Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
If you’ve discovered that your company overpaid an employee, don’t panic. Payroll mistakes happen - especially when you’re juggling multiple starters, leavers, overtime rates and statutory payments.
What matters is how you correct the error. UK law gives employers rights to recover genuine overpayments, but there are important limits and fair process steps to follow to avoid unlawful deduction claims, grievance risk and HMRC headaches.
In this guide, we’ll walk you through exactly what counts as an overpayment, when you can deduct it from future pay, how to get consent (and when it isn’t strictly required), what to do about tax and NI, and how to handle tricky scenarios like leavers and minimum wage. We’ll also share practical ways to prevent overpayments in the first place so you stay compliant and protect cash flow.
What Counts As A Wage Overpayment?
In simple terms, an overpayment is money paid to a worker by mistake - not something they were contractually entitled to receive. Common examples include:
- Paying the wrong hourly rate or salary band after a promotion or change in role
- Duplicated payments (for example, paying both a salary and an additional shift payment in error)
- Overpaying overtime or allowances due to incorrect timesheets or system settings
- Continuing to pay a leaver beyond their termination date
- Paying full pay instead of statutory sick pay or family leave pay
- Misapplying a bonus or commission calculation
Legally, the key question is whether the money was due under the employment contract. If it wasn’t, then it’s an overpayment that can usually be recovered. If the money was due (for example, because a bonus was genuinely earned and the contract says it’s payable), you’ll need a different route to claw it back.
It’s sensible to ground this analysis in the contract and workplace rules you’ve set. Clear terms in your Employment Contract and your payroll policy in a Staff Handbook will help you define what is and isn’t payable, and how you’ll handle any corrections.
Can You Deduct An Overpayment From Future Wages?
Often yes - but you need to do it properly.
Under the Employment Rights Act 1996, employers can lawfully make deductions to recover a genuine overpayment of wages or expenses. That legal right exists even if the employee doesn’t expressly agree to the deduction. However, you should still take a fair and reasonable approach, communicate clearly and consider an affordable repayment plan where needed. Heavy-handed deductions are likely to trigger disputes or grievances.
Important compliance points to keep in mind:
- Unlawful deductions: If your deduction doesn’t relate to a genuine overpayment, it may be an unlawful deduction from wages. It’s vital to check the contractual entitlement and the legal test under the Employment Rights Act 1996 before acting.
- National Minimum Wage (NMW): Deductions to correct a past overpayment are generally permitted for NMW purposes. Even so, as a matter of good practice, make sure your deduction plan doesn’t leave the worker with unreasonably low take-home pay in the period.
- Transparency and records: Give the employee a written breakdown of the overpayment and your proposed deduction schedule. Keep clean records and updated payslips so there’s no confusion.
To get the process right, we recommend reading up on the basics of Wage Deductions and the common pitfalls around Wage Overpayments so you’re clear about the limits before you make any changes to payroll.
Step-By-Step: How To Correct An Overpayment Safely
Here’s a practical process you can follow when you discover an overpayment. You can adapt the steps based on the size of the error and your relationship with the worker.
1) Confirm The Facts And Size Of The Overpayment
- Re-run the payroll calculation and check against the contract, recorded hours, allowances and any variable pay.
- Pinpoint the pay periods affected and the gross and net overpayment amounts.
- Document the cause (system issue, human error, wrong rate, duplicated payment) so you can fix the root problem.
2) Decide On A Fair Recovery Approach
- For small amounts, a single deduction may be reasonable. For larger sums, offer a repayment plan.
- Consider financial hardship. A repayment over several months may be more sustainable and fair.
- Avoid deductions from statutory payments (such as statutory maternity pay) where possible to reduce complexity and risk.
3) Communicate Clearly And In Writing
- Explain what happened, how much was overpaid, how you calculated it and the proposed recovery method.
- Invite questions and provide a point of contact in payroll or HR.
- Get written agreement where possible, especially for staged deductions. A short repayment letter or addendum helps avoid disputes.
4) Put The Deduction Or Repayment In Place
- Set up the deduction schedule in payroll and annotate payslips so the worker sees the correction transparently.
- If the employee is repaying by bank transfer, issue a simple repayment schedule and receipts.
- Make sure the net pay still makes sense for the period and that your calculations reconcile with gross-to-net and cumulative tax/NIC.
5) Correct PAYE, NIC And Year-To-Date Figures
- Update your payroll software so YTD taxable pay, NIC and pension figures are accurate after the correction.
- If you’ve already submitted an FPS to HMRC for the period in question, submit a corrected FPS.
- Where a leaver is involved, follow the process for replacing the final FPS with corrected figures and issuing an amended P45 if necessary.
6) Fix The Root Cause
- Review your internal payroll controls, system configuration and handover processes.
- Train anyone entering hours or authorising changes in rate or status to reduce repeat errors.
- Add a clear clause to your Employment Contract and policy in your Staff Handbook about overpayment recovery so everyone understands the process in advance.
Tax, National Insurance And HMRC Corrections
Overpayments can get messy if you don’t correct PAYE and NIC properly. A few practical principles will keep you on track:
- Correct through payroll: Where possible, adjust through your payroll software in the next pay run so year-to-date figures are right and the correction flows automatically to HMRC via FPS.
- Gross vs net: Distinguish between gross overpayment and the net amount you’re recovering. If you’re clawing back in the same tax year, payroll adjustments usually ensure the right tax and NIC position is restored automatically.
- Different tax years: If the overpayment relates to a previous tax year, you may need specific steps (for example, tax and NIC refunds may require additional HMRC guidance depending on timing and circumstances). Work with your payroll provider or accountant.
- Pension and student loans: Don’t forget the secondary effects. Check whether pension contributions or student loan deductions also need adjustment.
If the employee repays you outside of payroll (for example, by bank transfer), you still need to ensure year-to-date records and HMRC submissions reflect the corrected position. Getting this wrong can create problems for P60/P45 accuracy and the employee’s personal tax.
Handling Edge Cases: Leavers, NMW, Sick Pay And Statutory Payments
Certain scenarios need a little extra care.
Overpayment To A Leaver
It’s common to spot an overpayment after someone has left - for example, paying a full month when only two weeks were due. In that case:
- Notify the ex-employee promptly with a clear breakdown and your repayment request.
- Offer a reasonable repayment plan where appropriate. If they dispute the amount, try to resolve by sharing the calculation and relevant contract terms.
- If repayment isn’t forthcoming, you can consider civil recovery. As a last resort, legal action may be necessary, but many cases resolve with a sensible payment plan.
- Keep records in line with your data protection duties and your retention policies. For context on retention, see guidance on ex-employee records.
Minimum Wage Considerations
Deductions to correct a past overpayment are generally permitted under national minimum wage rules. That said, try not to design a recovery plan that leaves someone with a very low take-home in a given pay reference period. Spreading repayments over several months is often the fair and practical solution.
Sick Pay, Family Leave And Statutory Payments
Overpayments sometimes happen because statutory pay rules are misapplied, or because full pay continued alongside SSP, SMP or other statutory amounts. Recoveries here are still possible, but be careful about the timing and the interaction with statutory entitlements. Consider pausing recovery during periods when the employee is on statutory pay only and resuming once normal pay resumes.
Commission, Bonus And Discretionary Pay
If variable pay was genuinely earned under the contract and scheme rules, it may not be an “overpayment.” If the contract gave you discretion, ensure you exercised it lawfully and consistently. If a bonus was paid in error due to a calculation mistake, document the error and recovery plan with the same care as salary overpayments.
Disputes And Grievances
If the employee disputes the overpayment or complains about the proposed deductions, stay calm and follow your grievance process. Provide the calculation and contract clauses in writing, invite the employee to a discussion, and consider reasonable adjustments to the repayment plan to resolve the issue. If a dispute escalates or you’re considering ending employment, align your approach with best practice for ending an employment contract fairly.
Preventing Overpayments: Contracts, Policies And Controls
The best way to deal with overpayments is to stop them happening in the first place. A few well-chosen documents and process tweaks go a long way.
Get Your Contracts And Policies In Order
- Employment Contracts: Include clear pay terms (salary/hourly rates, overtime rules, allowances, commission/bonus mechanics) and a clause that allows recovery of overpayments in a fair, reasonable manner. If your contracts need a refresh, consider putting in place a robust Employment Contract.
- Staff Handbook: Add practical payroll rules - timesheet cut-offs, authorisation levels for changes, and a standard overpayment recovery process. A well-structured Staff Handbook helps set expectations and reduces disputes.
Strengthen Your Payroll Controls
- Maker–checker: Require a second pair of eyes on rate changes, new starters/leavers, and large variable pay items before each run.
- Data hygiene: Align HR and payroll systems so start dates, end dates, hours and changes sync cleanly. Run exception reports (for example, duplicate payments, unexpected spikes).
- Cut-offs and checklists: Use a pre-payroll checklist and sign-offs from managers to catch mistakes early.
- Post-pay review: After each run, reconcile gross-to-net totals, scan for outliers and address issues immediately.
Train Line Managers
Many overpayments originate in rushed approvals, inaccurate timesheets or misunderstood pay rules. Short, practical training for line managers on overtime, allowances and authorisation limits can materially reduce errors.
Plan For The “What Ifs”
Even with good systems, payroll is complex. Decide in advance how you’ll handle repayment plans, financial hardship, and disputed calculations. Having the approach written down makes it easier to act consistently and fairly.
Keep The Legal Basics In View
Recovering overpayments sits alongside your broader duties as an employer: pay accurately and on time, avoid unlawful deductions, and follow the processes set out in the Employment Rights Act 1996. If delays arise while you sort a correction, be mindful of your obligations around late pay and communicate proactively - it’s wise to understand employer obligations for late pay so you can manage the risk appropriately.
Frequently Asked Questions
What If The Employee Says “The Company Overpaid Me But I’ve Spent It”?
That doesn’t prevent recovery, but it does call for sensitivity. Provided it’s a genuine overpayment, you can still recover the money. Focus on an affordable repayment plan and clear communication. Most employees will cooperate if the plan is fair and the numbers are transparent.
Do I Need The Employee’s Consent?
For genuine wage overpayments, UK law allows recovery even without express consent. However, getting written agreement is best practice and reduces the risk of disputes. It also helps you tailor a repayment schedule to the individual’s circumstances.
What If The Overpayment Was Our Fault?
Almost all overpayments are the employer’s fault - that’s why they’re overpayments. Fault doesn’t stop recovery, but it does raise fairness issues. Own the mistake, apologise, and propose a reasonable plan. Tribunals look favourably on employers who act transparently and proportionately.
Can We Recover From Future Bonuses Or Commission?
Yes, if your contract allows deductions against future variable pay and it’s a genuine overpayment. Make sure your scheme documents and the contract are aligned. If they aren’t, tidy them up before you rely on them.
What If The Employee Leaves Before We’ve Recovered The Full Amount?
Deduct the agreed amount from the final pay where lawful and proportionate, and then arrange a repayment plan for any remainder. Keep the door open to discuss options - many leavers are happy to agree a schedule. If that fails, you can evaluate civil recovery, but weigh the costs and prospects first.
Key Takeaways
- “Company overpaid me” situations are fixable - employers can usually recover genuine wage overpayments, but you must follow fair process and stay within legal limits.
- Confirm the amount and cause, communicate clearly in writing, and agree a reasonable deduction or repayment plan wherever possible.
- Correct PAYE, NIC and year-to-date figures through payroll and submit any necessary FPS adjustments to HMRC, especially for prior-period corrections.
- Take extra care with leavers, statutory payments and minimum wage. Spreading repayments often balances fairness with cash recovery.
- Prevent repeats by tightening payroll controls and embedding clear clauses in your Employment Contract and Staff Handbook about overpayment recovery.
- If a dispute arises, treat it through your grievance process and sense-check your approach against the Employment Rights Act 1996 to avoid unlawful deduction claims.
If you’d like tailored help updating your contracts, setting a compliant deductions policy or resolving a tricky overpayment, our team can help. You can reach us on 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.


