Property valuation in Belgium: how it works and what it costs

A property valuation is the first step every seller should take before putting their home on the market. An asking price that is too high drives buyers away. A price that is too low costs you money you will never recover. Both situations are avoidable if you start from a correct, well-founded valuation.

What is an official property valuation?

A valuation - also referred to as a property appraisal or expert report - is a professional assessment of the market value of your property at a given point in time. That market value reflects what an average, informed buyer is willing to pay under normal market conditions.

In Belgium, this type of assessment is carried out by three categories of professionals: a CIB-recognised estate agent, a sworn valuer, or a mortgage expert appointed by a bank. Each category has a different approach and a different purpose. An estate agent values with a view to selling, a sworn valuer produces a legally usable document, and a bank expert works on behalf of the lending institution.

For sellers, a valuation by a recognised estate agent is generally the most practical choice. It is free, non-binding, and directly linked to the sales strategy. Through ImmoMakelaarVergelijker you can request up to three CIB-recognised agents from your area, each of whom will carry out a free valuation.

What methods do valuers and agents use?

Several methods exist for determining the value of a property. The choice depends on the type of property and the purpose of the valuation.

Comparative method: This is the most widely used approach for residential property. The valuer compares your home with similar properties that have recently sold in the same neighbourhood. Price per square metre, year of construction, condition, and location all play a role. In 2025 and 2026, transaction databases such as those of Statbel and the Federation of Notaries have become the standard reference for this type of analysis.

Cost method: This involves calculating the theoretical replacement value, reduced by depreciation for age and wear. Useful for new-build properties or unusual homes for which little comparable data exists.

Income method: For investment properties or commercial premises, the valuer bases the calculation on rental income and yield to arrive at a capital value. Less relevant for the average owner-occupier.

An experienced estate agent typically combines the comparative method with their knowledge of local market dynamics. This often makes their valuation more accurate than what an online tool or algorithm can provide.

What determines the value of your property in 2026?

The Belgian property market remained relatively stable in 2025 and early 2026, but with clear regional differences. In Antwerp and Ghent, average prices for a family home exceed 350,000 euros. In rural areas of Wallonia, properties can sometimes be found for under 180,000 euros. This spread makes local expertise essential.

The following factors carry the most weight in a valuation:

• Location: proximity to schools, public transport, shops and green spaces
• EPC rating: energy performance has become an increasingly decisive factor in Flanders following the introduction of the renovation obligation
• Habitable floor area: net living space carries more weight than total plot size for urban properties
• Condition: recently renovated kitchens, bathrooms and roofs noticeably increase value
• Planning situation: permitted extensions, building line plans and any existing encumbrances

A poor EPC rating can already knock thousands of euros off the sale price in Flanders today, as buyers factor in the mandatory renovation costs they will face.

Free valuation by an estate agent or a paid expert report?

This is a question many sellers ask. The answer depends on your situation.

A free valuation by a recognised estate agent is sufficient in most cases as preparation for a sale. The agent has a commercial incentive to give you an accurate value. A deliberate under- or over-valuation damages their own credibility and your trust in them.

A paid, sworn valuation is appropriate in specific situations: inheritances, divorces, compulsory purchases, tax declarations, or when you need the report as a legally valid document. The cost is typically between 300 and 800 euros, depending on the complexity and type of property.

Would you like to know what your property is worth without committing to an agent straight away? Through our free valuation page you will receive an initial indication, after which recognised local agents will contact you to arrange a detailed on-site visit.

Why online valuation tools have their limitations

Automated valuation tools - also known as AVMs (Automated Valuation Models) - are useful for a first orientation. But they have structural limitations that can prove costly for sellers.

Algorithms are based on available transaction data. They do not know your property from the inside. They do not know that you have just installed a brand-new central heating system, that your garden is immaculately maintained, or that your neighbours recently received planning permission for a large outbuilding. All of these factors influence the real market value, yet no algorithm processes them automatically.

Furthermore, data in rural municipalities or for atypical properties is often too sparse to produce reliable estimates. In such cases, an online valuation can deviate by 15 to 25 per cent from the actual market value. On an average Belgian property, that represents a difference of tens of thousands of euros.

The only way to obtain a reliable valuation is to have an expert assess your property with their own eyes. Compare recognised agents today and have your property valued for free by professionals who know your local market.

How to prepare for a valuation

Good preparation helps you get the most out of the visits and prevents the valuer or agent from noting negative points that you could have addressed yourself.

Make sure all documents are ready: the EPC certificate, the electrical inspection report, the soil certificate, the planning information, and any floor plans or building permit applications. Agents and valuers appreciate transparency and respond to it positively in their report.

Also make the property presentable before the visit. A tidy, well-lit space looks larger and well cared for. This influences perception - even among professional visitors.

Finally, always request multiple valuations. Price differences between agents are normal and informative. They give you a range within which you can set the asking price yourself, together with the agent you ultimately choose.

Frequently asked questions about property valuation

The next step

A correct property valuation is not a luxury - it is the foundation of any sound sales strategy. Whether you are planning to sell soon or simply want to know what your property is worth: have it assessed by someone who knows the local market. Through ImmoMakelaarVergelijker you can compare recognised agents in your area free of charge and with no obligation, and schedule a visit without any commitment.