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Unfair Dismissal

Unfair dismissal is a claim to an employment tribunal that your employer ended your employment without a fair reason, or without following a fair procedure. 'Fair' reasons are limited by law (capability, conduct, redundancy, legal restriction, or some other substantial reason) and the employer must also have acted reasonably in the circumstances.

Last checked 2026-10-143 scenarios

What is this?

Unfair dismissal is a claim to an employment tribunal that your employer ended your employment without a fair reason, or without following a fair procedure. 'Fair' reasons are limited by law (capability, conduct, redundancy, legal restriction, or some other substantial reason) and the employer must also have acted reasonably in the circumstances.

Who can use it

Employees, not genuinely self-employed contractors. For an 'ordinary' unfair dismissal you normally need two years' continuous service (this falls to six months for dismissals from 1 January 2027). Some reasons are automatically unfair and need no qualifying period at all, including dismissal for pregnancy or maternity, whistleblowing, trade union membership or activity, and raising health and safety concerns.

What problems it addresses

Dismissal with no real reason or no proper process; a sham redundancy; dismissal after raising a complaint; disciplinary decisions built on flimsy or disputed evidence; a 'performance' dismissal with no warnings or targets.

When it is appropriate

You were dismissed (not made redundant by genuine process, not resigned) and the employer's decision looks either substantively unfair or procedurally unfair. It is worth checking even where your employer says you were 'let go' informally, because a dismissal without notice or reason can still be challenged.

How the procedure begins

You must notify Acas first and go through early conciliation, which is free and produces a certificate. Without that certificate a tribunal cannot accept your claim. Early conciliation pauses the clock while it runs and is also where the majority of claims settle.

What the decision-maker can do

An employment tribunal decides whether the dismissal was fair and, if not, can order compensation and can recommend or order reinstatement or re-engagement. Reinstatement orders are uncommon in practice; compensation is the usual remedy.

Remedies and outcomes available

A basic award (calculated from age, pay and length of service) plus a compensatory award for lost earnings and related losses. The compensatory award is subject to a statutory cap that is up-dated every April, so check the current figure on GOV.UK. Awards can be reduced for contributory conduct or for failing to mitigate loss, and can be increased where the employer ignored proper procedure.

When to consider a different route

If you have less than the qualifying service and no automatically unfair reason applies, an ordinary unfair dismissal claim will normally fail — but you may have a wrongful dismissal claim for notice pay as a breach of contract, which is pursued in the civil courts, or a discrimination claim with its own time limits and no qualifying period. Unpaid wages, holiday pay or redundancy pay are separate claims lodged with the tribunal or through Acas.

Costs, fees and timeframes

Acas early conciliation is free and issuing a tribunal claim has been free since tribunal fees were quashed in 2017. Legal representation is optional and priced by the firm; many claimants are represented by a union, a no-win-no-fee arrangement or a fixed fee. Early conciliation is currently allowed up to 12 weeks, and hearings are commonly listed several months after a claim is accepted.

Step by step

  1. 1

    Check the clock first

    Work out the effective date of termination and the deadline. Claims are extremely time-sensitive and the deadline is the single most common reason claims are rejected.

  2. 2

    Notify Acas for early conciliation

    Start the free early conciliation process to obtain a certificate. The conciliator will offer the employer the chance to settle without a hearing.

  3. 3

    Gather and organise your evidence

    Pull together the paperwork and write a dated chronology of what happened, including who said what and when.

  4. 4

    Issue the claim

    Submit the tribunal claim form within the deadline, setting out the facts, your claim type and the remedy you seek. Keep a copy of everything you file.

  5. 5

    Case management and hearing

    The tribunal will set directions, a bundle and a hearing date. Many claims settle before the hearing, often through a further Acas conciliation.

  6. 6

    Enforce any award

    If you win and the employer does not pay, enforcement is through the civil courts, not the tribunal.

Evidence and documents

Your contract and any staff handbook, payslips, the dismissal letter or meeting notes, disciplinary and grievance paperwork, emails, messages, rotas and appraisal records, and the names of witnesses.

  • • Contract of employment and written statement of particulars
  • • Dismissal letter or notes of the meeting where you were told
  • • Disciplinary or grievance correspondence and outcomes
  • • Performance reviews, targets and warnings
  • • Payslips, P45 and holiday or notice pay records
  • • Emails, messages or notes of relevant conversations
  • • Names and roles of witnesses
  • • Medical or other evidence supporting your explanation

Authoritative sources

Frequently asked questions

How long do I have to start a claim?+

The time limit changed on 1 October 2026. For dismissals on or after that date the limit is generally six months less one day; for earlier dismissals it was three months less one day. Contact Acas straight away and confirm the position for your dates on the Acas time limits page — the deadline is strict and extensions are rare.

Do I have to go through Acas first?+

Yes. Early conciliation is a mandatory step for most employment tribunal claims. It is free, it pauses the deadline while it runs, and it is where most claims settle.

Will my employer have to pay my legal fees if I win?+

Usually not. Each side normally pays its own costs in the employment tribunal, and costs orders are rare. That is why unions, pro bono advice and no-win-no-fee arrangements matter.

Is there a maximum award?+

Compensation is built from a basic award plus a compensatory award, and the compensatory element is capped at a figure up-dated each April. Some dismissals, such as whistleblowing cases, are not subject to that cap. Check the current published cap on GOV.UK before relying on any figure.

Can I claim if my employer says I was dismissed for performance?+

Yes, if the employer cannot show a fair reason handled through a fair process. A performance dismissal with no warnings, no targets and no opportunity to improve is often vulnerable.

This is general information about the employment tribunal process in Great Britain, not legal advice. Time limits and the current compensation cap change, and the qualifying period for ordinary unfair dismissal reduces to six months for dismissals from 1 January 2027. Verify the position for your dates before acting.

The scenarios

Different circumstances, decisions and outcomes for the same service — from a clean-cut case to one where this route is not the right fit.

Scenario A
Straightforward case
England (employment tribunal, Great Britain)

"Performance isn't good enough" — dismissed on a Friday with no warnings ever

A typical case — fictional illustration

The situation

Priya is 34 and has run the night shift at a distribution depot in Warrington for four years. She has never been disciplined. There is no appraisal file, no targets document, no written warning. On a Friday afternoon her manager walks her to a small meeting room, closes the door and hands her a letter that says her performance 'has not been good enough' and that her employment ends that day. A colleague is called in to witness it. Priya is given her final pay, asked to hand back her keys, and walked to the car park before she has had a chance to ask a single question. She drives home with the letter on the passenger seat, already worried about the mortgage.

The problem they face

Priya has lost her income with no warning, no process and no chance to answer the case against her. She has no idea whether this was legal, what she can do about it, or how long she has to act. The letter contains no examples of the performance problem, no prior warnings, and no mention of any right of appeal.

Why this service may help

A dismissal for performance can be fair, but only if the employer genuinely believed performance was poor, had reasonable grounds for that belief after investigating it, and followed a fair process. Warnings, targets and an opportunity to improve are normally part of that. Priya has four years' service, so she meets the qualifying period for ordinary unfair dismissal, and the tribunal is the body that decides whether the employer acted reasonably.

How the process works

Priya must notify Acas to start early conciliation — a free step that is compulsory before a tribunal can accept a claim. The conciliator contacts the employer and offers a chance to settle; if that fails, Priya is issued a certificate and can issue her claim to the employment tribunal. A tribunal then considers both the substance (was there a fair reason?) and the procedure (was it followed fairly?).

Evidence and documents

Her employment contract and the staff handbook, her payslips, the dismissal letter, her shift records and any emails or messages about her performance, the names of colleagues who worked the same shift, and a dated chronology of what was said in the meeting and by whom.

Possible outcomes

Possible outcomes include a settlement during early conciliation, a tribunal finding of unfair dismissal with compensation, or — less favourably — a finding that the employer acted within the range of reasonable responses even though the process was thin. Tribunals rarely order reinstatement; compensation is the usual remedy. The compensatory element is capped, and awards can be reduced if the tribunal thinks the employee contributed to the dismissal.

Costs and timescales

Early conciliation is free and issuing a tribunal claim has been free since tribunal fees were quashed in 2017. Legal representation is optional but not cheap; unions, legal expenses insurance and no-win-no-fee arrangements are the usual ways it is funded. Deadlines are strict — Priya should contact Acas immediately. Early conciliation can run for up to 12 weeks, and hearings are commonly listed months later.

Important limitations

The deadline is the biggest risk and it changed on 1 October 2026: for dismissals on or after that date the limit is generally six months less one day, and for earlier dismissals it was three months less one day. Priya should confirm her dates on the Acas time limits page rather than trusting a general rule. Compensation is capped, costs are not normally recoverable, and 'unfair' in law is narrower than 'unfair' as a matter of ordinary language — losing a case she feels strongly about is possible.

Practical next steps

Priya should write down everything that happened while it is fresh, save the dismissal letter and her contract, and contact Acas early conciliation straight away rather than waiting to find a lawyer first. If she belongs to a union she should call it today. Any email or message from colleagues about staffing levels or performance discussions should be saved before people move on.

Sources

Scenario B
More complex situation
England (employment tribunal, Great Britain)

He reported a dangerous machine — then he was sacked for "stealing" £40 of scrap

A typical case — fictional illustration

The situation

Marek is 41 and has operated presses at a Birmingham engineering works for seven years. In August he put a written safety complaint on record after a guard on press 4 failed a test and a colleague's hand was nearly caught. On 24 September 2026 he was called to a disciplinary hearing and dismissed for gross misconduct — taking £40 of scrap metal. He says the crew had been told for years that offcuts could be taken. CCTV does place him at the skip, but the timestamp is forty minutes out and the second camera angle that would have shown the yard has been 'unavailable' since the day of the hearing. Two colleagues are willing to say a supervisor had told them the scrap was fine, but neither was called. Nobody at the hearing asked him about the safety complaint.

The problem they face

Marek has lost a job he had held for seven years, and the theft allegation has left a stain he says is fabricated. His evidence is contested, the employer's key evidence is unreliable, and he has to work out whether the real reason for the dismissal was the safety complaint. He has also left it late: early conciliation was only started in mid-December 2026.

Why this service may help

Two separate issues run in parallel. First, if the real reason for the dismissal was that he raised a genuine health and safety concern, that is a protected disclosure — an 'automatically unfair' dismissal, where the tribunal must find the dismissal unfair if it accepts the reason, and there is no qualifying period or ordinary cap on compensation. Second, even treating it as a conduct dismissal, the tribunal looks at whether the investigation was reasonable, whether the employer followed its own procedure and whether the sanction fell within the range of reasonable responses. Unevenly disclosed CCTV and uncalled witnesses are exactly the sort of things that matter.

How the process works

The tribunal decides the facts first and then the law. Marek must have an Acas early conciliation certificate. The tribunal will manage the case, order disclosure of documents (including CCTV and the disciplinary file) and hear evidence from both sides. Crucially, he has to prove to a tribunal that the protected disclosure was a material reason for the dismissal, which is why the timing and the absence of any reference to the safety complaint at the hearing both matter.

Evidence and documents

His written safety complaint and the company's response to it, machine maintenance and test records, the disciplinary invitation, minutes and outcome letter, the CCTV footage and its metadata, the internal policy on scrap, statements from the two colleagues, his contract, and any messages about the scrap practice.

Possible outcomes

If the tribunal accepts that the safety complaint was a reason for the dismissal, the finding is automatically unfair and compensation is not subject to the ordinary cap. If it finds only that the investigation was unfair, the remedy is capped compensation and the award may be reduced for his own conduct. And if the tribunal accepts the theft allegation on the balance of probabilities, he loses — which is why the reliability of the CCTV and the missing evidence have to be tested properly rather than asserted.

Costs and timescales

Early conciliation and issuing the claim are free. Complex cases with disputed facts and disclosure take longer to reach a hearing than simple ones, and legal help is the main expense. A settlement during conciliation is a common outcome and often the fastest. Marek's delay in starting early conciliation is the single most dangerous feature of his case.

Important limitations

The dismissal on 24 September 2026 falls before the 1 October 2026 change, so the older three-month time limit is likely to apply to his claim — meaning his mid-December conciliation date may be close to, or beyond, the deadline. There is no extension for slow evidence gathering, and automatically unfair status depends on proving the reason, which is hard where the employer points to apparent misconduct. Advice should be taken immediately on whether the deadline has passed and whether 'not reasonably practicable' arguments apply.

Practical next steps

Marek should get urgent advice on his deadline before doing anything else, then secure the evidence rather than describing it: ask in writing for the CCTV, the scrap policy, the safety complaint and the disciplinary file, and ask both colleagues to write down what they were told and when. He should keep a chronology that separates what he can prove from what he believes.

Sources

Scenario C
Limitations and an alternative route
England (employment tribunal, Great Britain)

Eleven months' service, a bad back, and the words "we need someone reliable"

A typical case — fictional illustration

The situation

Dan is 58 and drove a delivery van for a family-run builders' merchant for eleven months. After a back injury he was off work for five weeks and returned on light duties agreed with his GP. Two weeks later the owner took him aside in the yard, said 'we need someone reliable, Dan', and told him not to come in on Monday. There was no meeting, no letter and no appeal. Dan assumed he had no rights because he had been there less than a year, and nearly threw away the letter his GP had written for work because he was so embarrassed by the whole thing.

The problem they face

Dan has lost his job and three days of accrued holiday pay, and he believes he cannot do anything about it because he had less than two years' service. His belief is half right — which is exactly why this kind of case is often abandoned before anyone checks it.

Why this service may help

This is the scenario where the headline service has real limits, and where the alternative route matters more. An ordinary unfair dismissal claim needs two years' service, so Dan cannot bring one. But the protection that turns on length of service is only one of several: a dismissal connected to a disability can be discrimination under the Equality Act 2010, which has no qualifying period. Separately, if his contract gave him a month's notice, ending it without notice or pay is a breach of contract — a wrongful dismissal claim pursued in the civil courts, not the tribunal.

How the process works

Dan should be assessed for a disability discrimination claim first, because it does not need two years' service and it is where the value usually lies: it covers the dismissal itself and any failure to make reasonable adjustments for his return to work. That claim goes through Acas early conciliation and then to the employment tribunal within a strict time limit. The unpaid holiday pay and notice pay go separately: holiday pay is a tribunal 'unauthorised deduction' claim, and notice pay is normally dealt with by a breach-of-contract claim in the county court, often through the small claims procedure.

Evidence and documents

His contract and any written statement of particulars, the GP fit note and the light-duties agreement, messages confirming what was said in the yard, payslips and holiday records, his start date, and anything showing how other staff with health problems were treated.

Possible outcomes

Realistic outcomes range from a negotiated settlement during early conciliation, to a tribunal award for discrimination, to a modest small-claims judgment for notice and holiday pay. It is also possible that a tribunal finds the injury was not a disability in the legal sense, or that the employer's explanation holds up, in which case the discrimination claim fails even though Dan feels badly treated.

Costs and timescales

Acas early conciliation and tribunal claims are free to issue. The small claims route for a few hundred pounds of notice and holiday pay is designed to be used without a lawyer, though a court fee is payable on a published scale. Discrimination cases are document-heavy and legal advice is worth taking early, particularly on the medical evidence.

Important limitations

The most common trap is assuming 'under two years means nothing can be done' and letting the clock run out — discrimination claims generally must be brought within three months less one day of the act complained of. The second trap is bringing the wrong claim: an ordinary unfair dismissal claim will simply be rejected for lack of qualifying service, which wastes time and can cost credibility. Whether the back condition counts as a disability is a legal question with long-term-effect tests, not just a medical one.

Practical next steps

Dan should get the fit note, the light-duties agreement and the contract together and take free advice straight away — from Acas, Citizens Advice or a law centre — specifically asking about disability discrimination and about notice pay. He should start Acas early conciliation on the discrimination point quickly, and keep the small claims route for the money in reserve.

Sources

Where to go next

If this looks like your situation, find the body that handles it in your country, or check whether another route suits you better.

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