How to Set Boundaries at Work (and Make Them Stick)

What Boundaries at Work Actually Look Like

In our view, these five are worth setting.

1. Hours and availability. When you start, stop and reply. Messages after six get an answer the next morning.
2. Workload. How much you can carry well, so a new project means something else moves.
3. Role. What your job is and is not. You are the analyst, not the person who books every team lunch.
4. Personal information. How much of your life comes to work: the appointment, not what it is for.
5. How people speak to you. Tone, interruptions, jokes at your expense. You leave a conversation that turns into shouting.

What are personal boundaries? The limits you set on your own time, energy, information and treatment, plus what you do when someone goes past them.

What are 5 healthy boundaries? The five above. A healthy version of each is specific, said in advance and tied to an action you control.

What is the golden rule of boundaries? Our rule of thumb is simple. A boundary is about your behaviour, not theirs. "Don't message me at night" is a request. "I reply from 8.30" is a boundary, because you keep it.

Why Boundaries Cost Women More at Work

In our view, boundaries are not gendered. Who gets to hold them is.

Start with who gets asked. In 2017, Linda Babcock and colleagues studied tasks everyone would rather someone else did. Women, more than men, volunteered, were asked and said yes. A key driver was the belief that women would say yes.

Higher up, the 2021 Women in the Workplace report from LeanIn.Org and McKinsey found women doing more than men at the same level to support their teams and advance inclusion, work that went unrecognised and unrewarded.

Then the backlash tax. In 2007, Madeline Heilman and Tyler Okimoto found that successful women managers were rated less likeable and less desirable as a boss, a penalty that eased only when there was a clear sign the woman was also warm. Our reading of that research: the same "I can't take that on" can land as focused from him and cold from you.

Finally, the 5pm line matters because of what waits at home. The American Time Use Survey for 2025 found that on days they did household activities, women spent 2.8 hours to men's 2.1, about 40 minutes more, and among adults living with children under six, women spent 2.8 hours a day on childcare to men's 1.7. We think that makes the 9pm message a bigger ask of her than of him.

None of this means the problem is you. In our view, the room is part of it.

How to Set Boundaries at Work

The method is the same for everyone.

1. Pick one. The boundary costing you most this month.
2. Tie it to the work. "I stop at six so I start sharp at eight" beats "I need balance".
3. Say it before it is tested. In our view, a line set in your first week costs less than one drawn in a crisis.
4. Make it about your actions. Say what you will do: reply at 8.30, deliver Thursday, leave the meeting.
5. Hold it through the second ask. In our view, the first push tests whether you meant it. Same words, same tone.
6. Keep dates. A Cleveland Clinic article on boundaries at work advises keeping track of interactions by writing down "the date, time and what happened" each time a line is crossed.
7. Escalate in order. The person, then your manager, then HR, or your manager's manager if your manager is the problem. If the behaviour targets your sex, race, religion, pregnancy or another protected characteristic, the EEOC explains when it counts as harassment under US law, and that is when to involve HR, a union rep or an employment lawyer.

Three things change for women. In our view, framing the boundary around what your manager wants helps, in line with the Heilman finding that visible warmth eased the penalty. In our view, have an answer ready if someone calls it not being a team player. The script below is one. Keep the written trail, and spend the time you protect on the work that gets you promoted. If the yes still comes out before you have thought, people pleasing has its own fixes. For a single request rather than a standing rule, saying no without guilt has the words.

What does it mean to disrespect boundaries? Going past a line you have clearly stated, whether by asking again or going round you. In our view, one slip is a mistake and a pattern is disrespect, and a pattern is what you document.

What strategies might you use in identifying personal and professional boundaries in others? Ask, watch and remember. Ask new colleagues how and when they like to be contacted, watch for the slow reply after hours, and remember it so they never have to say it twice.

What to Say: Scripts for Your Boss, Your Team and the 9pm Message

What to say when someone crosses your boundaries? Name it, restate the line and say what happens next, in one breath: "We agreed I hand over at six. I'll pick this up at 8.30." No apology, no essay.

Your hours, in your status or signature:

"Online 8.30 to 6. Urgent after that? Call me. Otherwise I reply in the morning."

The 9pm message, answered the next morning:

"Saw this first thing. Here's the answer. If something can't wait for morning, a call reaches me faster."

Your manager pushes back a second time:

"I hear that it matters. My answer is the same: one of these moves, and I'd like you to choose which."

Role creep:

"The lunches have sat with me for four months. I'll do this one and set up a rota from next month."

The "not a team player" comment:

"I'm on the team. That's why I'm telling you what I can deliver instead of promising what I can't."

The colleague with personal drama:

"That sounds hard and I want to give it proper attention. I've a deadline at four. Coffee at five?"

Pick one boundary. Write it in one sentence. Say it to one person this week, before it is tested. Then take the same line home, where boundaries with family get their own guide.