Why houses are expensive in Belgium: 8 economic reasons

Why houses are expensive in Belgium A question on everyone's lips: why have homes in Belgium become so unaffordable? Ten years ago you could buy a reasonably decent house for €200,000. Today you easily pay €350,000 for the same property. This is no coincidence - there are concrete economic reasons behind this explosion in house prices. In this analysis we explain why houses are so expensive.

1. Housing scarcity (supply < demand)

The biggest reason: there are simply too few homes for too many buyers.

The causes:

• Belgian municipalities are not building enough new housing
• Much land is reserved for other purposes (industry, agriculture, public land)
• Spatial planning rules are strict - you cannot build just anywhere
• Construction procedures take a long time (permits, bureaucracy)

The consequence:
More buyers than available homes = prices go up. This is basic economics: demand higher than supply = price rises.

The numbers:
In Brussels and across Belgium, the housing shortage is chronic. For every property sold, there are at least 2 to 3 potential buyers interested. This pushes prices up sharply.

2. Low interest rates (until 2022)

For the past 15 years, interest rates were historically low. This was a golden era for buying - but it drove prices up considerably.

How it worked:

• Low rates (0.5% to 1.5%) meant low monthly repayments
• If you borrow €300,000 at 3% interest: you pay roughly €1,300/month
• The same loan at 5% interest: you pay roughly €1,600/month

The consequence:
With low rates, more people could get a mortgage, so demand for homes increased. And more demand = higher prices.

Recent shift:
In 2022-2023, rates rose sharply (3% → 5%). This should have pushed prices down. But the opposite happened - many properties were sold quickly before rates climbed even higher. This triggered a last-minute rush, which actually drove prices up further.

3. Inflation and rising costs

Everything has become more expensive - including homes.

What is rising:

• Building materials: timber, steel, cement, insulation - all at least 20-30% more expensive since 2020
• Labour: construction workers demand higher wages (understandably, given inflation)
• Energy: this affects renovation work and the transport of materials
• Land prices: because land is scarce, its price is rising too

Example:
A house that cost €300,000 to build in 2019 now costs €380,000+ for the same quality.

Consequence:
Sellers ask for more because their costs were higher. This puts upward pressure on the entire market.

4. Investors and speculators

Many wealthy foreigners, companies and private investors buy properties not to live in - but to make money.

What happens:

• Investors buy properties speculatively
• They renovate them cheaply and sell them at a high price
• Or they rent them out at high rents
• This draws large amounts of capital into property

The problem:
This capital squeezes ordinary buyers out of the market. Investors can bid more because they do not need to live in the property - they see it as an investment. This drives up prices for everyone.

The numbers:
In Brussels, approximately 30-40% of all housing is owned by investors or companies - not by families who actually live there.

5. Registration duties and transaction costs (passed on by sellers)

Sellers face significant costs when selling. They pass these on in the asking price.

Costs involved:

• Registration duties (paid by the buyer - 3% for an own and only home in Wallonia and 12.5% otherwise; 12.5% in Brussels, with the first €200,000 exempt for an own and only home priced at most €600,000): roughly €12,000-€50,000 on a €400,000 home
• Estate agent commission (3-4%): roughly €12,000-€16,000
• Notary fees: roughly €3,000-€5,000

Total: roughly €27,000-€70,000 on the sale of a €400,000 home!

Consequence:
Sellers increase their asking price to recoup these costs. This weighs on the entire market. A house that is "worth" €380,000 is put on the market at €420,000 so that the seller receives around €350,000 net.

6. The low number of new builds

Belgium does not build enough new homes for its population.

The figures:

• Belgium builds around 50,000 to 60,000 homes a year
• But the population keeps growing (immigration, household break-ups)
• Estimates suggest around 80,000 to 100,000 homes a year would need to be built

Why:

• Cities are growing (Brussels, Liège, Namur)
• Young people are looking for a first home
• Household break-ups (two homes needed instead of one)
• Ageing (parents live longer, so houses stay occupied for longer)

Consequence:
Undersupply = rising prices.

7. Lending conditions and affordability

Banks are stricter about granting mortgages. That reduces the number of potential buyers.

What happened:

• Before 2008: banks granted mortgages easily
• After 2008 (financial crisis): much stricter conditions
• Today: you need a stable income, savings and a good credit file

Consequence:
Fewer potential buyers can afford a property. That should push prices down. Instead, we see that those who can buy pay a lot because competition is fierce (many well-off buyers, few properties).

This creates a divide: well-off buyers pay a lot; middle-class and lower-income households spend an excessive share of their income. Many give up.

8. Psychology and FOMO (Fear of Missing Out)

It may sound simple, but it really is a factor in its own right.

The effect:

• Houses keep getting more expensive
• Buyers feel the pressure: "If I don't buy now, I won't be able to in a year"
• That leads to overbidding: "I'll offer €30,000 above the asking price"
• That pushes everything up

The role of the media:
Newspapers write constantly about rising prices. That reinforces the sense of scarcity and pushes buyers to rush.

Why are houses especially expensive in Brussels and the big cities?

The most expensive properties are in Brussels, Liège, Namur: the big cities.

The causes:

• Employment (more jobs)
• Education (better schools)
• Public transport (a car is not essential)
• Culture and nightlife
• Other residents: people want to be where the people are

Consequence:
Everyone wants to live in the city, but there are not enough homes. That pushes prices to absurd levels.

The figures (December 2025):

• Brussels: average €450,000+
• Liège: €400,000+
• Namur: €400,000+
• Smaller municipalities: €250,000 to €300,000

Will this change?

Honestly: not any time soon.

Positive factors:

• Interest rates are stabilising (they will not keep rising forever)
• Some municipalities are building more (public support exists for new builds in Wallonia and Brussels)
• Electric transport makes the countryside more attractive (you no longer necessarily have to live close to work)

Negative factors:

• The population keeps growing (immigration)
• Land is permanently scarce
• Investors keep buying
• The political will to build on a large scale is lacking

Realistically: Property prices will not fall sharply, but they could stabilise. Growth in line with inflation is more likely.

How do you deal with this as a buyer?

This advice is hard to hear, but:

Accept that houses are expensive:
It is not a "bubble"; these are market prices. You cannot fight that reality.

Look at your budget realistically:
How much can you really spend? Not what you would like to spend, but what you can.

Consider the countryside or smaller towns:
€350,000 buys almost nothing in Brussels. In Liège you can buy a perfectly decent house.

Do not take on unnecessary debt:
With higher interest rates, a mortgage costs more. Make sure your monthly repayments stay affordable.

Compare mortgage offers:
It can save you thousands of euros. Compare banks and brokers.

Summary: why houses are expensive

8 causes:

1. Scarcity: not enough homes, too many buyers
2. Low interest rates: borrowing was very cheap until 2022
3. Inflation: construction costs are rising
4. Investors: capital looking for a return from property
5. Costs: sellers pass them on in their prices
6. Insufficient supply: Belgium does not build enough
7. Bank requirements: fewer eligible buyers
8. Psychology: FOMO drives overbidding

The result: Houses have not become more affordable, but more expensive. This is especially visible in the big cities.

The reality: This is unlikely to change soon. Houses will stay expensive, and perhaps get even more expensive.

Next step: be prepared

Houses are expensive: that is a given. What you can do is prepare as well as possible to buy.

Start by comparing mortgages: it can save you tens of thousands of euros. Look at your budget realistically and consider other locations.

The property market is what it is. The key: be prepared and realistic.