Ill Health Retirement: How It Works And What Evidence Helps
By Mobile Occupational Therapist • 20 September 2026 • 15 min read
Ill health retirement (sometimes called ill health early retirement) is when you take your workplace pension earlier than planned because your health means you cannot keep doing your job, or sometimes cannot work at all. It is not a benefit you automatically get because you are unwell. It is a decision under your pension scheme rules, usually based on medical evidence and a clear description of how your health affects what you can do.
The process can feel opaque because different schemes use different wording, and some have two tiers (for example, one level if you cannot do your current job, and a higher level if you are unlikely to be able to do any regular paid work). This article explains how ill health retirement usually works in the UK, what evidence tends to carry weight, what to consider before you apply, and where a functional occupational therapy report can fit.
What ill health retirement is (and what it is not)
Ill health retirement means your pension scheme agrees you meet their criteria to access your pension early on health grounds. In many schemes, the key question is not just "Are you ill?" but "Does your illness or disability stop you doing your role, and for how long?"
What it is not:
- Not the State Pension. State Pension age and rules are separate.
- Not the same as being signed off sick. A fit note can support the story, but sick leave is an employment issue and ill health retirement is a pension scheme decision.
- Not a diagnosis contest. A clear diagnosis can help, but many decisions are made on functional impact and prognosis. Some people have disabling symptoms without a neat label.
- Not something an employer can simply "grant". Your employer may start the process and may be the decision maker under your scheme rules, but they usually have to base the decision on medical advice provided for the scheme. In other schemes, the pension scheme administrator or trustees make the decision under the scheme rules.
Different schemes use different terms, but you may see phrases like permanently incapable, incapable of discharging your duties, likelihood of gainful employment, or efficiency of the service. If you are in the NHS Pension Scheme and searching for "ill health early retirement NHS pension", the important point is the same: your scheme has its own test. Ask HR or the scheme administrator for the exact criteria and the form of evidence they want.
How the ill health retirement process usually works
Every scheme has its own steps, but the overall shape is often similar. If you are exhausted, take this as a map so you know what usually happens next.
1) You (or your manager) raises it as an option
This might happen after a long sickness absence, repeated absences, a phased return that has not worked, or because you are still at work but hanging on by your fingernails.
Before you do anything formal, it can help to ask for a copy of:
- your pension scheme ill health retirement criteria
- the application form and guidance notes
- any policy your employer has on medical capability, redeployment, or retirement on health grounds
2) Occupational health is often involved
Many employers refer you to occupational health (OH) to understand what you can do at work, what adjustments might help, and whether ill health retirement is being considered. OH is not there to "catch you out". They are there to advise the employer about fitness for work, restrictions, and options.
If you have never been through this, read occupational health referral: what happens and how to prepare. It can reduce the stress, especially if your symptoms fluctuate or you find appointments draining.
3) A formal application is made
In some workplaces you apply directly to the pension scheme. In others your employer submits the application once certain steps are completed (for example, OH input and attempts at workplace adjustments). The form usually asks for:
- your job role and main duties
- your medical conditions and treatments
- what adjustments have been tried
- your view of whether you can return to your role, and within what timescale
Try not to panic if the form wording feels blunt. These are legal and financial decisions, so schemes tend to write in a "tick box" style even when real life is messy.
4) Evidence is gathered
This is where many applications succeed or fail. A decision-maker needs enough detail to match your situation to the scheme criteria. "X has anxiety" or "X has back pain" rarely answers the real question: what can you reliably do, day after day, and what happens when you try?
We cover evidence in depth below.
5) An independent medical adviser may give an opinion
Some schemes use their own medical adviser (sometimes called an independent registered medical practitioner). They may review papers only, or they may speak to you. They are usually asked to comment on:
- diagnosis and severity
- prognosis (how likely improvement is, and over what broad timeframe)
- whether you meet the scheme definition of incapacity
This can feel impersonal. It helps to remember they can only base an opinion on what is written down and what they are told. That is why good evidence matters.
6) A decision is made (and there may be an appeal route)
If the decision is "no", there is often a formal review or appeal process with deadlines. Get the refusal reasons in writing and treat them like a checklist of what was missing. If the decision is "yes", you will get confirmation of the tier or level awarded and what happens next (for example, leaving employment, and pension payment start arrangements). Ask how tax works in your circumstances and where to get independent guidance.
What evidence helps an ill health retirement application
Evidence is strongest when it is specific, consistent, and functional. It should show the "so what?" of your condition: how it affects safety, reliability, pace, and sustainability at work and in daily life.
Medical evidence (GP and specialist input)
Your GP and any relevant consultant letters can help, especially where they include:
- confirmed diagnoses (and any relevant test results)
- current symptoms and severity
- treatments tried, what helped, and what did not
- side effects that affect functioning (for example, sedation, dizziness, cognitive slowing) without giving medication advice
- prognosis in plain terms, including whether improvement is expected and what would need to change for work to be realistic
If you are waiting for investigations or a specialist appointment, say so. Lack of a final diagnosis does not mean you are fine. But you will need to describe the functional impact clearly, and the uncertainty about prognosis can make some schemes cautious.
Functional evidence (what you can and cannot do)
Functional evidence is often the difference between a vague application and a convincing one. It can include:
- OH reports describing restrictions and why they matter
- a manager's description of performance impact (for example, errors, speed, attendance, safety concerns) with examples
- your own day-to-day account of what happens when you try to do key work tasks
- therapy reports (for example occupational therapy) focusing on function, not just diagnosis
To make this concrete, many schemes are really asking about four things:
- Reliability: Can you do the task as needed, or is it hit and miss?
- Repeatability: Can you do it again tomorrow, or do you crash afterwards?
- Safety: Are there risks to you, colleagues, or the public?
- Sustainability: Can you do it for the required hours, with the required concentration and pace?
It helps to write your information in "task language". For example, instead of "I get fatigued", say "After 20 minutes at a screen I develop headache and blurred concentration. If I push through, I make mistakes and need to lie down. I cannot reliably sustain meetings or documentation for a full morning, even with breaks."
Evidence that you have tried appropriate treatment and work options
Many schemes want to know what has already been tried. Include:
- treatment plans and follow-up (for example pain clinic, mental health support, rehabilitation, investigations)
- workplace adjustments attempted and the outcome
- any redeployment discussions and why roles were not suitable
This is not about proving you have suffered "enough". It is about showing that ill health retirement is being considered after realistic options have been explored.
How to write your own statement (without burning yourself out)
If you have to write a personal statement, aim for calm and factual. A simple structure is:
- Your role: the key duties that matter most.
- Your health: the main symptoms that interfere with work.
- What happens at work: what you cannot do, what you can only do with support, and what is unsafe.
- What you have tried: treatments and workplace options.
- Your best realistic view: whether returning to your role is likely, and what would need to be true for that to happen.
Keep copies of everything you submit. If you speak to someone on the phone, note the date, name, and what was agreed.
Alternatives to consider before ill health retirement
Sometimes ill health retirement is clearly the right answer. Sometimes it is offered because everyone has run out of ideas. Before you apply, it is worth checking you have looked at the main alternatives, because they can also strengthen an application if they have been tried and failed.
Reasonable adjustments
If you are disabled under the Equality Act, your employer may have a duty to make reasonable adjustments. Adjustments can include changes to duties, hours, location, equipment, targets, supervision, and absence triggers. The point is not comfort. The point is whether changes make work possible.
See reasonable adjustments at work: examples and how to ask for practical wording you can use and the kind of evidence that supports a request.
Phased return, reduced hours, or a different pattern
Some people are not able to return to full-time, but can manage part-time with a slower build. Others need fixed start and finish times to manage fatigue, pain, medication effects, or caring responsibilities alongside their health.
See phased return to work: how it works and how to plan one. If you have already tried a phased return that did not work, document exactly why. "I tried" is less helpful than "I managed two mornings a week for three weeks, then needed three days in bed after each shift and my GP extended my fit note."
Redeployment or changing role
Some schemes and employers will expect redeployment to have been considered, especially if the scheme test is about being unable to do your current job rather than any work. Redeployment can be genuine help, but it can also be a box-ticking exercise. Try to get clarity on:
- what roles were considered
- what the essential duties were
- why they were or were not feasible (for example travel, pace, physical demands, cognitive load)
Capability processes and dismissal on health grounds
It is possible to be dismissed on capability grounds and still not qualify for ill health retirement. Equally, some people qualify for ill health retirement without a long capability process. They are related but not identical. If you are unsure about your rights, getting advice early can help. Acas and your union are often a sensible first step.
Where occupational therapy fits (and where it does not)
An occupational therapist (OT) looks at how your health affects your ability to do everyday activities. In an employment context, that often means how your symptoms affect your work tasks, what helps, and what makes things worse.
An OT cannot "approve" ill health retirement and cannot override your scheme rules. But a functional OT assessment can be useful because it translates symptoms into evidence about function, such as:
- how long you can sit, stand, walk, use stairs, or use your hands before symptoms escalate
- cognitive demands such as attention, memory, planning, processing speed, and the impact of fatigue
- sensory issues (noise, light, busy environments) and how they affect performance
- risk factors, for example falls risk, errors under pressure, or inability to respond safely in an emergency
- what adjustments are likely to help, and what is unlikely to be enough
If you need a report that focuses on function and work capacity, this is the kind of work covered by functional assessments and reports. If your goal is to stay in work if at all possible, an OT may also help with practical workstation or job task changes, covered under work ergonomics.
When an OT is not the right professional: if the key question is medication, diagnosis, or medical prognosis, that is usually for your GP or consultant. If you need a work capability or legal opinion, you may need union support, HR guidance, and independent advice services.
Benefits, tax, and "will I be worse off?"
Money is often the unspoken driver in ill health retirement decisions. People worry about losing their home, supporting children, or simply paying bills while unwell. You deserve clear information, but it is hard to give general answers because it depends on your scheme and your wider circumstances.
A few general points to take to your scheme or an adviser:
- Pension and tax: pension income is usually taxable. Ask how it will be paid and what the tax position is for your circumstances.
- Means-tested benefits: some benefits depend on income and savings. A pension payment can affect entitlement. Check before you commit to a decision.
- Disability benefits: some benefits are based on how your condition affects daily living and mobility rather than whether you are working. If you are considering applying, get up-to-date guidance from official sources.
- Timing matters: when your employment ends, when pension starts, and what happens to sick pay can all change the picture.
For help understanding options, people often start with their union (if they have one), the pension scheme administrators, Acas, and independent guidance services. If you are dealing with debt or housing worries alongside health problems, do not wait until crisis point to ask for support.
Common reasons applications fail (and how to avoid them)
The evidence describes the condition, not the impact
Decision-makers rarely meet you. They decide based on paperwork. Spell out the functional impact on the duties that matter, and link it to real examples.
It does not address the scheme test
Some schemes focus on your current job. Some focus on any regular paid work. If the form asks about "any gainful employment", do not only talk about your current role. Explain what would limit other work too, such as fatigue, pain, cognitive problems, unpredictable symptoms, or inability to travel reliably.
Fluctuating conditions are written up as contradictions
If you have good days and bad days, write it that way. Describe patterns and triggers. "I can sometimes do X" is not the same as "I can reliably do X for a job". Being clear about variability can stop an assessor assuming you are exaggerating when different reports sound different.
Adjustments have not been considered
If adjustments have not been tried, a scheme may conclude work is still possible. If adjustments have been tried and failed, document that clearly, including what was tried and what happened.
People wait until they are at breaking point
This is common. If you can, start gathering evidence and asking for reports before you are completely depleted. It is harder to write clearly when you are unwell and frightened.
Frequently asked questions
Is ill health retirement the same as being medically retired?
People use the terms interchangeably, but "ill health retirement" is usually the pension scheme term. It means your scheme has accepted you meet their criteria to take your pension early on health grounds. "Medical retirement" is often a shorthand used in workplaces.
Do I have to be signed off sick to apply?
Not always. Some people apply while still in work, especially if they are struggling despite adjustments. But many applications happen during sickness absence because it is clear the person cannot sustain their role. Your scheme rules and employer process matter more than the label on your fit note.
What if my condition fluctuates or I have not got a firm diagnosis yet?
You can still provide strong evidence by focusing on function: what you can do on an average day, what triggers deterioration, how long recovery takes, and what risks exist at work. If you are waiting for investigations, include that information so the decision-maker understands why prognosis is uncertain.
Can I work again after ill health retirement?
Sometimes, yes, depending on your scheme rules and the tier you are awarded. Some schemes restrict future work, some review cases, and some allow work within limits. Do not assume. Ask the scheme to explain in writing what is allowed and what you must tell them about.
What if my application is refused?
Ask for the reasons in writing and the next steps in the scheme process, including timescales for any review or appeal. Then look at what evidence could address the refusal points. Many refusals come down to missing functional detail, unclear prognosis, or lack of information about adjustments and redeployment.
What is the difference between occupational health and an independent medical adviser?
Occupational health advises your employer about fitness for work and adjustments. An independent medical adviser (where used) usually advises the pension scheme about whether you meet the scheme criteria for ill health retirement. Both may use medical evidence, but they are answering different questions.
Next steps
If you need evidence that focuses on what you can and cannot do in real life, see our functional assessments and reports page or current guide prices, and choose your area below.
Talk to an occupational therapist near you
This guide is general information. For advice about your own situation - or someone you look after - a local occupational therapist can visit you at home and see it for themselves.
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