Can Employers Ask Staff To Work During Annual Leave In The UK?

Annual leave is meant to be a genuine break from work. But if you’re running a small business, you’ll know that real life doesn’t always respect holiday calendars.

A key client issue might blow up, a last-minute delivery might fall through, or your only trained team member for a particular task might be the one who’s away. That’s usually when the question comes up: can you ask someone to work during annual leave in the UK?

This guide explains what the law generally allows, what your risks are, and how to handle requests to work during leave fairly and practically - including the situations behind common searches like “asked to work during annual leave UK”.

Is It Legal To Ask An Employee To Work During Annual Leave In The UK?

In most cases, yes - you can ask. Asking isn’t automatically unlawful. The issue is how you ask, whether the employee genuinely has a choice, and what you do about their holiday entitlement and pay if they do end up working.

Where small businesses often get caught out is not the “ask”, but the follow-on problems:

• Leave entitlement problems (the employee effectively loses holiday days because they worked through them)
• Pay disputes (they worked but weren’t paid properly or on time)
• Employee relations and retention (they feel pressured to cancel time off)
• Working time and rest compliance (especially if this becomes routine)

Under the Working Time Regulations 1998 (WTR), workers are entitled to paid annual leave. That entitlement is there to protect health and safety, and in practice it means employees should actually be able to take time away from work.

So, while it can be legal to ask (and sometimes to require changes to leave arrangements with correct notice), it’s rarely a good idea to treat annual leave as “on standby”.

If your employment terms aren’t clear, it’s worth tightening them up in an Employment Contract and supporting policies, so everyone knows where they stand before an urgent situation hits.

Asking Vs Requiring: Why The Difference Matters

A quick sense-check:

• Asking someone to help while they’re on leave (and giving them a genuine option to say no) is usually the lower-risk approach.
• Requiring them to work during booked leave can raise bigger issues - particularly if you don’t follow the correct process for cancelling or refusing leave, or if it results in them not taking their statutory minimum holiday.

From a risk-management perspective, if you find yourself regularly “requiring” people to work during holidays, it can be a sign you need more resourcing, better handover processes, or clearer holiday rules.

What Do The Working Time Rules Say About Holiday And Changing Leave?

The Working Time Regulations 1998 set out the statutory right to paid annual leave (for most workers, 5.6 weeks per leave year, pro-rated for part-time staff).

They also cover how leave is taken and when it can be refused. In practice, employers can:

• Set rules about when leave can be taken (for example, blocking out peak trading periods)
• Require employees to take leave at certain times (with appropriate notice)
• Refuse a particular leave request (again, if handled correctly)

If you’re working through how much control you can legally have over timing, it’s helpful to review the basics on Holidays and employer direction.

Can You Cancel Approved Annual Leave?

This is where businesses need to be careful.

While the WTR are often discussed in terms of refusing leave requests and requiring employees to take leave, the notice framework can also apply when an employer needs to change arrangements after leave has already been approved. In practice, employers may be able to do this by giving a valid counter-notice (and meeting the WTR notice requirements), but your employment contract and holiday policy will still matter for how this works day-to-day.

As a general rule, if you need to cancel or change booked leave, you should consider:

• whether you can give the required notice under the WTR (and what your contract/policy says about handling changes)
• whether you act reasonably (including giving as much notice as possible)
• your general duty not to act in a way that damages trust and confidence in the employment relationship

Even if you technically can cancel, doing it last-minute can create real employee relations risk - and in some cases, cost exposure (for example, if the employee can show they’ve lost non-refundable travel costs and you’ve acted unreasonably).

What If The Employee Works While They’re “On Leave”?

If they perform work, that’s generally working time - and it shouldn’t simply “eat into” their statutory leave.

In practical terms, if an employee works on a day that was approved annual leave, you should usually:

• pay them for the time worked (as you would normally)
• credit the annual leave back (so they can take it later)
• make sure payroll and records reflect what happened

This is a common flashpoint behind “asked to work during annual leave UK” complaints - not because the request happened, but because the business didn’t restore the leave day or didn’t pay properly.

Also remember: if this causes payroll complexity, you still need to meet your wage obligations - late payment can create separate legal and employee relations issues. (If you’re reviewing your processes generally, late pay rules are worth understanding.)

When Is It Risky To Contact Staff During Annual Leave?

There’s a big difference between:

• a quick, genuinely optional message (“Where’s the supplier contact number?”), and
• repeated requests that effectively turn leave into remote working.

Even if you’re not forcing someone to work, frequent contact can undermine the purpose of annual leave. Over time, this can contribute to:

• burnout and increased sickness absence
• resentment and higher staff turnover
• grievances (especially if some staff are contacted more than others)
• discrimination risk if the pattern disproportionately affects a protected group (for example, working parents or part-time staff)

Could It Become A “Right To Disconnect” Issue?

The UK doesn’t currently have a standalone statutory “right to disconnect” in the same way some other countries do. But that doesn’t mean the risk isn’t real.

If your culture or expectations mean staff feel they can’t properly take annual leave without being contacted, it can feed into broader legal issues, including:

• working time and rest concerns
• health and safety obligations (stress is a workplace health risk)
• arguments that you’ve breached the implied term of mutual trust and confidence (which can support constructive dismissal claims in serious cases)

This is why small businesses often do best with a simple, clear rule: annual leave is protected time, and contact is reserved for genuine emergencies only.

How Should Small Businesses Handle Emergency Work Requests During Annual Leave?

If you do need to ask someone to help during annual leave, the goal is to keep it fair, consistent, and properly documented.

Here’s a practical approach you can implement without turning it into bureaucracy.

1) Decide Whether It’s Truly Urgent

Before you contact them, ask:

• Is this a true business-critical emergency or just inconvenient?
• Can the issue wait until they return?
• Is there someone else who can handle it?
• Do we have the information elsewhere (handover notes, shared inbox, CRM)?

This matters because the more often you contact staff on leave, the easier it is for a “one-off” to become a pattern.

2) Make It A Genuine Request (Not Pressure)

When you reach out, keep the message:

• short
• clear about what you need
• explicitly optional (where appropriate)

For example: “No pressure at all - but if you’re able to call me for 10 minutes today, it would really help.”

If the reality is that you need to cancel leave (rather than ask for a small favour), treat it as a formal change and follow your policy/contract process (and make sure any required WTR notice is met).

3) Confirm How You’ll Handle Pay And Leave Back

If they do work, confirm in writing (even a quick email is fine) that:

• the time will be paid (or treated as working time)
• the annual leave will be recredited, or you’ll agree an alternative day off
• any additional time will be treated consistently (for example, overtime rules)

Some businesses use time off in lieu (TOIL) for extra hours. If that’s your model, make sure you’ve got clear rules so it doesn’t become messy or inconsistent - TOIL is a common area where disputes start if expectations aren’t set from day one.

4) Keep Records (So Payroll, Entitlements, And Fairness Stay On Track)

You don’t need a complex system, but you do need consistency. Keep a record of:

• what day(s) were affected
• how many hours were worked
• what was paid
• what leave was recredited

This helps if you ever need to respond to a complaint about being asked to work during annual leave in the UK - you can show you handled it properly and the employee didn’t lose their entitlement.

What Should You Put In Your Contracts And Policies To Avoid Disputes?

If you’ve ever had to send a “sorry to bother you on holiday” message, you already know: it’s much easier when the rules are clear upfront.

As a small business, you don’t need to create a 40-page legal manual. But you should have a few core documents that work together:

• a clear Employment Contract
• a practical holiday and working time policy in a Staff Handbook

Key Clauses And Policy Points To Consider

Every business is different, but these are common areas to address.

• Holiday request and approval process (how far in advance, who approves, blackout periods)
• Business right to refuse or require leave (and notice expectations)
• Cancelling approved leave (how you’ll handle changes, including any notice requirements you’ll follow)
• Contact during annual leave (emergency-only, who can contact, preferred method)
• Working during annual leave (how pay will work, whether leave is recredited, TOIL rules)
• Handover expectations (so fewer emergencies rely on one person)

It’s also important that your policies align with working time obligations more broadly, particularly around rest breaks and maximum weekly working time. If you’re reviewing compliance, the rules under Working Time Regulations are a good baseline.

A Quick Reality Check: Consistency Is Everything

Many holiday-related disputes aren’t really about the law - they’re about fairness.

If one person is always contacted on leave, or certain teams are expected to be “available” while others aren’t, that’s when morale drops and grievances pop up.

A consistent policy (and a consistent habit of recrediting leave if someone works) goes a long way.

Key Takeaways

• You can generally ask an employee to work during annual leave in the UK, but you need to handle it carefully so they don’t lose their statutory rest and entitlement.
• Even if it’s “just a quick call”, repeated contact can undermine annual leave and create employee relations and compliance risks.
• If an employee works during what was booked leave, you should usually pay them for the work and credit the leave back (or agree an alternative day off), with clear records.
• Cancelling approved annual leave can be a high-risk area - employers may need to rely on the WTR notice framework (for example, giving a counter-notice) as well as any contract/policy wording, and should act reasonably.
• Clear documents and processes (holiday rules, TOIL, emergency contact expectations) reduce disputes and help your team feel treated fairly.
• If you’re seeing recurring issues where “asked to work during annual leave UK” type situations keep coming up, it may be time to review resourcing, handovers, and your employment documentation.

Note: This article is general information only and isn’t legal advice. If you need advice on your specific situation, it’s best to speak to an employment lawyer.

If you’d like help reviewing your holiday rules, updating an Employment Contract, or putting a clear Staff Handbook in place, you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.