Sharing a Flat with Flatmates: The House Rules to Agree Before You Move In

GET IT ONGoogle PlayChat with sellers and get alerts for new listings in the FastBuySale app.

Flatmates usually fall out over small things, not big ones: a bill nobody paid, a friend who stayed three weeks, dishes in the sink, loud music before an exam. The reason is simple. People move in on trust and never talk about the rules, so the first disagreement is also the first time the rules are discussed. This guide gives you a conversation to have before the keys are handed over, and a one-page outline you can adapt. It is useful for students and young working people sharing a rented flat or room. If you are still looking, read how to rent a room, flat or PG safely.

Updated: 25 October 2026

Start with the landlord's side

Before agreeing anything among yourselves, be clear about the landlord's arrangement.
Whose name is on the rent agreement, one person or all of you?
Does the landlord permit sharing, and how many people may stay?
Who pays the rent to the landlord, and on what date?
How does the security deposit work, and who gets it back?
If only one flatmate signs, that person carries the responsibility to the landlord, and the others should have some written proof of what they have paid to that person. Our rent agreement guide explains agreements in plain language.

The conversation: eight topics

1. Rent and deposit. Decide if the rent is split equally or by room size. Decide how each person's share of the deposit is recorded.
2. Bills. Electricity, water, gas, internet, cook or maid, drinking water: who pays and how is it split? Agree on a date when everyone transfers their share, and on one person who collects and pays.
3. Chores. Cleaning, taking out garbage, kitchen, bathroom. A weekly rotation written on a sheet works better than good intentions.
4. Kitchen and food. Shared groceries or separate? Whose utensils are whose? What happens to food in the fridge?
5. Guests and overnight stays. How much notice, how many nights, and are guests of the opposite sex or family members allowed? Check what the landlord allows too.
6. Noise and study time. Quiet hours at night, music, calls, and the days before exams.
7. Privacy and belongings. Do not borrow without asking, keep common areas tidy, and knock before entering a room.
8. Leaving. How much notice must a flatmate give? Who finds the replacement? How is the deposit share returned?

A one-page flatmate agreement outline

You do not need legal language. A plain page, signed or sent as a group message that everyone acknowledges, is a good start.
Names and contact — All flatmates and an emergency contact for each
Rent split — Amount per person and the due date
Deposit — Who paid how much, and how it is returned
Shared bills — List of bills and the collector
Chores — Weekly schedule
Guests — Notice period and limits
Quiet hours — Times
Exit — Notice days and replacement rule
Review — A date to revisit these rules, for example after one month

A worked example of bill-splitting

Say three flatmates share a flat. The electricity bill arrives. One person has an air cooler running in the room all day. They agree that the electricity bill is split equally across the three of them, except in the months when a heavy appliance runs in only one room, when that person pays a larger share, as per a rule written on the page. Whatever you choose, the point is that it is agreed before the first bill arrives, not after.

Keeping the peace

Hold a ten-minute house meeting at the end of the first week.
Raise a problem early, calmly and about the action, not the person.
Use a shared group chat for house matters, and keep personal chats separate.
Photograph the condition of your own room at move-in, as in our move-in checklist.

When it goes wrong

If a flatmate stops paying, speak to them first and then in writing. If it continues, tell the landlord and consider whether to ask them to leave, according to the agreement. If safety is at risk, contact the local police. Keep calm and keep messages polite and factual.

Latest listings on FastBuySale

Safety tips

Meet in a public, well-lit place and, where possible, take someone with you.
Inspect the item before you pay and check it matches the listing.
Never pay in advance, share OTPs, or move payment outside the agreed meeting.
Keep contact through the listing page — contact details are privacy-gated in the app.
Report suspicious sellers instead of continuing the conversation.

Frequently asked questions

Should the person whose name is on the agreement have extra say?

They carry more responsibility to the landlord, so it is fair to discuss it, but day-to-day rules should still be shared.

What if I am only staying for a few months?

Say so before moving in, and agree on notice and the return of your deposit share.

Can I sublet my room to someone else?

Check your agreement and ask the landlord. Do not sublet in secret.

How do I handle a flatmate who is rarely there but wants to pay less?

Decide on a fair rule at the start, for example that fixed costs are split equally while variable ones are shared by use.

What if we are all strangers?

Meet for a short chat or video call before moving in, and be careful with advance payments to people you have not met.

← Guides

GET IT ONGoogle PlayPost free and reply to buyers faster from your phone.