The seven numbers worth reviewing in your rental portfolio each month

A portfolio can look healthy in a spreadsheet while quietly becoming harder to run. Occupancy is high, yet several rent payments arrive late. Income is rising, but so is maintenance spending. A refurbishment budget still looks comfortable because the final invoices have not arrived.

A useful rental portfolio dashboard brings those signals together. It should help you decide what to investigate, who needs to act and what cash the business will need next. These seven measures are a practical starting point, whether you manage ten apartments or several buildings.

1. Occupancy, with the empty days visible

Show occupied unit-days divided by available unit-days for the month. Counting days gives a clearer picture than a photograph taken on the last day, when a newly signed agreement might hide three weeks of vacancy.

Keep commercial availability separate from physical vacancy. A home undergoing a planned renovation is different from one that is ready but has no tenant. Record both, using consistent definitions, so excluding refurbishment units does not quietly flatter performance.

Beside the percentage, list the longest empty units and their next action. The useful question is usually specific: is the delay caused by the price, unfinished work, weak enquiries or an unresolved application?

2. Rent collected against rent due

Compare cash received for the month's charges with rent due for that same period. Separately identify payments clearing older arrears. Otherwise, a large payment of last month's debt can make current collection look stronger than it is.

For example, if £20,000 was due and £19,200 of those charges was paid, current-period collection is 96%. Receiving another £1,000 against historic arrears improves cash, but it does not change that 96% figure.

Show the collection date too. A portfolio that eventually collects everything may still face pressure if loan payments and suppliers fall due first.

3. Arrears by age and next step

A single arrears total hides very different situations. Separate recent missed payments, older balances and agreed payment arrangements. Keep disputed charges identifiable rather than presenting every balance as an undisputed debt.

Then add ownership: who last contacted the tenant, what was agreed and when the next review is due? The dashboard should make a missed follow-up visible without turning a sensitive conversation into a traffic-light score alone.

Collection processes must follow the tenancy and applicable local law. In England, the government's landlord overview of the Renters' Rights Act explains the current framework; another country's procedure should never be copied into an English tenancy workflow.

4. Net operating income, using a written definition

For internal management, define net operating income as rental and other property operating income less property operating expenses, before financing, tax and major capital works. State whether you use cash or accrual accounting and which costs are included.

Compare actual performance with budget and the same period last year. A lower result might reflect vacancy, utilities paid by the owner, a major repair or a changed management fee. Those explanations lead to different decisions.

Keep this operational measure separate from taxable profit. HMRC's property-income guidance makes clear that tax treatment depends on the type of expense and the taxpayer's circumstances.

5. Open repairs, sorted by consequence

Count urgent open jobs, overdue commitments and repeat faults. An average completion time can conceal an unresolved serious issue behind dozens of quickly closed minor tasks.

A better monthly view shows the oldest unresolved priority jobs, why they remain open and the date promised to the resident. Review safety and habitability issues first; mandatory work does not become optional because its financial payback is hard to measure.

In England, the government's repairs guidance describes important landlord responsibilities. Across a European portfolio, keep the relevant rules attached to each jurisdiction rather than assuming one maintenance policy covers every building.

6. Cost of getting a unit ready again

Track cleaning, repairs, replacements and empty days between occupancies. Review the full changeover cost, not just the contractor's invoice.

Recurring damage to the same fitting may justify a different specification. Repeated inspection delays may call for a scheduling change. The number matters because it points to a repeatable improvement, not because every unit should cost the same.

7. Committed spending and available cash

Show approved work, orders placed, invoices received and invoices paid as distinct stages. Include the expected timing of upcoming payments and a reserve for identified building needs.

This prevents a familiar surprise: the budget appears unspent, while the business is already committed to most of it. Compare the next few months of obligations with realistic expected receipts, rather than treating the bank balance as spare capital.

Turn the review into a short action list

Close the monthly review with three decisions: what needs attention now, who owns it and when progress will be checked. Keep definitions stable; explain changes instead of silently rewriting history.

Explore ESTATEREAL OS to see how connected rent records, maintenance and property costs can support a more organised monthly review.