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.
Running a small business means juggling cash flow, clients, suppliers, and paperwork. When things get tight, payroll can feel like just another deadline. But there’s a crucial difference: paying your employees isn’t optional or flexible - it’s a legal obligation.
Even one late payment can create legal problems. Repeated delays can lead to claims, penalties, and lasting damage to your team’s trust.
This article explains exactly what the law says about late pay, what happens if you slip up, and how to put systems in place to stop it from happening again.
Why wages are a legal promise - not just an administrative task
When you hire someone, you form a contract of employment, whether written or verbal. Every contract contains two basic terms about pay:
- how much will be paid, and
- when it will be paid.
That date - the one you put in your contract or regularly follow in practice - isn’t a guideline. It’s part of the contract itself. If you don’t meet it, you’ve breached the contract, even if you fix the problem later.
The law sees wages as something more than money. They’re the foundation of an employee’s livelihood - rent, food, childcare, travel. That’s why the legal framework around pay is strict, and why even small delays can trigger claims.
The three main laws that cover late pay
The Employment Rights Act 1996
Section 13 of the Employment Rights Act 1996 (ERA) makes it unlawful for an employer to make any “unauthorised deduction” from wages.
A deduction doesn’t just mean taking money away - it also includes failing to pay on time.
So, a missed or delayed payday is treated in law as an unlawful deduction from wages.
Employees can bring a claim to an Employment Tribunal for this, even while they’re still employed. If they win, the tribunal can order you to pay what’s owed and add interest.
There’s a three-month time limit for bringing a claim, starting from the date of the deduction (or the last deduction in a “series” of delays). That’s why repeated lateness can turn into a larger legal claim.
Contract law
Separately, your employment contract is a legally binding agreement. Not paying on the agreed date is a breach of contract, plain and simple.
Employees can claim for any losses caused by your breach - for example, overdraft fees, late-payment penalties on their rent, or other direct financial harm.
If they’ve already left the company, they can bring this type of claim in the Employment Tribunal or the civil courts (the time limit is usually six years, so these can reach back further than deduction claims).
The National Minimum Wage Act 1998
The National Minimum Wage Act adds another layer.
Employers must ensure that workers are paid at least the legal minimum for every “pay reference period” - usually a week or a month, depending on how they’re paid.
If a delay means someone doesn’t actually receive enough money during that period to meet the minimum, it’s a breach, even if you catch up the following week.
HMRC can investigate, require repayment, impose fines (up to 200% of the underpaid amount, capped at £20,000 per worker), and publicly “name and shame” offenders.
For small businesses, that can mean both financial pain and reputational damage.
What “wages” actually means under the law
Under Section 27 of the ERA, “wages” covers most of what employees regularly receive in connection with their job:
- basic pay
- bonuses
- holiday pay
- commission
- statutory payments like sick pay or maternity pay
It doesn’t usually include expenses, redundancy payments, or pension contributions. Knowing this distinction matters, because only genuine “wages” can form the basis of an unlawful deduction claim.
How lateness plays out in real life
A one-off delay
A single late payment - say, payroll hits on Monday instead of Friday due to a banking error - is still technically a breach of contract and an unlawful deduction. However, if you fix it quickly, communicate clearly, and ensure it doesn’t happen again, the practical risk is low.
Repeated delays
If payday keeps slipping, the situation changes. The law recognises an implied term in every employment relationship: the duty of mutual trust and confidence. When pay is unreliable, employees can argue that trust has been broken.
If they resign as a result, they may claim constructive dismissal, saying they were effectively forced out by your conduct.
Constructive dismissal is serious: it opens you up to claims for lost earnings and compensation, and the reputational damage can be hard to undo.
How a late-pay dispute can unfold
- Informal complaint: Most employees raise the issue informally first. If you fix it, it usually ends there.
- Formal grievance: If it happens again or isn’t resolved, they may raise a written grievance.
- ACAS Early Conciliation: Before going to tribunal, the employee must notify ACAS, which will try to resolve the matter.
- Employment Tribunal claim: If conciliation fails, the employee can file a claim for unlawful deduction from wages or breach of contract.
- Outcome: The tribunal may order you to pay the outstanding amount plus interest, and may find that repeated breaches justified a constructive dismissal claim.
Why the law is this strict - the bigger picture
It’s easy to see wage payments as a business-administration issue. The law sees them as a fairness issue.
An employee exchanges their time and labour for an agreed amount of money, on an agreed schedule. That exchange underpins the entire employment relationship.
When an employer doesn’t meet their side of the deal - even temporarily - the law assumes the worker’s trust has been undermined and intervenes to restore balance.
That’s why intent (“I didn’t mean to be late”) matters less than effect (“They didn’t get paid when they should have”).
Case study: Two small businesses, two very different outcomes
Example 1: The quiet café
A café’s card machine failed, and cash flow tightened. Payroll was delayed by five days. The owner emailed staff in advance, explained the situation, gave a confirmed payment date, and made sure everyone was paid in full. They also offered to cover any overdraft fees.
No one filed a complaint, and trust remained intact. A small breach, managed well, didn’t become a legal issue.
Example 2: The marketing agency
A start-up regularly delayed wages, sometimes by a week or two, without explanation. Employees stopped trusting the founders and began documenting missed payments. Within months, several resigned and brought claims for unlawful deduction from wages and constructive dismissal. The tribunal awarded back pay and compensation - plus reputational damage that made recruitment difficult for years.
The difference? Communication, documentation, and reliability.
Preventing late payment problems - what good practice looks like
Write clear contracts
Specify the exact pay date (“on or before the 25th of each month”), the method of payment, and what happens if that date falls on a weekend or public holiday. If you change pay frequency, update contracts formally - not just by habit or email.
Build a reliable payroll system
Automate payments through trusted payroll software. Give at least two people authority to approve or release payroll so it doesn’t hinge on one person’s availability. Keep consistent records of payments, payslips, and approvals.
Have a plan for errors
Create a short, written Payroll Delay Procedure outlining who to contact, how quickly the issue will be resolved, and how staff will be kept informed.
If a delay ever occurs, follow that plan - and confirm payment dates in writing.
Manage cash flow with payroll in mind
Payroll should be a fixed, non-negotiable expense in your cash-flow forecasts. If you anticipate problems, speak to your accountant or bank early. Communication before payday is far better than silence after.
Review compliance annually
Check wage rates against current National Minimum Wage levels (they usually change every April). Make sure statutory pay entitlements like holiday pay or sick pay are calculated correctly.
Communicate openly
If a delay is unavoidable, tell your team as soon as possible. Give a definite payment date and stick to it. A short, honest explanation goes a long way to maintaining trust - and can stop a legal complaint before it starts.
If you’ve already paid late
Act fast.
Pay what’s owed immediately, explain what happened, and confirm the payment in writing. If employees have incurred charges because of the delay, consider reimbursing them - it’s often cheaper than a tribunal claim and shows good faith.
Then fix the cause. Was it cash flow, admin, or a technical error? Put a control in place to prevent a repeat.
Seeking professional legal advice is also a good idea. An employment law specialist can help you record what steps you’ve taken, strengthen your internal policies, and ensure your business remains fully compliant.
Key takeaways
- Paying late, even once, can be a breach of contract and an unlawful deduction from wages.
- Repeated lateness can justify constructive dismissal claims.
- Delays may cause minimum wage breaches if the shortfall hits during a pay period.
- Tribunals can order repayment, interest, and compensation, and HMRC can impose fines.
- The best prevention is simple: clear contracts, strong payroll systems, proactive cash-flow planning, and open communication.
Quick checklist for business owners
- Employment contracts clearly state pay dates and methods
- Payroll software automates payments and records
- Two people authorised to release payroll
- Payroll calendar reviewed alongside cash flow
- Policy in place for payroll errors or delays
- Staff informed immediately if a delay is likely
- Annual check for minimum wage compliance
Final thoughts
Most small business owners never intend to pay late. But intent isn’t what the law looks at - timing is.
Late payment of wages in the UK is one of those issues that seems small but carries big implications. The good news? It’s entirely preventable. With the right contracts, systems, and transparency, you can stay compliant, protect your business, and keep your team’s trust.
If you’d like help reviewing your employment contracts or setting up legally compliant payroll policies, Sprintlaw’s team of small-business lawyers can help you put everything in place - clearly, quickly, and affordably. You can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.


