Province of Walloon Brabant – Wallonia
Property prices in Grez-Doiceau
In 2025, the median sale price in Grez-Doiceau was €415,000 for a house (138 sales), according to Statbel. The latest figures: in the first half of 2026, the median house sold for €400,000, against €405,000 in the first half of 2025.
Median house, first half of 2026
€400,000
−1.2% on Jan–Jun 2025 (€405,000), 55 sales
Median house, 2025
€415,000
Middle 50% of sales: €331,250–€542,000
Bought at the 2025 median of €415,000 as your only home, a house in Grez-Doiceau costs about €432,000 all-in, with registration tax and notary fees. Borrowing 80% of the price adds about €6,600 for the mortgage deed. Since 2025 an only home in Wallonia pays 3%, a rate that replaced the old allowance (the abattement). 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 | €382,500 | €305,000–€462,500 | 57 |
| Detached house | €421,000 | €347,500–€620,000 | 81 |
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 | €405,000 | €400,000 | −1.2% | 55 |
| Terraced or semi-detached house | €367,500 | €355,000 | −3.4% | 18 |
| Detached house | €420,000 | €418,000 | −0.5% | 37 |
In 2025, 138 houses changed hands in Grez-Doiceau. Detached houses sold for 10% more than terraced or semi-detached ones (median €421,000 against €382,500).
Asking price per m² in Grez-Doiceau
| Property type | Median asking price per m² |
|---|---|
| Houses | €3,328/m² |
| Apartments | €3,353/m² |
On 26 October 2026, 106 houses and 22 apartments in Grez-Doiceau were advertised for sale on Immoweb. Immoweb marked 27% of the houses and 32% of the apartments as under offer.
Median sale price in Grez-Doiceau since 1980
HousesApartmentsShaded: middle 50% of sales
In 1980, the median house in Grez-Doiceau sold for €38,423, and in 2000 for €113,845 (Belgian francs converted to euros); today it is €415,000, about 11 times as much as in 1980.
How prices are moving
In Grez-Doiceau, the median house price rose 7.8% in 2025, 18.6% over five years and 38.3% over ten years. The latest figures: in the first half of 2026, the median house sold for €400,000, against €405,000 in the first half of 2025.
| 2024–2025 | 2020–2025 | 2015–2025 | |
|---|---|---|---|
| Houses | +7.8% | +18.6% | +38.3% |
Price history in Grez-Doiceau, year by year
| Year | Median house | Median apartment |
|---|---|---|
| 2025 | €415,000 | – |
| 2024 | €385,000 | – |
| 2023 | €395,000 | – |
| 2022 | €382,500 | – |
| 2021 | €375,000 | – |
| 2020 | €350,000 | – |
| 2019 | €344,500 | – |
| 2018 | €310,000 | – |
| 2017 | €302,500 | – |
| 2016 | €300,000 | – |
| 2015 | €300,000 | – |
| 2014 | €285,000 | – |
| 2013 | €275,500 | – |
| 2012 | €286,000 | – |
| 2011 | €270,000 | – |
| 2010 | €290,000 | – |
Compared with the province and Belgium
| Grez-Doiceau | Province of Walloon Brabant | Belgium | |
|---|---|---|---|
| Median house price | €415,000 | €405,000 | €315,000 |
| Median apartment price | – | €260,000 | €250,000 |
Over ten years, the median house price in Grez-Doiceau rose 38.3%, against a 57.5% rise across Belgium.
Grez-Doiceau has the 7th highest 2025 median house price in Walloon Brabant province.
Who lives in Grez-Doiceau
Incomes run above the Belgian median: the typical tax declaration in Grez-Doiceau showed €33,076 in 2023, 10% more than nationally. Most households here own their home: 74% did at the 2021 census, against 65% across Belgium. Grez-Doiceau is gaining residents: the population rose 7.3% between 2016 and 2026, to 14,049.
Flood risk in Grez-Doiceau
Parts of Grez-Doiceau are exposed: 4.2% of the commune’s area lies in a medium or high flood-hazard zone (2% in the high class), plus 8.6% in the low class. 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.
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Nearby communes
On median house prices, Grez-Doiceau lands between Huldenberg (€405,000) and Incourt (€427,750).
| Commune | House median | Apartment median |
|---|---|---|
| Beauvechain | €396,000 | – |
| Huldenberg | €405,000 | – |
| Wavre | €415,000 | €245,000 |
| Incourt | €427,750 | – |
| Bierbeek | €430,000 | €405,000 |
| Oud-Heverlee | €475,000 | – |
| Chaumont-Gistoux | €536,500 | – |