Roommates

How to split rent and shared bills fairly with roommates

The person in the big room with the attached bathroom shouldn't pay the same as the person in the box room. Here's how to divide a flat's costs so everyone feels it's fair — and it stays that way.

Guide · about 6 min read

Most flatshare money fights aren't really about money — they're about a quiet sense of unfairness that nobody addressed on day one. One person is paying a third of the rent for half the space. Someone always covers the electricity and never quite gets it back. The fix isn't complicated; it's just a set of decisions you make early and stick to.

1. Don't split rent equally by default

Splitting rent by headcount is the path of least resistance, and it's fine when the rooms are genuinely equal. They rarely are. A fairer starting point is to price each room by what it offers, then make the shares add up to the total rent.

Three fair ways to do it:

• By room size. Measure each bedroom (roughly is fine). If the flat is ₹30,000 and the bedrooms are 200, 150 and 100 sq ft, the shares are ₹13,333 / ₹10,000 / ₹6,667.
• By features. Start everyone equal, then add a premium for an attached bathroom, a balcony, more natural light, or a bigger wardrobe — and a discount for street noise or a room next to the kitchen.
• By what people will actually pay. Let each person privately note the most they'd pay for each room, then assign rooms to maximise everyone's happiness. It sounds fussy, but it surfaces disagreements before they become resentment.

Whatever method you pick, the golden rule is that the shares must sum to the exact rent — never a penny more or less. If you nudge one room up, another has to come down.

2. Split common bills equally — but define "common"

Rent tracks the space you occupy alone. Shared services track the household you all use together. Keep them in separate buckets:

• Split equally: Wi-Fi, the shared electricity for common areas, gas, a cleaner or maid, water, society maintenance, shared groceries like salt, oil and dish soap.
• Keep personal: anything only one person uses — an AC running all night in one bedroom, a personal Netflix account, your own groceries.

The classic dispute is the person who barely uses the kitchen paying an equal share of the gas. In practice, trying to meter every unit creates more friction than it saves. Equal splitting of genuinely-shared bills is usually the least resentful option — as long as you drew the line clearly up front.

3. Handle the deposit like the serious money it is

A security deposit is often one or two months' rent, and it's the thing most likely to cause a fight when someone moves out. Two rules save a lot of grief:

• Each person's deposit share should match their rent share. If you pay 40% of the rent, you put in 40% of the deposit — and you get 40% of it back.
• Write down who paid what, the day it's paid. A year later, nobody remembers that you covered a departing flatmate's portion. A dated note settles it instantly.

When someone leaves mid-lease and a new person replaces them, the incoming flatmate pays the outgoing one their deposit share directly — the landlord's deposit stays untouched. That keeps you out of the trap of chasing a landlord for a partial refund.

4. Pick one payer per bill, then settle up

You don't need everyone to pay every bill in fractions. It's cleaner to let one person pay each recurring bill in full, and then square up the differences once a month.

So flatmate A pays the Wi-Fi, B pays the electricity, C pays the cleaner — and at month-end you look at who's paid more than their share and who's paid less, and a couple of transfers make everyone even. This is exactly the kind of running tally an app is good at: you log each bill as it's paid, and the "who owes who" is always up to date, so settling up is two taps instead of a spreadsheet.

5. Write the rules down — once

The single highest-value thing you can do is spend twenty minutes, before anyone moves in, agreeing:

1. Each person's rent share, and how you arrived at it.
2. Which bills are split equally, and which stay personal.
3. Who pays which recurring bill, and when you settle up.
4. What happens to the deposit if someone leaves early.

Put it in a shared note or a pinned message. It's not a legal contract — it's a reference so that a disagreement in month six is settled by reading a line you all agreed to, not by relitigating the whole thing from memory.

Fairness in a flatshare isn't about splitting every rupee to the decimal. It's about everyone agreeing on the rules once, and then never having to think about it again.

Let the app keep the ledger

Once the rules are set, the day-to-day is just logging bills and settling up. That's what Dutcho is for: add a bill in a few words, see each flatmate's running balance, and settle over UPI in a tap — so the shared finances stay clear without anyone playing accountant.