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How to Declare Rental Income in Belgium: What You Are Actually Taxed On (2026)

In Belgium you are usually not taxed on the rent you collect. For a home let to a private tenant, you declare only the non-indexed cadastral income, and the tax office calculates the taxable amount as indexed cadastral income x 1.40. Here are the exact codes, the 2026 coefficients and the three cases where the rule changes.

August 4, 2026

8 min. leestijd

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Can My Landlord Charge Me the Property Tax (Précompte Immobilier) in Belgium? (2026)

In a Belgian residential lease the property tax cannot be passed on to the tenant — in any of the three Regions. What the law actually says, what to do if the clause is in your lease anyway, and the reduction most tenant households never claim.

Aug 3, 2026

9 min. leestijd

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Rental Deposit in Belgium: How Many Months, Which Form, and When Do You Get It Back? (2026)

Three months in Flanders, two in Brussels since November 2024, two or three in Wallonia depending on the form. The full picture per Region, with a worked example and the release deadlines.

Aug 1, 2026

8 min. leestijd

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How Long Is a Belgian Residential Lease? 9 Years, Short-Term, or Lifetime (2026)

A Belgian main-residence lease runs for nine years by default — even if the contract says five. Here are the four valid lease lengths, with the real notice periods and exit payments for Flanders, Brussels and Wallonia.

Jul 30, 2026

9 min. leestijd

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Inventory of Fixtures (État des Lieux) in Belgium: Rules, Deadline and a Fill-In Template (2026)

Yes, a detailed move-in inventory is mandatory in all three regions. Here is the deadline, what it must contain, a fill-in template, the registration rules and what happens if there is no inventory.

Jul 24, 2026

7 min. leestijd

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How to Manage a Co-living or HMO Property: Rent by the Room the Right Way

Renting individual rooms on separate leases takes more admin than a whole flat. Here is how to manage a co-living, HMO or student house without drowning in spreadsheets.

Jul 21, 2026

8 min. leestijd

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Registering a Lease in Belgium: The Landlord's Obligation, the Deadline, and What Happens If You Skip It (2026)

In Belgium, registering the lease is the landlord's job — within two months and free of charge. Here's the deadline, the MyRent steps, and why an unregistered lease lets your tenant leave with no notice and no indemnity.

Jul 21, 2026

7 min. leestijd

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How to Calculate Rent Indexation in Belgium (2026): Formula + Worked Example

A practical step-by-step guide to calculating rent indexation in Belgium: the stable health-index formula, a fully worked example with clearly-labelled illustrative numbers, where to find the official Statbel figure, and how regional EPC-based caps can limit the increase.

Jul 19, 2026

5 min. leestijd

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How Much Income Can a Landlord Require? What You Can Legally Ask a Tenant in Belgium (2026)

Can a Belgian landlord require income of three times the rent, and what documents may they ask for? A careful 2026 guide to lawful tenant screening under GDPR and anti-discrimination law.

Jul 18, 2026

6 min. leestijd

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My Landlord Won't Return My Deposit in Belgium — What Can I Do? (2026)

Your landlord is holding your rental deposit in Belgium? Here is how the deposit actually works, what can (and cannot) be deducted, and the free steps to get it back — a 2026 tenant guide.

Jul 18, 2026

6 min. leestijd

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Rent Indexation in Belgium: How Much Can Your Landlord Increase the Rent? (2026)

How much can your landlord raise the rent in Belgium? A clear 2026 guide to rent indexation — the health-index formula, when it applies, how to calculate it, and how to check an increase is legal.

Jul 18, 2026

7 min. leestijd

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My Landlord Isn't Indexing the Rent — What Does That Mean? (Belgium, 2026)

Your landlord in Belgium never raises the rent by indexation. Is that normal, can they suddenly start, and do you have to pay if they ask later? A balanced 2026 guide for tenants and landlords.

Jul 18, 2026

6 min. leestijd

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De ImmoDesk-blog

How to Declare Rental Income in Belgium: What You Are Actually Taxed On (2026)

Can My Landlord Charge Me the Property Tax (Précompte Immobilier) in Belgium? (2026)

Rental Deposit in Belgium: How Many Months, Which Form, and When Do You Get It Back? (2026)

How Long Is a Belgian Residential Lease? 9 Years, Short-Term, or Lifetime (2026)

Inventory of Fixtures (État des Lieux) in Belgium: Rules, Deadline and a Fill-In Template (2026)

How to Manage a Co-living or HMO Property: Rent by the Room the Right Way

Registering a Lease in Belgium: The Landlord's Obligation, the Deadline, and What Happens If You Skip It (2026)

How to Calculate Rent Indexation in Belgium (2026): Formula + Worked Example

How Much Income Can a Landlord Require? What You Can Legally Ask a Tenant in Belgium (2026)

My Landlord Won't Return My Deposit in Belgium — What Can I Do? (2026)

Rent Indexation in Belgium: How Much Can Your Landlord Increase the Rent? (2026)

My Landlord Isn't Indexing the Rent — What Does That Mean? (Belgium, 2026)

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