech companies like Netflix and LinkedIn, the concept has crossed the Atlantic and is now being adopted by a growing number of UK businesses. But does it genuinely work, or does it create more problems than it solves? Here is a grounded look at the reality for British employers.
What does "unlimited leave" actually mean?
An unlimited leave policy (sometimes called "unlimited PTO") removes the fixed annual leave allowance. Instead of receiving, say, 25 days plus bank holidays, employees can take as much time off as they need, subject to approval and meeting their work commitments.
In practice, "unlimited" rarely means "take six months off." Most companies pair it with expectations around deliverables, team coverage, and manager approval. The principle is simple: we trust you to get your work done and take the time off you need.
The UK legal position: you still have a minimum
This is the part many employers miss. Under the Working Time Regulations 1998, all UK workers are entitled to a minimum of 5.6 weeks (28 days for full-time employees, including bank holidays) of paid annual leave per year.
You cannot contract out of this minimum. Even if your policy says "take as much as you like," you must still:
- Ensure every employee takes at least 28 days (or the pro-rata equivalent for part-time workers).
- Monitor that employees are actually taking their minimum entitlement — if someone takes zero leave, that is a compliance problem.
- Pay holiday pay correctly for the statutory portion of leave taken.
Legal warning: Under an unlimited leave policy, if an employee leaves the company, there is no accrued leave balance to pay out — which is one reason some businesses adopt the policy. However, UK tribunals could take a different view if the employee has not taken their statutory minimum. Always track the 28-day floor.
The pros of unlimited leave
1. Powerful recruitment tool
In competitive sectors like tech, finance, and creative services, unlimited leave is a headline benefit that attracts candidates. It signals a modern, trust-based culture.
2. Reduced admin (in theory)
No more tracking accruals, carry-over calculations, or year-end leave rushes. Employees simply take what they need.
3. No leave liability on the balance sheet
Accrued but untaken leave is a financial liability. With unlimited leave, there is nothing to accrue — and nothing to pay out when someone leaves (beyond the statutory minimum).
4. Flexibility for diverse needs
Different employees need different amounts of time off. A parent may need more during school holidays. Someone undergoing medical treatment may need sporadic days. Unlimited leave accommodates this without awkward negotiations.
The cons of unlimited leave
1. People take less leave, not more
This is the most widely reported downside. Studies from organisations like CharlieHR and Namely found that employees on unlimited leave policies typically take fewer days than those with a fixed allowance. Without a clear entitlement, people feel uncertain about what is "acceptable" and default to taking less. This is the opposite of the intended outcome.
2. Inequality between teams
Approval depends on managers. A supportive manager may encourage generous time off; a less supportive one may subtly discourage it. This creates inconsistency across the business.
3. Harder for part-time and junior staff
Part-time workers may struggle to know what "unlimited" means relative to their hours. Junior employees may feel they have less social permission to take leave than senior colleagues.
4. Compliance risk
If you are not tracking leave, how do you ensure everyone takes their statutory 28 days? An employment tribunal will not accept "we have unlimited leave" as a defence if an employee was effectively pressured into not taking time off.
5. Exit pay disputes
When someone leaves, the question of leave during the notice period becomes complex. If there is no accrual, what is owed? Getting legal advice on your specific policy wording is essential.
How to make unlimited leave work in the UK
If you decide to go ahead, these steps will help you avoid the common pitfalls:
| Step | What to do |
|---|---|
| 1. Set a minimum floor | Require everyone to take at least 28 days (or more). This solves the "people take less" problem and keeps you legally compliant. |
| 2. Lead from the top | If senior leaders do not take leave, no one else will. Make leadership leave visible. |
| 3. Train managers | Ensure managers actively encourage leave and approve requests consistently across teams. |
| 4. Track everything | Unlimited does not mean untracked. You still need to monitor who is off and when for coverage, compliance, and wellbeing. |
| 5. Review quarterly | Check average days taken by team, role, and seniority. If some groups are taking significantly less, investigate why. |
| 6. Define boundaries | Clarify maximum consecutive days, peak-period rules, and approval process. "Unlimited" needs guardrails. |
Real-world results from UK companies
Several UK businesses have publicly shared their experiences with unlimited leave. The results are mixed:
- Positive: Companies that paired unlimited leave with a mandatory minimum (e.g. "you must take at least 30 days") saw higher satisfaction scores and no increase in absence-related disruption.
- Neutral: Some found that average leave taken was almost identical to before (around 25–27 days), but the policy eliminated admin around accruals and carry-over.
- Negative: A few companies reversed the policy after finding that junior staff and minority groups were consistently taking less leave, creating a two-tier system.
Is unlimited leave right for your business?
Unlimited leave works best in high-trust, output-focused environments where employees have clear goals and autonomy. It tends to struggle in:
- Shift-based or coverage-dependent roles (retail, hospitality, healthcare).
- Businesses with a strong culture of presenteeism.
- Organisations without robust management training.
If you are not ready for fully unlimited leave, consider a generous fixed allowance instead — say 30–35 days plus bank holidays. It provides many of the same benefits (attraction, flexibility) without the compliance and behavioural risks.
How Leavely supports unlimited leave policies
Whether you adopt unlimited leave or stick with a generous fixed allowance, Leavely keeps you in control:
- Flexible policy configuration — set a leave type with no upper limit but a mandatory minimum floor, so you stay legally compliant.
- Usage dashboards — see average days taken by team and role, so you can spot underuse before it becomes a problem.
- Team calendar — visualise coverage across the business, even when there is no fixed cap.
- Manager prompts — flag employees who have not taken leave recently, so managers can encourage time off proactively.
- Statutory compliance — automatic tracking ensures every employee meets the Working Time Regulations minimum.