Keeping one household ledger when you are living in two places
Long-distance commuting, a job in another city, a child at university abroad. One household paying rent and bills in two places needs a book that shows both, and a rule for what counts as household spending.
One person takes a job three hours away and rents a small flat during the week. A couple lives in different cities for a year while a contract runs. A student moves abroad and the family is still paying for most of it. In each case there is one household in every sense that matters and two sets of bills, and the ordinary way of keeping a record — one person, one place, one pattern of spending — stops describing the situation.
The result is usually a book that is accurate about one location and vague about the other, which is worse than it sounds. The vague half tends to be the expensive half, because a second household duplicates precisely the fixed costs that are large.
The thing that actually distorts the picture
When people imagine the cost of living apart, they think of the travel. The travel is visible and irritating and it is rarely the main number. The main number is duplication of the things you only need one of: a second rent, a second set of utility payments, a second broadband contract, a second council or local tax where that applies, and the food arrangements of one person living alone, which are notoriously more expensive per person than the same person eating at home.
That last item deserves a moment. Someone living alone in a rented room during the week does not cook the way the household cooks. There is no economy of scale, there is usually less equipment, and there is a lot more buying of single portions. The weekday food line for one person away frequently rivals the whole household food line at home, and it is invisible unless somebody is recording it.
Once you can see the duplication and the travel side by side, the arrangement can be assessed honestly, including the possibility that it is not paying for itself. That is a legitimate finding and it is one people avoid discovering, understandably, because the arrangement usually exists for a good reason.
Decide what counts as household spending, once
This is the decision that everything else depends on and it is worth making explicitly rather than letting it evolve. There are three positions and each is reasonable.
Everything is household spending
Both locations, all costs, one book. This is the simplest to run and the truest picture of what the arrangement costs, and it works best when the money is pooled anyway. Its weakness is that the person living away has their entire daily life visible in a shared record, including the coffees and the pints, and that can start to feel like being audited from a distance.
Household costs only, in both places
Rent and bills in both locations, plus travel between them, plus anything shared. Personal daily spending in either place stays out. This is usually the most comfortable arrangement, and it still captures the duplication, which is the thing you most needed to see.
One location is the household, the other is an allowance
The home is tracked normally; the second location is a monthly figure that covers everything and is not itemised. This is much less informative and it is honest about being a summary, which puts it ahead of the common alternative of pretending to track something nobody is actually recording.
The practical problems, and what solves them
Living apart introduces a handful of specific annoyances that are worth anticipating.
- Two people recording into one book from two places means both need to be writing, in the moment, on their own phone. An arrangement where one person collects receipts and sends them over on Sunday fails the same way it fails when people live together, only faster, because there is no evening conversation to fill in the gaps.
- Currencies, if one location is abroad. Decide once whether you record in the currency you paid or convert everything, and be consistent. Converting at the moment of recording is usually simpler than converting later, and a note with the original amount costs nothing.
- Duplicated categories. Two rents, two energy bills. Either label them by location in the note or keep separate categories for the second place. Merging them into one rent figure produces a number that describes nothing.
- Travel between the two, which is properly a cost of the arrangement and belongs in its own category rather than mixed into ordinary commuting. It is the number most likely to be quoted when the arrangement is reviewed.
- Timezones and dates, if the gap is large enough. An entry made late at night in one place can land on a different day in the other. It does not matter for a month total and it does matter when you are trying to match entries against a statement.
The part that is not about money
A shared book between two households has a social property that a single-address book does not. When you live together, a record is something you both see the raw material of anyway. When you live apart, the record may be the main way each of you learns what the other has been doing, and that is a very different thing.
Two consequences follow. First, restraint in what you look at matters more. Scanning a partner’s daily entries from another city, in the absence of the ordinary context of living together, produces a distorted impression very easily — a run of takeaways looks like carelessness until you remember there is one saucepan in the flat. Second, it is worth agreeing what is out of scope, so that the answer to a question about a purchase can legitimately be that it was personal.
Households that manage this well tend to look at the record together, on a call, about once a month, rather than each reading it separately whenever they are curious. The difference is that the first is a conversation and the second is surveillance, even when the entries are identical.
When the arrangement ends
At some point the second location closes: the contract finishes, the course ends, somebody moves. It is worth marking that date in the record, because the months either side of it are not comparable and you will otherwise spend an evening next year wondering why the spring looks so strange.
It is also the one moment when the whole arrangement can be totalled honestly: what the duplication cost, what the travel cost, and what came in because of it. Whether the answer is comfortable or not, it is the number you will want the next time a similar decision comes up, and it exists only if somebody wrote things down while it was happening.
Frequently asked questions
Should we keep one ledger or two while living in different places?
One, with the location noted on the entries that are location-specific. Two separate books make the duplicated fixed costs — the second rent, the second set of bills — invisible as a group, and that duplication is usually the largest cost of the arrangement rather than the travel.
What counts as household spending when one person lives away?
Most households settle on rent and bills in both places, plus travel between them, plus anything genuinely shared, with personal daily spending in either location kept out. It captures the duplication, which is the thing you needed to see, without putting one person’s whole daily life on display.
How do we handle two currencies in one ledger?
Pick one approach and stay with it: either record in the currency you paid and convert when you review, or convert at the moment of recording. Converting as you go is usually less work, and writing the original amount into the note costs nothing and settles arguments later.
Why does living apart cost so much more than the train fares suggest?
Because the expensive part is duplication rather than travel. A second rent, second utilities, second broadband and the food arrangements of one person living alone together dwarf the fares in most cases. Food for one away from home is particularly easy to underestimate.
How do we avoid the shared book feeling like surveillance from a distance?
Agree what is out of scope so a purchase can legitimately be personal, and look at the record together about once a month rather than each reading it alone whenever curious. The same entries feel entirely different in a conversation and in a solo inspection.
Try it for one month
Fambook gives a household one shared ledger: anyone can add an entry in seconds, every entry says who spent it, and the month adds up in one place instead of two. Records with no signal and syncs afterwards. Recording, categories, budgets, statistics, CSV import and export, sync and sharing for two people are free — the subscription only buys you less typing.