5 Shocking Ways HMRC Found 25,200 Christmas Workers Were Underpaid In 2024/2025

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The festive season, a time of peak employment for thousands of temporary staff, has once again brought to light a significant and ongoing issue: the systemic underpayment of seasonal workers. As of the 2024/2025 tax year, HM Revenue and Customs (HMRC) has issued a stern warning, revealing that a staggering £5.8 million in wage arrears was owed to over 25,200 underpaid UK workers. This massive compliance failure, often concentrated in the retail, hospitality, and logistics sectors during the Christmas rush, has led to a major enforcement push by the tax authority, resulting in substantial penalties for non-compliant employers.

The core of the problem is not always complex tax calculations, but often fundamental breaches of the National Minimum Wage (NMW) and National Living Wage (NLW) regulations. This year's figures are a stark reminder that while employers benefit from the surge in temporary recruitment, they remain fully accountable for payroll compliance, with HMRC making it clear that seasonal pressure is no excuse for short-changing staff.

HMRC’s Latest Enforcement: £5.8 Million in Wage Arrears Exposed

The data from the 2024-2025 tax year paints a clear picture of the ongoing struggle for fair pay among the UK's temporary workforce. HMRC’s targeted enforcement actions have been highly successful in identifying employers who failed to meet their legal obligations.

The headline figure is alarming: £5.8 million in wage arrears was identified and owed to 25,200 workers. This represents money illegally withheld from employees, many of whom were temporary staff relying on their seasonal income.

In response, HMRC has not hesitated to use its full powers. The authority issued approximately 750 penalties to non-compliant businesses, totalling £4.2 million. This financial crackdown underscores HMRC's commitment to protecting the most vulnerable workers during peak trading periods.

The Five Most Common Reasons Seasonal Workers Are Underpaid

The underpayment of Christmas and seasonal workers rarely stems from one single cause. Instead, it is a combination of common payroll errors, deliberate non-compliance, and poor internal processes, particularly in high-volume hiring environments like retail, hospitality, leisure, logistics, and warehousing.

Here are the five primary mechanisms through which seasonal workers are typically underpaid, according to recent HMRC investigations and warnings:

1. Breaches of the National Minimum Wage (NMW) and National Living Wage (NLW)

This is the most direct form of underpayment. Despite clear legal requirements, some employers fail to pay the legally mandated hourly rate, especially to younger workers or those new to the workforce. This non-compliance is often the primary focus of HMRC’s enforcement campaigns.

2. Unpaid Working Time and "Time Theft"

Seasonal roles often involve mandatory tasks that are not recorded as paid working time. This can include:

  • Security searches and checks before or after a shift.
  • Mandatory training sessions or inductions completed outside of paid hours.
  • Time spent clocking in/out, changing uniforms, or handing over duties.
  • Requiring staff to arrive early or stay late without compensation.

These small, unpaid increments of time quickly add up to a significant wage deficit over a busy seasonal period, pushing the worker’s effective hourly rate below the legal minimum.

3. Inappropriate Deductions from Pay

A frequent area of contention is deductions made from a worker’s pay that are not legally permitted or which push the final take-home pay below the NMW/NLW threshold. Common examples of inappropriate deductions include:

  • Charges for uniforms, especially if the uniform is mandatory and cannot be purchased elsewhere.
  • Deductions for training costs.
  • Fees for transport or travel that should be covered by the employer.
  • Charges for accommodation provided by the employer that are excessive.

HMRC scrutinises these deductions closely, as they are a key lever employers use to illegally reduce their labour costs.

4. Incorrect Use of Emergency Tax Codes

While this issue typically results in an *overpayment* of tax rather than an underpayment of wages, it is a critical payroll error that affects many temporary and seasonal staff. When a new employee starts a job and HMRC does not have up-to-date information (often because they have two jobs or have recently left education), the employer may apply an emergency tax code.

This temporary code often results in too much tax being deducted, meaning the worker receives a significantly lower take-home pay than expected. Although the worker can reclaim this overpaid tax later, the immediate impact is a cash-flow problem during the busy Christmas period.

5. Failure to Pay Holiday Entitlement

Seasonal workers, including those on temporary contracts, are entitled to paid holiday, which accrues from their first day of employment. Employers sometimes fail to calculate or pay this accrued holiday when the seasonal contract ends. This omission is a form of underpayment, as the worker is legally entitled to be paid for their accrued leave. Payroll compliance requires employers to ensure this is correctly calculated and paid out.

Protecting Yourself: How Seasonal Workers Can Check Their Pay

The onus is often placed on the worker to be vigilant. HMRC strongly urges all temporary staff to "check their pay" and not to assume their employer is fully compliant. Taking a proactive approach is the best way to ensure you receive the full wage arrears you are owed.

Key Steps for Checking Your Payslip

To protect yourself from being one of the 25,200 underpaid workers identified by HMRC, follow these essential steps:

  • Verify Your Hourly Rate: Check the current NMW/NLW rates for your age group and ensure your payslip reflects at least this amount.
  • Track All Hours Worked: Keep a personal log of all your start and end times, including any time spent on mandatory activities like security checks or uniform changes. Compare this log against the hours listed on your payslip.
  • Scrutinise Deductions: Examine every deduction. If a deduction for a uniform, training, or transport seems unusual or excessive, question it immediately. Deductions should not push your pay below the NMW/NLW.
  • Check Your Tax Code: Look for codes like '0T' or a code with 'W1', 'M1', or 'X' at the end. These are often emergency tax codes. If you believe your tax code is wrong, contact HMRC immediately for a correction to prevent over-taxation.
  • Confirm Holiday Pay: Ensure that your final payslip includes a payment for any holiday entitlement you accrued but did not take during your contract.

If you suspect you have been underpaid, the first step is to raise the issue with your employer's payroll or HR department. If the matter is not resolved, you can report the employer confidentially to HMRC, who will then investigate the minimum wage breach. Employers found to be non-compliant can face severe penalties of up to 200% of the underpayment, a clear deterrent against exploiting temporary staff.

5 Shocking Ways HMRC Found 25,200 Christmas Workers Were Underpaid in 2024/2025
hmrc christmas workers underpaid
hmrc christmas workers underpaid

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