Brussels-Capital
Property prices in Watermael-Boitsfort
In 2025, the median sale price in Watermael-Boitsfort was €599,000 for a house (119 sales) and €335,000 for an apartment (144 sales), according to Statbel. The latest figures: in the first half of 2026, the median house sold for €630,000, against €647,500 in the first half of 2025.
Median house, first half of 2026
€630,000
−2.7% on Jan–Jun 2025 (€647,500), 60 sales
Median house, 2025
€599,000
Middle 50% of sales: €500,000–€800,000
Median apartment, first half of 2026
€300,000
−13.0% on Jan–Jun 2025 (€345,000), 74 sales
Median apartment, 2025
€335,000
Middle 50% of sales: €269,000–€415,000
Bought at the 2025 median of €599,000 as your only home, a house in Watermael-Boitsfort costs about €654,000 all-in, with registration tax and notary fees. Borrowing 80% of the price adds about €9,600 for the mortgage deed. In Brussels the first €200,000 is tax-free only if the price is no more than €600,000; above that, the whole price is taxed at 12.5%. The true cost of buying a home in Belgium, item by item
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| Property type | Median price 2025 | Middle 50% of sales | Sales |
|---|---|---|---|
| Terraced or semi-detached house | €585,000 | €500,000–€780,000 | 111 |
| Apartment | €335,000 | €269,000–€415,000 | 144 |
First half of 2026, against the first half of 2025
| Property type | First half of 2025 | First half of 2026 | Change | Sales, Jan–Jun 2026 |
|---|---|---|---|---|
| All houses | €647,500 | €630,000 | −2.7% | 60 |
| Terraced or semi-detached house | €630,000 | €607,500 | −3.6% | 56 |
| Apartment | €345,000 | €300,000 | −13.0% | 74 |
In 2025, 263 homes (119 houses and 144 apartments) changed hands in Watermael-Boitsfort, 5.6% more than in 2024. Houses and apartments share the market in Watermael-Boitsfort: 55% of 2025 sales were apartments.
Asking price per m² in Watermael-Boitsfort
| Property type | Median asking price per m² |
|---|---|
| Houses | €3,898/m² |
| Apartments | €4,023/m² |
On 26 October 2026, 68 houses and 65 apartments in Watermael-Boitsfort were advertised for sale on Immoweb. Immoweb marked 32% of the houses and 39% of the apartments as under offer.
Median sale price in Watermael-Boitsfort since 1980
HousesApartmentsShaded: middle 50% of sales
In 1980, the median house in Watermael-Boitsfort sold for €44,621, and in 2000 for €145,638 (Belgian francs converted to euros); today it is €599,000, about 13 times as much as in 1980.
How prices are moving
In Watermael-Boitsfort, the median house price fell 7.7% in 2025, but rose 16.3% over five years and 51.6% over ten years; the median apartment price rose 13.2% in 2025, 19.6% over five years and 65.4% over ten years. The latest figures: in the first half of 2026, the median house sold for €630,000, against €647,500 in the first half of 2025.
| 2024–2025 | 2020–2025 | 2015–2025 | |
|---|---|---|---|
| Houses | −7.7% | +16.3% | +51.6% |
| Apartments | +13.2% | +19.6% | +65.4% |
Price history in Watermael-Boitsfort, year by year
| Year | Median house | Median apartment |
|---|---|---|
| 2025 | €599,000 | €335,000 |
| 2024 | €649,000 | €296,000 |
| 2023 | €650,000 | €290,000 |
| 2022 | €627,500 | €289,500 |
| 2021 | €561,000 | €275,000 |
| 2020 | €515,000 | €280,000 |
| 2019 | €500,000 | €250,000 |
| 2018 | €469,500 | €245,000 |
| 2017 | €457,500 | €220,000 |
| 2016 | €439,500 | €212,500 |
| 2015 | €395,000 | €202,500 |
| 2014 | €415,000 | €218,000 |
| 2013 | €430,000 | €199,000 |
| 2012 | €425,000 | €211,000 |
| 2011 | €430,000 | €209,700 |
| 2010 | €391,000 | €180,000 |
Compared with the Brussels Region and Belgium
| Watermael-Boitsfort | Brussels Region | Belgium | |
|---|---|---|---|
| Median house price | €599,000 | €530,000 | €315,000 |
| Median apartment price | €335,000 | €270,000 | €250,000 |
Over ten years, the median house price in Watermael-Boitsfort rose 51.6%, against a 57.5% rise across Belgium.
Watermael-Boitsfort has the 7th highest 2025 median house price in the Brussels-Capital Region.
Prices by neighbourhood in Watermael-Boitsfort (2024)
For an apartment, the highest median is in Pêcheries (€297,000) and the lowest in Avenue de la Tenderie (€253,750).
| Statistical sector | Median house | Median apartment |
|---|---|---|
| Pêcheries | – | €297,000 |
| Martin-Pêcheur | – | €294,500 |
| Avenue de la Tenderie | – | €253,750 |
Who lives in Watermael-Boitsfort
Incomes sit under the Belgian median: the typical tax declaration in Watermael-Boitsfort showed €28,289 in 2023, 6% less than nationally. These are taxable incomes, which leave out the salaries of the many EU and international officials living in and around Brussels. Renters set the tone: only 49% of households owned their home at the 2021 census, against 65% across Belgium. Watermael-Boitsfort is gaining residents: the population rose 2.6% between 2016 and 2026, to 25,271.
Flood and soil in Watermael-Boitsfort
Flood exposure is marginal: 2.8% of the commune’s area lies in a medium or high flood-hazard zone (0.1% in the high class), with another 5.9% in the low class. 5.8% of Watermael-Boitsfort’s ground area is listed in the regional soil-condition inventory (a known or suspected contamination history). Flood and soil are two of the checks to run on one specific home before you sign; our guide to what to check before making an offer covers the rest.
Renting in Watermael-Boitsfort? See the official reference rents. Browse the full Brussels grid, commune by commune.
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Nearby communes
On median house prices, Watermael-Boitsfort lands between Auderghem (€575,000) and Uccle (€700,000).
| Commune | House median | Apartment median |
|---|---|---|
| City of Brussels | €430,000 | €270,000 |
| Hoeilaart | €477,500 | – |
| Overijse | €530,000 | €325,000 |
| Sint-Genesius-Rode | €572,500 | €327,500 |
| Auderghem | €575,000 | €319,500 |
| Uccle | €700,000 | €336,000 |
| Ixelles | €785,000 | €342,000 |