Province of Walloon Brabant – Wallonia
Property prices in Ottignies-Louvain-la-Neuve
In 2025, the median sale price in Ottignies-Louvain-la-Neuve was €410,000 for a house (176 sales) and €236,000 for an apartment (243 sales), according to Statbel. The latest figures: in the first half of 2026, the median house sold for €467,500, against €405,000 in the first half of 2025.
Median house, first half of 2026
€467,500
+15.4% on Jan–Jun 2025 (€405,000), 63 sales
Median house, 2025
€410,000
Middle 50% of sales: €355,000–€530,000
Median apartment, first half of 2026
€295,000
+20.4% on Jan–Jun 2025 (€245,000), 122 sales
Median apartment, 2025
€236,000
Middle 50% of sales: €167,500–€335,000
Bought at the 2025 median of €410,000 as your only home, a house in Ottignies-Louvain-la-Neuve costs about €427,000 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 | €385,000 | €345,000–€450,000 | 82 |
| Detached house | €456,000 | €375,000–€620,000 | 94 |
| Apartment | €236,000 | €167,500–€335,000 | 243 |
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 | €467,500 | +15.4% | 63 |
| Terraced or semi-detached house | €360,000 | €450,000 | +25.0% | 29 |
| Detached house | €480,000 | €480,000 | +0.0% | 34 |
| Apartment | €245,000 | €295,000 | +20.4% | 122 |
In 2025, 419 homes (176 houses and 243 apartments) changed hands in Ottignies-Louvain-la-Neuve, 37.8% more than in 2024. Houses and apartments share the market in Ottignies-Louvain-la-Neuve: 58% of 2025 sales were apartments. Detached houses sold for 18% more than terraced or semi-detached ones (median €456,000 against €385,000).
Asking price per m² in Ottignies-Louvain-la-Neuve
| Property type | Median asking price per m² |
|---|---|
| Houses | €3,156/m² |
| Apartments | €4,661/m² |
On 26 October 2026, 78 houses and 71 apartments in Ottignies-Louvain-la-Neuve were advertised for sale on Immoweb. Immoweb marked 42% of the houses and 44% of the apartments as under offer.
Median sale price in Ottignies-Louvain-la-Neuve since 1980
HousesApartmentsShaded: middle 50% of sales
In 1980, the median house in Ottignies-Louvain-la-Neuve sold for €55,838, and in 2000 for €118,989 (Belgian francs converted to euros); today it is €410,000, about 7 times as much as in 1980.
How prices are moving
In Ottignies-Louvain-la-Neuve, the median house price fell 3.5% in 2025, but rose 12.3% over five years and 37.4% over ten years; the median apartment price rose 3.7% in 2025, 18.3% over five years and 45.7% over ten years. The latest figures: in the first half of 2026, the median house sold for €467,500, against €405,000 in the first half of 2025.
| 2024–2025 | 2020–2025 | 2015–2025 | |
|---|---|---|---|
| Houses | −3.5% | +12.3% | +37.4% |
| Apartments | +3.7% | +18.3% | +45.7% |
Price history in Ottignies-Louvain-la-Neuve, year by year
| Year | Median house | Median apartment |
|---|---|---|
| 2025 | €410,000 | €236,000 |
| 2024 | €425,000 | €227,500 |
| 2023 | €410,000 | €249,900 |
| 2022 | €385,000 | €235,000 |
| 2021 | €395,000 | €221,250 |
| 2020 | €365,000 | €199,500 |
| 2019 | €325,000 | €190,700 |
| 2018 | €320,000 | €180,000 |
| 2017 | €310,000 | €195,000 |
| 2016 | €300,000 | €185,000 |
| 2015 | €298,500 | €162,000 |
| 2014 | €290,000 | €172,500 |
| 2013 | €280,000 | €180,000 |
| 2012 | €300,000 | €201,500 |
| 2011 | €265,000 | €139,000 |
| 2010 | €260,000 | €137,340 |
Compared with the province and Belgium
| Ottignies-Louvain-la-Neuve | Province of Walloon Brabant | Belgium | |
|---|---|---|---|
| Median house price | €410,000 | €405,000 | €315,000 |
| Median apartment price | €236,000 | €260,000 | €250,000 |
Over ten years, the median house price in Ottignies-Louvain-la-Neuve rose 37.4%, against a 57.5% rise across Belgium.
Ottignies-Louvain-la-Neuve has the 10th highest 2025 median house price in Walloon Brabant province.
Who lives in Ottignies-Louvain-la-Neuve
Incomes sit under the Belgian median: the typical tax declaration in Ottignies-Louvain-la-Neuve showed €28,918 in 2023, 4% less than nationally. Renters set the tone: only 48% of households owned their home at the 2021 census, against 65% across Belgium. The population is stable at 31,823 residents (2026), +0.8% since 2016.
Flood risk in Ottignies-Louvain-la-Neuve
Flood exposure is marginal: 1.7% of the commune’s area lies in a medium or high flood-hazard zone (1% in the high class), with another 2.6% 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, Ottignies-Louvain-la-Neuve lands between Court-Saint-Etienne (€395,000) and Wavre (€415,000).
| Commune | House median | Apartment median |
|---|---|---|
| Genappe | €330,000 | €317,000 |
| Court-Saint-Etienne | €395,000 | €269,000 |
| Mont-Saint-Guibert | €395,000 | €279,000 |
| Wavre | €415,000 | €245,000 |
| Rixensart | €485,000 | €309,000 |
| Chaumont-Gistoux | €536,500 | – |
| Lasne | €740,000 | – |