How to split bills in a student house
Five people, one name on the electricity account, and a term that empties the house for six weeks. The arithmetic is easy; the exposure is not.
Head of Content, Expenso
Editorial lead for Expenso’s shared-housing guides
Priya leads Expenso’s editorial work on rent splitting, shared bills and household agreements. Her guides turn common shared-money decisions into methods readers can check and reproduce.
She is responsible for reviewing the arithmetic, examples and practical steps used across Expenso’s housing guides.
Five people, one name on the electricity account, and a term that empties the house for six weeks. The arithmetic is easy; the exposure is not.
Child support covers the predictable costs. The arguments are almost always about the other ones — the school trip, the braces, the boots that no longer fit in November.

Two people, one bedroom, and four people using one kitchen. Neither "per room" nor "per person" survives that on its own.

Not a legal document. A one-page record of the eleven decisions every shared house makes anyway, usually by accident.

Parental leave, study, caregiving or a redundancy. Percentages stop working the moment one of them is zero.

The decision that matters is made before the transfer, not after. Five things, in one message.

Six decisions to make before the first rent payment, in the order that keeps them from turning into arguments.

Pro-rate by day, decide who carries the vacant nights, and recalculate everyone’s share from the day the replacement arrives.

The order to do things in, what to put in writing, and when it stops being a conversation.

Three ways couples hold money, what each one actually solves, and how each one fails.

Four proven methods, the arithmetic behind each, and how to agree on one without anybody feeling short-changed.

A square-footage formula that survives the group chat.

When income-weighted splitting is fairer — and when it backfires.
Free to start, with unlimited expenses and unlimited members. Works on iPhone, Android and the web.