How to Correct Payroll Errors in the UK: A Complete Guide for Employers

How to Correct Payroll Errors in the UK: A Complete Guide for Employers 07 Apr 2026

How to Correct Payroll Errors in the UK: A Complete Guide for Employers

Payroll is one of the most critical functions within any business. Even with modern payroll software and automation, errors can still occur — from incorrect tax codes to miscalculated wages. While many knowledge base articles cover payslip generation and compliance basics, one often overlooked area is how to handle payroll errors once they happen.

This guide fills that gap by providing a clear, SEO-focused resource on identifying, correcting, and preventing payroll mistakes in the UK.

Why Payroll Accuracy Matters

Payroll errors can lead to serious consequences, including:

Employee dissatisfaction and loss of trust
Financial penalties from HMRC
Compliance risks and audits
Administrative headaches and time loss

Even small mistakes, like a missed overtime payment or incorrect deduction, can escalate if not handled promptly.

Common Types of Payroll Errors

Understanding the most frequent issues helps you spot and fix them faster.

1. Incorrect Employee Pay

This includes:

Underpayments due to missed hours or overtime
Overpayments caused by duplicate entries or wrong rates

2. Wrong Tax Codes

Using an incorrect tax code can result in:

Employees paying too much tax
Unexpected tax bills later

3. Miscalculated Deductions

Errors in:

National Insurance contributions
Pension contributions
Student loan repayments

4. Incorrect Payslip Information

Payslips must legally include accurate details such as:

Gross pay
Net pay
Deductions
Pay period

5. RTI (Real Time Information) Filing Errors

Submitting incorrect data to HMRC can create discrepancies between your records and theirs.

Step-by-Step: How to Correct Payroll Errors

Step 1: Identify the Error

Start by reviewing:

Payroll reports
Employee complaints
HMRC notifications

The sooner an issue is identified, the easier it is to fix.

Step 2: Determine the Type of Error

Ask:

Is it an overpayment or underpayment?
Does it affect tax or NI contributions?
Has incorrect data been submitted to HMRC?

This determines your correction approach.

Step 3: Correct the Payroll Record

If the error is discovered before submitting payroll to HMRC, simply:

Update the payroll data
Regenerate the payslip

If discovered after submission, you’ll need to:

Adjust the figures in your next payroll run
Or submit a correction via an updated Full Payment Submission (FPS)

Step 4: Correct HMRC Submissions

For RTI errors:

Submit an amended FPS with corrected year-to-date figures
Ensure totals match your payroll records

Accuracy here is crucial to avoid penalties.

Step 5: Communicate with the Employee

Transparency is key. Inform the employee:

What went wrong
How it’s being corrected
When they can expect resolution

This helps maintain trust and reduces disputes.

Handling Overpayments

Overpayments are particularly sensitive.

Your Options:

Deduct from future wages (with employee agreement)
Arrange a repayment plan
Recover via legal means (last resort)

Important:

You must act reasonably and avoid causing financial hardship.

Handling Underpayments

Underpayments should be corrected immediately.

What to Do:

Pay the outstanding amount as soon as possible
Include it in the next payroll run or issue a separate payment
Update HMRC records accordingly

Failing to correct underpayments can lead to legal and compliance issues.

Correcting Payslip Errors

If a payslip contains incorrect information:

Issue a corrected payslip
Clearly mark it as an amended version
Keep records of both the original and corrected versions

Digital payslip systems make this process significantly easier and more transparent.

Preventing Future Payroll Errors

While corrections are important, prevention is even better.

1. Use Reliable Payroll Software

Automated systems reduce manual errors and ensure compliance with UK regulations.

2. Keep Employee Data Updated

Ensure:

Tax codes are current
Personal details are accurate
Contract changes are reflected promptly

3. Run Payroll Checks

Before finalising payroll:

Review totals
Check anomalies
Validate deductions

4. Stay Updated with HMRC Rules

Regulations change frequently, so staying informed is essential.

5. Train Payroll Staff

Ensure anyone handling payroll understands:

UK compliance requirements
Internal processes
Error correction procedures

Record-Keeping Requirements

UK employers must keep payroll records for at least 3 years from the end of the tax year.

Records should include:

Payslips
Payroll reports
HMRC submissions
Corrections and adjustments

Good record-keeping protects your business in case of audits or disputes.

When to Seek Professional Help

If payroll errors are complex or frequent, consider:

Consulting a payroll specialist
Outsourcing payroll services
Using advanced payroll platforms

This can save time, reduce risk, and ensure compliance.

Final Thoughts

Payroll errors are inevitable at some point, but how you handle them makes all the difference. By identifying issues quickly, correcting them properly, and implementing preventative measures, you can maintain compliance and employee trust.

This topic is often underrepresented in payroll knowledge bases, yet it’s essential for both small businesses and growing organisations. By addressing payroll corrections in detail, you not only improve internal processes but also strengthen your overall payroll strategy.

Looking to simplify payroll and reduce errors?
Modern digital payslip systems and automated payroll tools can help ensure accuracy, compliance, and efficiency — giving you peace of mind every pay cycle.