Province of Namur – Wallonia
Property prices in Onhaye
In 2025, the median sale price in Onhaye was €265,000 for a house (41 sales), according to Statbel.
Median house, 2025
€265,000
Middle 50% of sales: €195,000–€326,000
Bought at the 2025 median of €265,000 as your only home, a house in Onhaye costs about €277,000 all-in, with registration tax and notary fees. Borrowing 80% of the price adds about €4,200 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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Eyeing a home in Onhaye?
Paste the link of a home on Immoweb, Belgium’s main property site, and get a free 11-page report: the asking price checked against comparable listings and recorded sales, the true monthly cost, and the red flags.
The verdict up front: where the asking price sits, the cash you need on day one, and what it costs each monthOpen the full 11-page sampleHouse and apartment prices in Onhaye, by type
| Property type | Median price 2025 | Middle 50% of sales | Sales |
|---|---|---|---|
| Detached house | €265,000 | €219,000–€295,000 | 26 |
In 2025, 41 houses changed hands in Onhaye, 24.2% more than in 2024.
Asking price per m² in Onhaye
| Property type | Median asking price per m² |
|---|---|
| Houses | €1,606/m² |
On 26 October 2026, 18 houses and 1 apartment in Onhaye were advertised for sale on Immoweb. Immoweb marked 39% of the houses as under offer.
Median sale price in Onhaye since 1980
HousesShaded: middle 50% of sales
In 1980, the median house in Onhaye sold for €42,142, and in 2000 for €69,410 (Belgian francs converted to euros); today it is €265,000, about 6 times as much as in 1980.
How prices are moving
In Onhaye, the median house price rose 6% in 2025, 43.2% over five years and 138.7% over ten years.
| 2024–2025 | 2020–2025 | 2015–2025 | |
|---|---|---|---|
| Houses | +6.0% | +43.2% | +138.7% |
Price history in Onhaye, year by year
| Year | Median house | Median apartment |
|---|---|---|
| 2025 | €265,000 | – |
| 2024 | €250,000 | – |
| 2023 | €205,000 | – |
| 2022 | €150,000 | – |
| 2021 | €200,000 | – |
| 2020 | €185,000 | – |
| 2019 | €195,000 | – |
| 2018 | €152,500 | – |
| 2016 | €182,500 | – |
| 2015 | €111,000 | – |
| 2014 | €162,500 | – |
| 2013 | €155,000 | – |
| 2012 | €160,000 | – |
| 2011 | €135,000 | – |
| 2010 | €131,500 | – |
Compared with the province and Belgium
| Onhaye | Province of Namur | Belgium | |
|---|---|---|---|
| Median house price | €265,000 | €255,000 | €315,000 |
| Median apartment price | – | €202,000 | €250,000 |
Over ten years, the median house price in Onhaye rose 138.7%, against a 57.5% rise across Belgium.
Onhaye has the 16th highest 2025 median house price in Namur province.
Who lives in Onhaye
Incomes track the Belgian median closely: the typical tax declaration in Onhaye showed €30,249 in 2023. Most households here own their home: 73% did at the 2021 census, against 65% across Belgium. Onhaye is gaining residents: the population rose 3.1% between 2016 and 2026, to 3,262.
Flood risk in Onhaye
Flood exposure is marginal: 0.7% of the commune’s area lies in a medium or high flood-hazard zone (0.2% in the high class), with another 3.7% 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, Onhaye tops this list; Anhée comes nearest below, at €245,000.