Mental health-related absence is one of the most common issues we get asked about, and one of the trickiest for employers to get right. Handle it well, and you protect your employee and your business. Handle it badly, and you risk a longer absence, a damaged relationship, or a tribunal claim. Here is how to approach it properly.
Why this needs a considered approach
Mental health-related absence rarely follows a predictable pattern. It might be a single period of signed-off sick leave, a series of short absences, or a long-term condition that flares up from time to time. Employers often default to treating it the same as a broken leg or a bout of flu, but that approach tends to fall short of what might be needed here, as recovery from a mental health issue is rarely linera.
Mental health conditions can also meet the legal definition of a disability, which brings extra obligations into play. Getting the early handling right makes a real difference to how the situation develops.
Your legal position
If an employee’s mental health condition has a substantial and long-term effect on their ability to carry out normal day-to-day activities, it is likely to meet the definition of a disability under the Equality Act 2010. This does not need to be a diagnosed condition. Depression, anxiety, and trauma-related conditions can all qualify, depending on the impact and duration.
Where a disability is in play, you have a duty to make reasonable adjustments. You also need to be careful that any decisions taken around absence, performance, or dismissal are not influenced, even unconsciously, by the underlying condition. Getting this wrong can lead to discrimination claims, which sit outside the usual two-yearqualifying period for unfair dismissal and carry uncapped compensation.
Separately, under the Employment Rights Act 1996, employees also have protection against unfair dismissal once they have the qualifying service, so any decision to manage someone out on capability or long-term absencegrounds needs to follow a fair and reasonable process.
How to manage the absence itself
Keep in touch, but keep it light. A supportive check-in shows you care, but frequent or heavy-handed contact can feel like pressure. Agree with the employee how and when they would like to be contacted, and stick to it; and ensure that if they’ve asked for a particular contact route, you stick to it.
Ask for fit notes and read them properly. A fit note may recommend adjustments such as a phased return, amended duties, or altered hours. These are recommendations from a medical professional and should not be dismissed without good reason.
Consider an occupational health referral or asking an employees therapist or coach some specific questions (with their consent). This is one of the most useful tools available. A good health report will help you understand the likely timeframe for return, what adjustments might help, and whether the condition is likely to meet the definition of a disability.
Plan the return to work properly. A return from mental health-related absence often benefits from a phased approach, whether that is reduced hours, a temporary change in duties, or extra check-ins for the first few weeks back. Do not assume someone can simply pick up exactly where they left off.
Think about reasonable adjustments early. This might include flexible hours, a change in reporting line, adjusted targets, or additional support from a manager. What is reasonable will depend on your business, the role, and the individual circumstances, so this is worth getting right rather than assuming a one-size-fits-all approach will do.
Managing repeated or long-term absence
Short, frequent absences and one long continuous absence need to be looked at differently, but both require a fair and consistent process.
For persistent short-term absence, look at whether there is an underlying pattern or trigger, and address that directly with the employee rather than jumping straight to formal action. For a long continuous absence, keep the lines of communication open, use occupational health input to understand prognosis, and consider what adjustments might support a return before you start thinking about next steps.
If absence reaches the point where you are considering formal capability proceedings, tread carefully. You need clear evidence that you have explored adjustments, sought medical evidence, and given the employee a genuine opportunity to improve or return before any decision is taken. Skipping these steps is one of the most common reasons capability dismissals are found to be unfair.
Employer takeaways
- Mental health conditions can meet the legal definition of a disability, even without a long-standing diagnosis.
- Keep in touch during absence but agree the frequency and method with the employee.
- Use occupational health referrals to get a clear picture of prognosis and adjustments.
- Plan a phased or supported return rather than expecting an immediate return to normal.
- Before any formal capability process, make sure adjustments have genuinely been explored and documented.
The bottom line
Managing mental health absence well is not about ticking boxes. It is about combining a fair, consistent process with genuine support for the individual involved. Get the early steps right, and most situations resolve without ever needing to reach a formal stage.
Need help managing a mental health-related absence or reviewing your sickness policy? Get in touch at enquiries@thrivelaw.co.uk or call 0113 869 8101.
