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Disability Discrimination Tribunal Claim UK Guide

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Part ofUK Employment Law Advice

Updated June 2026 · England & Wales
Being treated unfairly at work because of a disability is damaging, both professionally and personally. If you suspect your employer has discriminated against you, knowing where you stand legally is the first step towards doing something about it. This guide walks through how disability discrimination is defined under UK law, the different forms it can take, and how a claim is brought before an employment tribunal. I've written it to give you a practical grounding, not a textbook, so you can work out whether you might have a case and what your next sensible move should be. Tribunal claims have strict deadlines and evidential hurdles, so acting promptly matters. Whether you're still in the job, facing dismissal, or already out of work, the principles below apply across recruitment, day-to-day treatment, promotion decisions, and how your employment comes to an end.

Overview

Disability discrimination at work is governed by the Equality Act 2010, which sets out the protections available to disabled workers, job applicants, and in some cases former employees. The Act covers every stage of the employment relationship, from the job advert through to the reference given after you leave.

To bring a claim, you generally need to show three things: that you meet the legal definition of disability, that something your employer did (or failed to do) amounted to one of the prohibited forms of discrimination, and that this caused you some form of disadvantage. A disability, in legal terms, means a physical or mental impairment that has a substantial and long-term negative effect on your ability to carry out normal day-to-day activities.

Long-term typically means it has lasted, or is likely to last, at least twelve months. Some conditions, such as cancer, HIV, and multiple sclerosis, are treated as disabilities automatically from the point of diagnosis. The disadvantage you suffer doesn't have to be financial, it can include things like being passed over, humiliated, or forced out of a role.

Key steps

  1. Identify the type of discrimination. Work out which category your situation falls into: direct discrimination, indirect discrimination, discrimination arising from disability, harassment, victimisation, or failure to make reasonable adjustments. The same set of facts can sometimes support more than one type of claim, and the legal test for each is different. 2. Gather your evidence. Start collecting everything relevant while it's fresh: emails, text messages, meeting notes, sickness records, occupational health reports, and the names of anyone who witnessed what happened. Keep a dated diary of incidents. Medical evidence confirming your condition and how it affects you will usually be central to the case. 3. Raise it internally first. In most cases it's sensible to put your complaint in writing to your employer through a formal grievance before going to tribunal. This gives the employer a chance to put things right and shows the tribunal you acted reasonably. Keep copies of everything you send and every response you receive. 4. Notify Acas for early conciliation. Before you can lodge a tribunal claim, you must contact Acas and go through their early conciliation process. This pauses the clock on the claim deadline and gives both sides a chance to reach a settlement without a hearing. You'll receive a certificate at the end, which you need to submit your claim. 5. Submit your ET1 claim form. Tribunal claims are started using the ET1 form, which can be filed online through the gov.uk tribunal service. The deadline is generally three months less one day from the act you're complaining about, though early conciliation can extend this slightly. Missing the deadline is usually fatal to a claim, so don't delay.
If you're dealing with this kind of situation, a call with an experienced legal adviser can help you work out the right next step — from £149.

Common questions

Q How long do I have to bring a disability discrimination claim?
The standard time limit is three months less one day from the date of the discriminatory act. If there's a series of linked incidents, the clock usually runs from the last one. The Acas early conciliation process can extend this window slightly. Tribunals rarely accept claims filed late, so it pays to start the process well before the deadline rather than leaving it to the wire.
Q What counts as a reasonable adjustment?
Reasonable adjustments are practical changes an employer should make to remove disadvantages a disabled employee faces. Examples include altering working hours, providing specialist equipment, changing a physical workspace, or adjusting duties. What's reasonable depends on factors like the cost, the size of the employer, and how much the change would actually help. If your employer refuses to engage with adjustments, that failure can itself form the basis of a claim.
Q Do I need to tell my employer about my disability?
An employer can only be expected to act on knowledge they have or ought reasonably to have. If you've never disclosed a condition and there are no obvious signs, it's harder to argue they discriminated. That said, 'ought to have known' covers situations where the signs were plainly there. Putting disability on record, for example through occupational health or HR, strengthens your position if problems arise later.
Q How much compensation can I get?
Compensation in discrimination cases is not capped, unlike ordinary unfair dismissal awards. It typically covers loss of earnings, injury to feelings, and sometimes personal injury such as psychiatric harm. Injury to feelings awards fall into bands depending on how serious the discrimination was. The actual amount varies hugely based on your circumstances, the length of any loss, and how the employer behaved.
Q Can I claim if I'm still employed?
Yes. You don't have to resign or be dismissed to bring a discrimination claim. Many claims are brought by people still in post, for example where adjustments have been refused or where harassment is ongoing. Raising a grievance internally is usually the sensible first step, and the law protects you from being victimised because you've complained about discrimination.
Q What if my condition isn't obvious or fluctuates?
Plenty of disabilities are hidden or vary in severity, including mental health conditions, chronic pain, and neurological disorders. The legal test looks at the impact of the condition without the effects of treatment or medication. Fluctuating conditions can still meet the definition if the substantial effect is likely to recur. Medical evidence explaining the pattern of your condition is usually important here.
Q Should I accept a settlement offer?
Settlement offers, often made through a settlement agreement or Acas COT3, can be a quick way to resolve things without the stress and uncertainty of a hearing. Whether to accept depends on the strength of your case, what you're being offered, and what you want out of the process. Think carefully before signing, because these agreements usually end your right to pursue the claim further.
If you're dealing with this kind of situation, a call with an experienced legal adviser can help you work out the right next step — from £149.

Sources

This guide is based on primary UK law and official guidance.

Brad Askew, Solicitor (non-practising)

Written & reviewed by

Brad Askew Solicitor (non-practising)

Brad is on the roll of solicitors of England & Wales but does not hold a practising certificate and does not provide legal advice. LegalDocuments.co.uk is not a law firm and does not provide regulated legal advice.

Legal disclaimer
This article is for general information only. It is a tool to help you find your way — not legal advice, and not a substitute for speaking to a qualified adviser about your situation.