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Flatmate interview questions that actually tell you something

By Ted — founder, Rumy · Updated 25 July 2026

Skip "so, do you like the room?". The questions worth asking map to the five things share houses actually fight about — rhythm, cleanliness, money, guests and communication — and the best ones ask about the last house, not the imagined future, because past behaviour is the only honest predictor anyone carries into an interview.

Here's the working list, what each question reveals, and the answers that should make you look closer.

Rhythm and schedule

Mismatched body clocks cause more quiet resentment than any unwashed pan.

  • "Walk me through your actual weekday — when does it start and end?" Reveals the real schedule, not the aspirational one.
  • "What's your default Friday night?" Host, guest, or door closed — none are wrong, but the house has a default too.
  • "How do you feel about noise after 10pm — making it and hearing it?" Both directions matter.
  • "When do you cook, and is 11pm stir-fry a you thing?" Kitchens are the shared-rhythm pressure point.

Cleaning

Never ask "are you clean?" — everyone says yes and means something different. Make them define it.

  • "What does 'clean enough' look like in a kitchen, specifically?" You're listening for their baseline, not their ideals.
  • "How did cleaning actually work in your last house — and what annoyed you about it?" The complaint tells you their standard; the system tells you what they'll tolerate.
  • "Dishes: straight away, end of night, or when the sink files a complaint?" A small question that predicts a daily interaction.
  • "Whose job were the bins at your old place?" If they don't know, that's the answer.

Money

Awkward for ninety seconds now, or corrosive for a year later. Pick now.

  • "How do you want to handle bills — and how did your last house do it?" Vagueness here is a flag; a system is a green light.
  • "Have you ever had a money disagreement in a share house? How did it end?" Everyone has one. What matters is whether it got resolved like adults.
  • "Where are you at with notice on your current place?" Someone stuck paying double rent negotiates differently to someone free next week.

Guests and partners

  • "How often do you have people over, realistically?" Get a number, not a mood.
  • "How do you feel about partners staying — theirs and yours?" The three-nights-a-week partner is a de facto housemate who pays nothing; agree the norm before it's personal.
  • "What does a good Sunday at home look like?" A gentle question that quietly reveals social battery, tidiness and rhythm in one answer.

Communication and conflict

This is the meta-category. Houses don't break because problems happen; they break because nobody says anything until the note appears on the fridge.

  • "Last time a housemate annoyed you — what did you do about it?" The only question here that really matters. Listen for whether they spoke to the person.
  • "Group chat, house meeting, or corridor chat — how should small stuff get raised?" No wrong answer; mismatched answers are the problem.
  • "What would make you want to leave a house?" Their deal-breakers are data you can't get any other way.

Answers that should give you pause

  • "I'm easy-going, whatever works" to every single question — you've learned nothing, and someone with no preferences has preferences they haven't disclosed.
  • Trash-talks every previous housemate. The common factor in all their bad houses is in your living room.
  • Vague about money, notice, or why they're leaving the current place.
  • "I'm basically never home" — they will be, and it's their home too when they are.
  • No questions back. People who intend to live somewhere interrogate it.

Make it mutual

You're being interviewed too. Offer your own answers to the same questions unprompted — it sets the honesty bar and good applicants relax visibly when you go first. If you want a lighter opener before the real conversation, send them the housemate quiz and compare results.

And when you've chosen each other: rent, bond, bills and notice go in writing while everyone's still delighted. The free VIC flatmate agreement takes five minutes.

Rumy matches you with households that fit how you live — AI compatibility matching across behavioural domains, before anyone messages.

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