HomeGuidesRental managementRental management and accounting

Rental management and accounting: what to track

What accounting records to keep as a landlord? Income, expenses, tax return.

EH Par Edouard Hennin 1 min de lecture Mis a jour le May 28, 2026
Sommaire · 4 sections Reduire ▴

What to track in rental accounting

Income

IncomeFrequencyDocument
RentMonthlyBank statement
Recoverable chargesMonthly/quarterlyInvoices + statement
Charge adjustmentAnnualAnnual statement

Expenses

ExpenseFrequencyDocument
Property taxAnnualTax assessment notice
InsuranceAnnualPolicy and receipt
Co-ownership chargesMonthly/quarterlyManagement agent statement
Works and repairsAd hocInvoices
Bank charges (mortgage)MonthlyBank statement

For detailed tax information, see our guide on rental taxation.

Tracking tools

Spreadsheet (Excel/Google Sheets)

A simple spreadsheet is sufficient for 1-3 properties:

  • One tab per property
  • Columns: date, description, amount, category
  • Automatic monthly and annual totals
  • Tracking charts

Rental management software

For 3+ properties, dedicated software offers:

  • Automated rent tracking
  • Receipt generation
  • Unpaid rent alerts
  • Tax reports

For a comparison of tools, see our guide on rent tracking spreadsheet.

Dedicated bank account

AdvantageDetail
ClarityAll rental cash flows on a single account
ProofFacilitates demonstrating payments
TaxSimplified tax return preparation
ManagementImmediate overview

Tax return preparation

Documents to gather

DocumentTax use
Cadastral incomeTax base (private rental)
Total rent receivedTax base (company rental)
Property tax paidDeduction
Mortgage interestDeduction
Certificate of each leaseJustification

Tax calendar

DeadlineAction
February-MarchGather documents
April-JuneComplete the personal income tax return
SeptemberPay the property tax
OctoberAdjustment if supplement due

For tax details, see our guide on rental taxation.

Best practices

Organisation

  1. Record each transaction on the same day
  2. Scan and file each invoice immediately
  3. Do a monthly accounting review (15 minutes)
  4. Prepare an annual balance sheet per property

Key indicators

IndicatorFormulaTarget
Gross yieldAnnual rent / Purchase price> 4%
Net yield(Rent - Charges) / Purchase price> 2.5%
Vacancy rateEmpty months / 12< 5%
Unpaid rateUnpaid / Rent due< 2%

For further reading, see our guides on rental management and property investment. Use our lease generator for compliant contracts.

Verifie & redige par
Edouard Hennin
Real estate expert since 2018, Edouard supports Belgian landlords and tenants through their rental processes. He oversees the writing of every guide in collaboration with the legal team and ensures all content reflects current legislation in Brussels, Wallonia and Flanders.
Voir tous les articles de Hennin →
Publie May 28, 2026
Derniere verification May 28, 2026
← Tous les articles
Take action

Manage all your leases in one tool

14-day free trial, no card required.

Start - 14 days free