Quick answer: In most cases, bipolar disorder is a protected disability under the UK Equality Act 2010. Your employer must make reasonable adjustments, cannot treat you unfavourably because of your condition, and may be liable for disability discrimination if they do. Disability discrimination is a day-one right, no minimum service is needed to bring a claim.
For employment law purposes in the UK, bipolar disorder is usually treated as a disability. The Equality Act 2010 protects you where you have a physical or mental impairment that has a “substantial and long-term adverse effect” on your ability to carry out normal day-to-day activities. Bipolar is a recognised mental health condition that typically lasts well over 12 months and can affect concentration, sleep, energy, mood, decision making and relationships at work. That is enough to bring it within the legal definition.
You don’t need to think of yourself as “disabled” to be protected. What matters is the effect of the condition on your daily life, not the label.
Yes. The Equality Act 2010 expressly covers mental impairments, and Employment Tribunal decisions have long accepted that bipolar disorder is capable of being a disability under the Act. In practice, employees with bipolar are routinely treated as disabled in claims, particularly where there is a clinical diagnosis and a record of how the condition affects work.
Importantly, the Act protects you even when your symptoms come and go. Bipolar is, by its nature, episodic, and the law has a specific rule for conditions like this. Where a condition has effects that are likely to recur, you are treated as disabled during the well periods too. You do not lose protection simply because you are stable on medication or going through a good spell.
The Act also has a “deemed effect” rule for treatment. When your symptoms are kept under control by medication, therapy or other measures, the law assesses your impairment as if those treatments were not in place. So a colleague who is well today because lithium, mood stabilisers or talking therapy are doing their job is still protected, the question is what the impairment would look like without that support, not what it looks like with it. (One narrow exception: this rule does not apply to eyesight impairments that can be corrected by glasses or contact lenses.)
Once your employer knows, or could reasonably be expected to know, about your bipolar diagnosis, they have clear duties to you under bipolar and employment law UK rules. “Could reasonably be expected to know”, what the law calls constructive knowledge, matters here. If your behaviour, sickness notes, occupational health reports or repeated conversations with your manager have flagged a mental health issue, an employer cannot defend themselves by saying nobody put the diagnosis in writing. You are protected against four main forms of discrimination at work.
Direct discrimination: being treated less favourably because of bipolar. For example, being passed over for promotion or excluded from a project after you disclose your diagnosis.
Indirect discrimination: a workplace rule that applies to everyone but puts you at a particular disadvantage, such as rigid shift patterns that worsen sleep, or rotating night work without flexibility.
Discrimination arising from your disability: being penalised for something connected to bipolar, such as sickness absence during an episode, slower output during a low phase, or behaviour during a manic phase. In our experience, this is the workhorse claim in bipolar cases, you do not need to point to a comparator, and your employer has to justify the unfavourable treatment as a proportionate means of achieving a legitimate aim. Note that this route only applies where your employer knew, or could reasonably have been expected to know, that you had a disability, which is one reason why disclosure, or at least making sure the employer has the means to become aware, matters.
Harassment and victimisation: unwanted conduct linked to your bipolar, including “banter” or stigmatising comments, or being punished for raising concerns about how you are being treated.
Your employer also has a positive duty to make reasonable adjustments so that you are not put at a substantial disadvantage compared with colleagues who don’t have bipolar. They cannot simply wait for you to spell out every change you need. Once they are on notice of your condition, they should be actively exploring what will help, typically through a conversation with you, an occupational health referral, and, where appropriate, support from Access to Work.
Reasonable adjustments for bipolar are practical changes that help you stay well and stay in work. What counts as “reasonable” depends on your role, your symptoms, your workplace and the size of your employer. The following bipolar reasonable adjustments are commonly considered:
Whatever is agreed, ask for it in writing and ask for a date to review it. Bipolar is a fluctuating condition and what works during a stable spell may not be enough during a difficult one, a built-in review point makes it easier to ask for more support without starting the conversation from scratch.
You may also be entitled to support through Access to Work, a government scheme run by the Department for Work and Pensions. Access to Work can fund coaching, equipment or a support worker, and its Mental Health Support Service offers up to nine months of one-to-one help tailored to people with conditions including bipolar. The scheme can pay for support whether you are in a new job, returning to work after a period of illness, or already in post.
If your employer refuses to discuss adjustments, ignores your request, or makes only token changes, that may itself amount to disability discrimination. Experienced disability discrimination solicitors can help you decide whether to raise a grievance, push for adjustments more formally, or take the next legal step.
One of the hardest situations we see is a client being put through a conduct or capability process for behaviour, output or absence that was, in reality, symptomatic of a bipolar episode. A period of poor judgement during a manic phase, withdrawn behaviour during a low spell, or extended absence after a crisis can all be treated by an unaware employer as performance or conduct issues rather than as disability.
The law expects more. Before relying on bipolar related conduct or absence to justify any sanction or dismissal, a reasonable employer should take medical advice, usually from occupational health, consider what adjustments could realistically have prevented or reduced the problem, and apply absence and disciplinary procedures with that medical context in mind. A dismissal that skips those steps is often both unfair dismissal and disability discrimination. Our team has particular experience of advising clients facing dismissal linked to disability.
Important — time limits apply: Disability discrimination claims have strict deadlines. In most cases, you must notify ACAS within three months less one day of the act you’re complaining about. Missing that window can end a strong case before it starts, so take early advice.
If your employer fails to consult you, refuses to investigate your needs, will not make reasonable adjustments for bipolar, performance manages you for symptoms or absence, or dismisses you because of your condition, you may have a claim for disability discrimination, unfair dismissal, or both. There is no minimum length of service required to bring a disability discrimination claim at the Employment Tribunal, the protection is a day-one right. By contrast, the qualifying period for ordinary unfair dismissal is currently two years, though this is due to reduce to six months from 1 January 2027 under the Employment Rights Act 2025.
Time limits are strict. In most cases, you must notify ACAS within three months less one day of the act you’re complaining about. This first step is called early conciliation: a conciliator speaks with you first and, if you agree, contacts your employer to see whether the dispute can be resolved without an Employment Tribunal claim. Early conciliation can last up to 12 weeks, though it often concludes sooner. The clock stops while conciliation runs, then re-starts when it ends, giving you a defined window in which to issue a claim. Missing the deadline can end your case before it starts, so please remember there are strict time limits in employment claims and you should take good free legal advice as soon as possible.
If your case succeeds, the tribunal can order your employer to pay compensation. Disability discrimination awards are uncapped and can include compensation for injury to feelings, financial loss, and, in some cases, a recommendation that the employer takes specific steps to address the adverse effect on you. Unfair dismissal compensation is, for now, subject to a statutory cap, though that cap is due to be removed from 1 January 2027 under the Employment Rights Act 2025, bringing it into line with the existing uncapped position for discrimination claims. Every case is different and outcomes depend on the facts, but it is worth getting early advice rather than assuming nothing will come of it.
In addition to No Win No Fee, Lawson West acts for clients on a range of funding arrangements, including Legal Expenses insurance funding. We’ll assess your case and recommend the funding option that’s best for you.
If you’re worried about how your bipolar is being handled at work, or you believe you’ve been discriminated against because of your condition, please get in touch. Our specialist employment solicitors at Lawson West offer a FREE initial discussion, and we’ll tell you honestly whether we think you have a claim worth pursuing. With offices in Leicester and Market Harborough, and clients right across the UK, we’re a national provider of expert employment law advice and we’re here to help.
Call us on 0116 212 1000 or 01858 445 480, or complete our free online Contact Us form and we’ll be in touch as soon as possible. Please remember, there are strict time limits in employment claims, so don’t wait too long. We’re here to help.
You are not legally required to disclose your diagnosis. But the full protection of the Equality Act, including the right to reasonable adjustments, really only applies once your employer knows, or could reasonably be expected to know, about your condition. We usually recommend telling them in writing, keeping the wording factual and focused on how your symptoms affect your work, and asking for an occupational health referral so the conversation has medical context rather than relying on what your manager happens to understand about mental health.
Yes. The Equality Act expressly says that if your symptoms are kept under control by medication, treatment or other measures, you are still treated as disabled. You do not lose protection because you are stable. The same applies when you are in a well period between episodes, because bipolar’s effects are likely to recur, the law treats you as disabled during the good spells too.
Not without a fair process and proper consideration of reasonable adjustments. Dismissing you because of behaviour or absence linked to bipolar, without that process, can be both unfair dismissal and disability discrimination. Employers are also expected to take medical advice (usually from occupational health) before making any decision about your future, and to consider what adjustments could have prevented the situation from escalating to dismissal.
Comments, jokes or “banter” about bipolar can amount to harassment under the Equality Act if they create an intimidating, hostile, degrading, humiliating or offensive environment. You don’t have to laugh it off, and your employer is responsible for the conduct of its managers and colleagues, unless they can show that they took all reasonable steps to prevent such conduct, for example by maintaining clear anti-harassment policies and ensuring they are properly enforced. The same applies to wider mental health discrimination at work, the law does not require you to put up with it.
In law, yes. Where sickness absence is linked to a disability such as bipolar, your employer should consider adjusting absence triggers, discount disability related absence where it is reasonable to do so, and look at the underlying cause before applying standard procedures. A failure to do this is a common ingredient in successful disability discrimination claims.
The strongest cases are built on a clear paper trail: GP letters, psychiatric reports, occupational health assessments, your written adjustment requests, your employer’s responses, performance reviews, and notes of meetings. A dated mood diary, even a few lines in a notebook, a phone app, or one of the free trackers like Bipolar UK’s mood tracker, helps show how the condition has affected you over time. Start keeping a record now, before you need it. Even rough notes can make a real difference later.
Your initial discussion with our team is FREE. We also offer No Win No Fee arrangements and can use Legal Expenses insurance funding where it applies. We’ll assess your case and recommend the funding option that works best for you.
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