Closing the month
One action ends the billing month. It is the hinge the whole ledger turns on, and it is the only thing in Doorbook that rewrites every room at once.
What closing actually does
- Files the month into history — the whole property's figures, and each room's own record.
- Turns this month's meter readings into next month's opening readings.
- Carries anything still outstanding onto the next bill as a brought-forward line.
- Clears each room's payment status and its one-off adjustment, ready for a fresh month.
- Advances the billing month by one.
Before you close
- Every room you intend to bill has both meters read.
- Payments that have already arrived are marked, because what is unpaid at the moment of closing is what gets carried forward.
- Any discount or surcharge for the month is applied — it is cleared by closing.
If you closed too early
Doorbook keeps an undo record of the state immediately before the last close, so a cycle closed by accident can be reversed and put back the way it was. It is a safety net for the mistake you notice straight away, not a general time machine — do not rely on it to unwind a month you have since worked in.
History and how much is kept
The most recent 24 months stay in the live book, per room and for the property as a whole. Older months are moved to an archive on the device rather than deleted, so the analytics and the Excel export can still reach them while the part that syncs between your devices stays small.
Read next
What the numbers tell you
What Doorbook's analytics show: billed against collected each month, collection rate, which rooms use the most power, and each room's own 24-month history.
NextHow the bill is worked out
What goes into a Doorbook bill: rent, internet, metered electricity and water, a one-off discount or surcharge, and anything left unpaid from last month.