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Sexual Orientation Discrimination UK: Tribunal Claims

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Part ofUK Employment Law Advice

Updated June 2026 · England & Wales
Being treated badly at work because of who you are, or who people assume you are, is not something anyone should have to tolerate. In England, Wales and Scotland, workers are protected from sexual orientation discrimination by the Equality Act 2010, and the Employment Tribunal is the main forum where these claims are decided. This page walks through what the law actually covers, the different shapes discrimination can take, and the practical route to bringing a claim if informal steps have not worked. I have tried to keep the language plain, because employment law is confusing enough without legalese piled on top. If you are weighing up your options, understanding the framework is usually the sensible first step before deciding whether a formal claim is right for you.

Overview

Sexual orientation is one of the nine protected characteristics listed in the Equality Act 2010. The protection covers people who are lesbian, gay, bisexual or heterosexual, and it applies whether the discrimination relates to your actual orientation, an orientation someone wrongly assumes you have, or your association with someone of a particular orientation (for example, a family member or partner).

The Act applies at every stage of the working relationship: job adverts, interviews, terms offered, pay, promotion, training, dismissal, and even references given after you have left. It also reaches beyond conventional employees to cover workers, contractors in many situations, partners in firms, and job applicants.

Employers can be held legally responsible for what their staff do to colleagues during work, unless they can show they took reasonable steps to prevent it. Claims that cannot be resolved internally or through Acas early conciliation usually end up in the Employment Tribunal, which has the power to award compensation, including for injury to feelings.

Key steps

  1. Keep a clear record of what has happened. Write down incidents as soon after they occur as you can, with dates, times, who was present, and what was actually said or done. Keep copies of emails, messages, rota changes, appraisals or anything else that supports your account. Contemporaneous notes tend to carry weight if matters progress.
  2. Raise the issue internally where it is safe to do so. Most employers have a grievance procedure, and using it gives them a chance to put things right and creates a paper trail. Put your complaint in writing, reference the Equality Act 2010 if you feel comfortable doing so, and keep a copy of everything you send and receive.
  3. Contact Acas for early conciliation. Before you can lodge a tribunal claim, you must notify Acas, who offer a free service to try to resolve the dispute without litigation. This step is mandatory and it also pauses the clock on your time limit, which matters because deadlines in discrimination cases are tight.
  4. Submit an ET1 claim form within the time limit. Tribunal claims for discrimination generally need to be brought within three months less one day of the act complained of, adjusted for the conciliation period. The ET1 is completed online via gov.uk and sets out who you are claiming against and what happened.
  5. Prepare for the tribunal process. Once your claim is accepted, the employer files an ET3 response, and the tribunal will issue directions on disclosure, witness statements and hearing dates. Cases can settle at any stage, and many do, but you should be ready to give evidence about what happened and how it affected you.
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 What counts as sexual orientation discrimination at work?
It covers being treated worse because of your actual or perceived sexual orientation, or because of who you associate with. This includes direct unfair treatment, workplace rules that disadvantage people of a particular orientation without good reason, unwanted conduct that creates a hostile environment, and being punished for raising a complaint. Banter, jokes and exclusion can all qualify depending on the context.
Q How long do I have to bring a tribunal claim?
The general rule is three months less one day from the date of the discriminatory act, though the clock is extended while Acas early conciliation is underway. Tribunals can extend the limit where it is just and equitable, but you should not rely on that. If you think you have a claim, act promptly rather than assuming more time will be granted.
Q Do I need to resign before bringing a claim?
No. You can bring a discrimination claim while still employed, and the law protects you from being victimised for doing so. Resigning is a significant step with its own legal consequences, including potential constructive dismissal arguments, so it is worth thinking carefully before walking out. Staying in post often strengthens rather than weakens your position.
Q What compensation can a tribunal award?
Tribunals can award financial losses (such as lost earnings) and a separate sum for injury to feelings, which is banded depending on seriousness. More serious or prolonged discrimination attracts higher awards. Interest can be added, and in some cases aggravated damages are available. There is no statutory cap on discrimination compensation, unlike ordinary unfair dismissal.
Q Does the Equality Act cover me if I am self-employed?
It can do. The Act protects employees, workers, and many contractors providing personal service, as well as partners, office holders and job applicants. Whether you are covered turns on the nature of the working relationship rather than what your contract calls you. If you are unsure, it is worth checking your status before assuming you have no route to claim.
Q What if the discrimination came from a colleague, not my boss?
Employers are generally liable for what their employees do in the course of employment, including harassment by colleagues. They have a defence if they can show they took all reasonable steps to prevent the behaviour, such as training, policies and prompt action when issues arise. In practice, that defence is difficult for employers to establish.
Q Is there a fee to bring an Employment Tribunal claim?
There is no issue fee to bring a claim at present, though policy on this has shifted before and could change. Check gov.uk for the current position before you file. You may still incur costs if you instruct a representative or need expert evidence, and cost orders against parties are possible but relatively uncommon.
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.