How to Sell a House in Uccle in 2026: Prices, Areas, Advice

Thinking of selling your house in Uccle? You are doing so in the most active Brussels commune for houses, and the leading commune in Belgium for properties above one million euros. To sell a house in Uccle at the right price in 2026, however, you need to look beyond averages: from one neighbourhood to the next, price gaps are among the widest in the Region.

This article reviews the latest figures, the neighbourhoods, today’s buyers and the method for setting a price that attracts serious offers.

Selling a house in Uccle: the market in 2026

Uccle carries real weight in the Brussels market. According to the notaries’ 2025 barometer for Brussels, the commune accounted for 12.6% of house sales in the Region, more than any other commune.

On prices, the median house sold in Uccle reached €700,000 in 2025 according to Statbel data (StatbelViz table). That is well above the regional median, which notaries put at €510,000 for 2025 (+2% year on year).

The trend remains positive in 2026. According to the notaries’ Q2 2026 barometer, the average price of a house in Brussels reached €611,873 in the first half of the year (+5.2% compared with 2025). House sales rose by 9.1% in the second quarter.

The high-end segment is even more dynamic. According to an analysis by Christie’s International Real Estate of FPS Economy data, reported by La DH, Uccle recorded 99 sales above one million euros in 2025 (+24% year on year). Of these, 84 were houses, with a median price of €1.3 million.

Indicator	Value	Source
Uccle’s share of house sales in Brussels (2025)	12.6% (No. 1 commune)	Notaries
Median house price in Uccle (2025)	€700,000	Statbel
Median house price in the Brussels Region (2025)	€510,000	Notaries
Sales above €1M in Uccle (2025)	99, including 84 houses	Christie’s / FPS Economy
Median price of these €1M+ sales	€1.3M	Christie’s / FPS Economy

Uccle’s neighbourhoods: one postcode, very different markets

Uccle is the Brussels commune where house prices vary the most. Notaries report a range from €472,500 to €909,000 for 2025, the widest gap in the Region. There are no official statistics by neighbourhood: local knowledge makes the difference.

A few broad profiles stand out:

• Fort Jaco, Prince d’Orange and the edges of the Sonian Forest: villas and large houses on generous plots, the core of the market above one million.
• Observatoire, Brugmann and upper Uccle: mansion houses and fine townhouses, highly sought after for their proximity to Ixelles and the city centre.
• Saint-Job, Vivier d’Oie and the Dieweg: village atmosphere, family houses with gardens, steady demand.
• Calevoet, Stalle and lower Uccle: more affordable prices, terraced houses, first-time buyers and young families.

Two houses of the same size can therefore be several hundred thousand euros apart. The neighbourhood, the street, the garden’s orientation and the property’s condition matter more than the commune average.

Who is buying houses in Uccle in 2026?

Buyers in Uccle are first and foremost families looking for space, gardens, schools and quiet. They are joined by international buyers linked to the European institutions and to companies based in Brussels.

At the high end, the profile is changing. According to Christie’s, quoted by La DH, there are fewer French-speaking buyers, many more Germans and numerous Flemish buyers. Some French buyers have left the Square Brugmann area for lower-tax jurisdictions.

For sellers, this changes how a property is marketed: listings and viewings in English, or even Dutch, a complete technical file from the first viewing, and availability for buyers who decide quickly but check everything.

Setting the right price to sell a house in Uccle

The €700,000 median is a benchmark, not a sale price. As we explained in our article on pricing strategy by commune, in Uccle only a comparison with genuinely similar sales is reliable.

In practice, a sound valuation combines:

1. Recent sales in the same neighbourhood, for properties of comparable size, plot and condition.
2. Competing properties currently on the market, which buyers visit at the same time as yours.
3. The assets buyers pay for in Uccle: a south-facing garden, quiet, a garage, proximity to schools and public transport.
4. The factors that weigh on the price: a poor EPC rating, roofing or heating work, planning irregularities to be regularised.

An overambitious price wastes the first weeks, when a listing attracts the most viewings. To understand how a property’s value is built, read our guide How Much Is My Property Worth in Brussels in 2026?

Buyers’ costs matter too. In Brussels, registration duties are 12.5%, with an allowance on the first €200,000 for properties priced up to €600,000, according to notaire.be. A house listed just below this threshold can therefore reach a wider audience.

Showcasing a house or villa in Uccle

In Uccle, buyers are looking for a lifestyle. The garden, terraces and light should be visible from the very first photos, ideally taken in spring or in fine weather.

A few simple steps make the difference:

• Maintain the garden, trim the hedges and open up the views.
• Declutter and depersonalise the living areas (see our home staging tips).
• Gather the documents in advance: EPC, planning information, electrical inspection, soil certificate.
• For a villa, provide floor plans, professional photos and a video tour for buyers based abroad.

FAQ: selling a house in Uccle

Conclusion: sell a house in Uccle at the right price

Uccle remains a solid market in 2026, driven by families, international buyers and a fast-growing high-end segment. But it is also the commune where the gap between two houses is the widest: the right price comes down to the street.

Would you like to know the real value of your house or villa? Request a valuation from GR Properties: we analyse your property against comparable sales in your neighbourhood and propose a tailored sales strategy.