Cancer in the Workplace: The Questions HR Teams and Managers Actually Ask
I spent more than twenty years in HR before I properly understood what cancer in the workplace actually asks of a manager. I'd written the policies. I thought I knew what "support" meant.
Then I found out what it looks like from the other chair.
That combination of HR experience and lived experience is what this guide is built on. Not theory, the real questions HR teams and managers ask me, answered as honestly as I can.
Cancer touches more workplaces than most people realise. In the UK alone, over 1.5 million employees are affected, either through their own diagnosis or through caring for someone who has one, and that number grows every year.
You don't need to be an expert to get this right. You need the right questions answered, and the confidence to have the conversation.
What's the first thing I should say when someone tells me they have cancer?
You don't need the perfect line. Thank them for telling you, ask how they'd like to keep talking about it, and how much they want colleagues to know. Don't assume their preferences match what yours would be.
Managers often worry so much about saying the wrong thing that they say nothing useful at all. What you don't need to do is fix anything, have a plan ready, or match their emotion. You need to be present, and honest that you're learning this alongside them. The adjustments, the time off, the policy, all of that comes later. That first conversation is about making someone feel safe enough to have the next one.
In practice: Have this conversation somewhere private if you can. If it happens virtually, make sure the employee has support close by afterwards.
Do I have to tell the rest of the team? What's my responsibility around confidentiality?
No. It's the employee's information to share, not yours. Ask directly what they're comfortable with, some want their team told so they get support without having to explain it themselves, others want it kept to the smallest circle possible.
Whatever they choose, write it down and stick to it, including with your own manager or HR, unless there's a genuine safety reason to go further. A cancer diagnosis is "special category" data under GDPR, meaning you can't share it without permission. The trap is assuming silence means secrecy, or that sharing is always kinder. Neither is true. Ask, agree, and check back in, because what someone wants at week one can change by week six.
In practice: Follow up the first conversation in writing, covering what was agreed on wider communication, how to answer colleagues' questions, and next steps.
What if I say the wrong thing?
You might, at some point. That's not a reason to say nothing. Most people going through treatment aren't looking for a manager who gets every word right, they're looking for one who shows up, asks, and is willing to get it slightly wrong and course correct.
A simple "I'm sorry, that wasn't the right way to ask that, can you help me understand" does more good than a rehearsed script ever could. The managers who cause harm usually aren't the ones who ask an awkward question, they're the ones who stay quiet because they're scared of getting it wrong.
In practice: If this is new territory for you, being honest about that builds trust. "I want to support you, but I don't have all the answers yet. I'll find out and do my best."
What do "reasonable adjustments" actually look like for cancer?
Someone diagnosed with cancer is protected under the Equality Act 2010 from the point of diagnosis, for life, with a legal right to reasonable adjustments. In practice this is usually less dramatic than people expect: flexible start times around treatment appointments, working from home on hard fatigue days, a temporary change in workload, or somewhere quiet to rest during a shift. It can also mean adapting standard sick pay or absence management processes.
"Reasonable" doesn't mean minimal, and it doesn't mean unlimited. It means proportionate to the role, the business, and what the person actually needs, which is why a conversation beats a policy checklist every time. Ask the employee what would help before deciding on their behalf.
In practice: Review adjustments at regular intervals rather than setting them once and forgetting them. Don't assume what's reasonable without seeking advice.
How much time off should someone get for treatment? What about sick pay?
This is where policy and compassion have to sit in the same room. Cancer treatment doesn't follow a neat timeline, so a fixed number of sick days rarely fits. It can mean one long period off, or multiple shorter periods with some work in between, and time off may still be needed after active treatment for check-ups and scans.
Some organisations treat cancer-related absence separately from general sickness policy, so it doesn't eat into a standard sick pay allowance or trigger a process built for a different kind of illness. Check what your policy actually allows, most are more flexible than managers assume, and check whether the person might be entitled to statutory sick pay, occupational sick pay, or support through a scheme like Access to Work.
In practice: Give clarity on pay and finances as early as possible. It helps the employee seek additional support early if their pay is likely to be affected.
Someone is returning to work after treatment. What does a good return look like?
Slower than you might think. A phased return, agreed together rather than imposed, gives people room to rebuild stamina without the pressure of being "back to normal" on day one. Fatigue after treatment can last months, so check in properly at regular intervals, not just on day one.
Ask what's changed for them, not just physically but in what matters to them now. Priorities shift after a diagnosis. Mental wellbeing often dips at the point active treatment ends, which frequently coincides with returning to work, so check in on that as well as the physical side.
In practice: Work isn't the only area of life that needs rebuilding after treatment. Leave room in the return to work plan for the employee to reconnect socially and rebuild fitness too.
An employee is caring for a partner, parent or child with cancer. What do they need?
Carers are often juggling hospital appointments, practical care and a full workload, while feeling they shouldn't ask for flexibility because "it's not happening to them." That belief needs correcting early, directly, by their manager.
Carers for someone with a cancer diagnosis are covered by the Equality Act 2010 for the duration of their caring responsibilities, meaning discrimination protection and a legal right to reasonable adjustments. The same tools apply: flexibility around appointments, honest conversations about workload, checking in without waiting to be asked. Carer's leave is a legal right worth mentioning explicitly, most people don't know it exists until someone tells them.
In practice: Work can be a genuine positive for a carer, sometimes the only place they aren't "on call," giving them a sense of achievement outside caring.
How do I keep someone included at work without overloading them, or leaving them out to protect them?
Ask, don't assume, and keep asking. Well-meaning managers sometimes take people off projects or stop inviting them to things "to help them rest." Most of the time that decision should belong to the employee. Being left out of the work and the team can feel like a second loss on top of the diagnosis.
Keep them informed, keep the invitation open, and let them opt in or out each time rather than deciding once and leaving it there. What someone can manage in week two of treatment is rarely what they can manage in week eight. Work can be a genuine positive during cancer, a distraction, a way to hold onto professional identity, a source of feeling useful.
In practice: Include the employee in social invitations and team celebrations even while they're off work. Capacity varies day to day, and being asked matters even if they can't join in.
What does UK law actually require here?
Cancer is automatically classed as a disability under the Equality Act 2010, from the point of diagnosis for life, regardless of type, stage, or how it affects day to day life. That means no discrimination because of the diagnosis, a duty to make reasonable adjustments, and protection from unfavourable treatment connected to it, including during and after treatment.
I'm not a lawyer, and this isn't legal advice, but it's worth knowing this foundation and seeking specialist employment law support where needed. Other UK legislation can apply too, including GDPR, the Health & Safety Act, and rules around access to medical records.
In practice: Always get advice from someone with employment law expertise where needed. Online information dates quickly, and AI tools aren't always accurate.
Someone doesn't want anyone to know about their cancer diagnosis. How do I respect that and still support them?
Their choice comes first, even when it makes your job harder. In some situations you may have a legal responsibility to share their diagnosis with HR or Health & Safety, but always tell the employee if you need to do this, and why.
You can still offer practical support without naming the reason: flexibility logged as personal time, a quiet word about workload, checking in more than usual. Most of what people need doesn't require anyone else to know. It gets harder if attendance or appearance is visibly affected and colleagues start to notice, have that conversation directly and ask what they'd like said, rather than deciding for them or letting speculation fill the gap.
In practice: Agree a simple, true form of words together in advance, so neither of you is forced to improvise if questions come up.
What happens if someone is nearing the end of their life? How do I support them and the team?
This is the situation most managers hope they'll never face, so almost nobody prepares for it. A terminal or incurable diagnosis doesn't necessarily mean the end is imminent, people can and do live and work for months or years afterwards, sometimes managing it much like any other long-term condition.
Follow the employee and their family's lead on what they want colleagues to know, and when. Keep contact going in whatever way the person wants, even at a lower level, and don't disappear because you're unsure what to say. For the wider team, grief and anticipatory grief at work is real and often has nowhere to go. A quiet acknowledgement and space to talk help. Marie Curie and Cruse Bereavement Care both have guidance built for workplaces, worth having ready before you need it.
In practice: As a manager or HR contact, you'll likely be feeling some of the same anticipatory grief as colleagues. Take time to process it yourself, and seek support. This isn't something to carry alone.
What does "good" actually look like when it comes to policy and process?
A policy that names cancer specifically, rather than folding it into general long-term sickness, is best practice, whether that's a standalone policy or a clear section within an existing one. It should cover adjustments, phased returns, and how absence is recorded so it doesn't damage someone's overall record. A short manager briefing means people aren't improvising the most important conversation of someone's year, and a named point of contact means employees aren't repeating their story to a different person each time.
None of this needs to be complicated. It needs to exist before someone needs it, not get written in a panic afterwards. Macmillan Cancer Support has a policy template online that's a good place to start.
In practice: Start with one thing. An awareness session, manager training, or some signposting material can make a real difference on its own.
What next?
If this raised a question about your own team, your own policy, or a situation you're not sure how to handle, get in touch.
Onward With You works with organisations on cancer in the workplace through manager training, policy review and individual case support, through the Cancer Confidence Framework, and with HR and People professionals directly through 1:1 coaching.
Email tara@onwardwithyou.com or book a free exploration call to find out more.
Further resources
Macmillan Cancer Support — practical and emotional support for anyone affected by cancer
Maggie's Cancer Centres — free support located alongside major cancer treatment hospitals
Perci Health — virtual cancer care and workplace support
Marie Curie — the UK's leading end of life charity
