House prices in Lasne
Updated data 2026
Source: Statbel, 90 sales in the first half of 2026. Median price of all houses: terraced, semi-detached and detached.
Price evolution over 5 years
Terraced or semi-detached house | Lasne
The chart follows terraced and semi-detached houses only, quarter by quarter.
Comparison with other types
House in Lasne: price benchmarks
Lasne is the most expensive municipality in the province of Walloon Brabant for this property type, out of 27 municipalities with a price. In the province of Walloon Brabant, the median municipality stands at €400,000: Lasne is 85.0% above. Across Wallonia, the median municipality stands at €250,000, a gap of +196.0% for Lasne.
On the chart above, the median price goes from €595,000 in 2021 to €675,000 in 2026, a change of +13.4%. This price equals 22.2 years of the median net taxable income per tax return in Lasne (€33,326 a year, Statbel).
In Lasne, 13.7% of EPC certificates are rated A or B and 22.1% rated F or G, according to the Walloon certificate register. EPC in Lasne
House: prices in the municipalities next to Lasne
6 neighbouring municipalities publish a price for this property type. The most expensive is Waterloo (€560,000), the least expensive Genappe (€365,000).
| Municipality | Median price | Gap with Lasne |
|---|---|---|
| Waterloo | €560,000 | -24.3% |
| La Hulpe | €500,000 | -32.4% |
| Rixensart | €500,000 | -32.4% |
| Ottignies-Louvain-la-Neuve | €467,500 | -36.8% |
| Braine-l'Alleud | €465,000 | -37.2% |
| Genappe | €365,000 | -50.7% |
How to estimate your house in Lasne
To estimate your house in Lasne, start from the local median price, then adjust it to your property's features. The surface area, the location within the municipality, the floor and outdoor spaces (balcony, terrace or garden), parking, the condition of the finishes and the energy performance (EPC) all affect the value. Compare similar properties sold recently in Lasne before setting your price.
Price per m² of a house in Lasne
Immolytics has no observed price per m²: Statbel publishes sale prices, not surfaces. As an indication, the median price of €740,000 divided by a typical surface of 140 m² gives about €5,286/m². The neighbourhood, the condition of the finishes and the EPC rating make this ratio vary widely.
Frequently asked questions
Estimate your property in Lasne
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Estimate my propertyIndicative estimate from Statbel figures. This is not a professional valuation.