Belgium Property Transaction Costs: What You Actually Pay

Belgian estate agents and property portals quote purchase prices. They rarely quote the total amount of cash you need to complete a purchase. These are not the same number. In Belgium, the gap between the two — often described as "notary costs" by buyers who haven't investigated closely — typically runs between 10% and 15% of the purchase price depending on the region, whether you need a mortgage, and whether you qualify for reduced registration duty rates. On a €400,000 purchase in Brussels, the difference between the list price and the total funds required can easily exceed €50,000.

Here is a precise breakdown of every cost category, what drives it, and how the numbers look across each region.

The four cost categories

Belgian property transaction costs divide into four components: registration duty, the notary's professional fee, administrative costs, and (if applicable) mortgage deed costs. The first component dominates.

1. Registration duty

Registration duty (droit d'enregistrement / registratierechten) is the property transfer tax, calculated as a percentage of the purchase price. It is by far the largest closing cost, and it varies dramatically by region:

Brussels partially offsets its 12.5% rate with an abatement mechanism: the first €200,000 of the purchase price is exempt from taxation, saving up to €25,000 — but only for buyers who occupy the property, whose total purchase price does not exceed €600,000, and who do not own other residential property anywhere in the world.

For a €350,000 primary residence:

• Flanders: €7,000
• Wallonia: €10,500
• Brussels (with abatement): €18,750
• Brussels (without abatement): €43,750

2. Notary professional fee

The notary's personal fee for handling the purchase transaction is fixed by Royal Decree and cannot be negotiated or varied between notarial offices. It applies the same across all three regions. The scale is degressive — the percentage decreases as the price increases.

Approximate fees (excluding 21% VAT that applies on top):

• €200,000 property: approximately €2,160
• €300,000 property: approximately €2,500
• €400,000 property: approximately €2,800
• €500,000+ property: typically below 1% of purchase price effective rate

Add 21% VAT to these figures. On a €400,000 purchase, the notary's net fee plus VAT is approximately €3,400.

Important: Both buyer and seller are entitled to appoint their own independent notary in Belgium. This doubles the notarial involvement but not the cost — the single fixed fee is shared 50/50 between the two offices. Appointing your own notary as a foreign buyer comes at zero additional cost.

3. Administrative costs

Beyond their professional fee, notaries charge separately for the third-party costs they incur on your behalf: ordering cadastral extracts, obtaining urban planning certificates from the municipality, securing soil contamination data (required in Flanders), and paying transcription costs at the Hypotheekkantoor. These are capped charges, typically ranging from €650 to €1,250 depending on the property and location.

4. Mortgage deed costs (if financing)

If your purchase is financed through a Belgian bank mortgage, a second independent legal instrument is required: the acte de crédit (mortgage credit deed). This document is drafted and executed simultaneously with the purchase deed, but it is a completely separate notarial act with its own fee structure.

Mortgage deed costs include:

• A second notary fee, calculated on the borrowed amount at a degressive scale (approximately 0.3% to 0.5% of the loan)
• Additional administrative costs: €700–€1,200
• Mortgage Registration Tax: 1% of the borrowed amount, a flat government levy applied to the loan sum registered against the property in the mortgage registry

On a €280,000 mortgage (70% of a €400,000 property with a 30% expat down payment):

• Mortgage registration tax: €2,800
• Notary fee for credit deed: approximately €1,200–€1,400
• Administrative costs: approximately €900

Total mortgage deed costs on this scenario: approximately €5,000.

All-in cost examples

The following shows estimated total closing costs for a €350,000 primary residence purchase, with a €245,000 mortgage (70% LTV reflecting typical non-resident lending terms), including all four components.

Flanders (primary residence, qualifies for 2% rate):

• Registration duty: €7,000
• Notary fee (purchase deed): €3,200 incl. VAT
• Administrative costs: €900
• Mortgage registration tax: €2,450
• Mortgage deed notary + admin: €2,300
• Total additional costs: approximately €15,850
• Total cash needed: approximately €105,000 + €15,850 = ~€121,000 (30% down payment + costs)

Brussels (primary residence, qualifies for abatement):

• Registration duty: (€350,000 − €200,000) × 12.5% = €18,750
• Notary fee (purchase deed): €3,200 incl. VAT
• Administrative costs: €950
• Mortgage registration tax: €2,450
• Mortgage deed notary + admin: €2,300
• Total additional costs: approximately €27,650
• Total cash needed: approximately €105,000 + €27,650 = ~€133,000

Brussels (primary residence, does not qualify for abatement — e.g., owns flat abroad):

• Registration duty: €350,000 × 12.5% = €43,750
• Other costs as above: approximately €8,900
• Total additional costs: approximately €52,650

What is not included in these figures

Transaction costs as calculated above do not include:

• Estate agent commission — in Belgium, the seller typically pays this, so it is usually not a direct buyer cost, though it effectively influences the negotiated price
• Home inspection or building survey — not legally required, but advisable, particularly for older properties. Budget €500–€1,500
• EPC/PEB renovation costs — if you purchase a property in Flanders with an E or F energy rating, a legal obligation to renovate to a minimum D label within five years applies from the date of the notarial deed. This obligation can cost tens of thousands of euros and is not reflected in transaction costs
• Moving and setup costs — utilities connection, temporary storage, and relocation fees
• Annual property taxes — the précompte immobilier (property withholding tax) becomes your responsibility from the year after purchase

Timing of payment

Registration duty and all notary costs are paid in the days immediately before the signing of the acte authentique. The notary will provide a precise settlement statement — the "relevé de frais" — itemising every charge. You transfer the full outstanding balance (remaining 90% of the purchase price plus all costs) to the notary's escrow account before the signing ceremony.

Practical planning implications

The most common financial shock for expat buyers in Belgium is discovering the true total cash requirement only after the compromis is signed. Belgian banks will not finance closing costs — only the property value (and typically only 70–80% of it for non-resident borrowers). Every euro of registration duty, notary fees, and mortgage registration tax must come from your own equity.

For a detailed cost calculator and region-specific guidance on qualifying for reduced registration duty rates, the Belgium Expat Property Guide walks through the full financial picture.

See more Belgium guides →