Property valuation: how to determine the right asking price for your home

A property valuation is the first - and arguably the most important - step when selling your home. Price it too high and potential buyers will walk away. Price it too low and you leave money on the table. An accurate valuation protects you from both pitfalls and gives you a solid foundation from which to negotiate with confidence. In this article we explain how a professional valuation works, which methods exist and why it makes all the difference.

Why an accurate valuation matters so much

Many sellers start with an instinctive feeling about what their property is worth. That feeling is more often wrong than right. Emotional attachment to a home clouds judgement, and comparisons with neighbouring properties or online listings are rarely reliable.

An asking price that is too high leads to long selling times. Properties that sit on the market develop a negative reputation. Buyers start to wonder what is wrong with them. Eventually you have to reduce the price anyway - but from a weakened position. A realistic price from the outset attracts more interested parties and leads more quickly to an offer close to the asking price.

What exactly is a property valuation?

A property valuation is a professional assessment of your home's market value at a given point in time. The assessor takes a range of factors into account: location, the condition of the property, the energy performance certificate (EPC), the habitable floor area, the year of construction and recent comparable sales in the area.

There is a distinction between a formal valuation report drawn up by a sworn valuer and a market appraisal carried out by an IPI-recognised estate agent. For a standard sale, the second option is sufficient. The agent knows the local market inside out and understands what buyers in your municipality are willing to pay today.

In 2026, the Belgian property market remains under pressure from a combination of higher construction costs, fluctuating interest rates and growing demand for energy-efficient homes. Average property prices still vary considerably by region. In Flanders, the median price for a standard house sits at around €330,000, while in Wallonia it is closer to €200,000. Brussels operates according to its own dynamics, with prices that vary significantly from one municipality to the next. A local valuation therefore gives you a far more accurate picture than any online tool.

The three most commonly used methods to value a home

There are several ways to determine the value of a property. Each has its advantages and disadvantages.

1. Comparative market analysis
Your property is compared with recently sold properties in the same area that share similar characteristics: surface area, type, year of construction, condition and EPC rating. This is the method estate agents use most often. It requires access to actual sale prices - not the asking prices you see advertised online. For most owners looking to sell their home, this is the most practical and accurate approach.

2. Income approach
For investment properties, the value is calculated on the basis of rental income and expected yield. This is less relevant for owners selling their own home, but does come into play for apartments or mixed-use properties.

3. Cost approach
This method estimates the value of the land plus the reconstruction value of the building, reduced for depreciation. It is used more often by insurers than by property professionals in a standard residential sale.

Online valuation tool versus a professional appraisal by an estate agent

Many owners start with an online valuation tool. That is understandable - it is quick, free and gives a first impression. But these tools rely on statistical models and do not account for the specific characteristics of your property. A renovated bathroom, a sunny garden or a recently replaced roof simply do not register in an algorithm.

An IPI-recognised estate agent visits your home, asks targeted questions and compares your property with recently sold homes in your area. This produces a far more accurate guide price. What is more, a free valuation by an estate agent is entirely non-binding. Through our free valuation page you can submit a request to recognised agents in your region straight away.

Online tools can be useful for orientation, but nothing replaces an in-person visit when it comes to setting a well-founded asking price.

Which factors determine the value of your home?

A property valuation weighs up dozens of elements. The most important are:

• Location: The neighbourhood, proximity to schools, public transport and local amenities all play a significant role.
• EPC rating: Since the stricter energy standards introduced in 2025-2026, a poor energy label has a mea