Property prices in Helperknapp
Apartments in Helperknapp sold for an average of €6,841/m² over Jul 2025 – Jun 2026 (13 recorded sales), 11.3% below the Luxembourg average of €7,712/m².
Helperknapp ranks #32 of 51 communes with published prices, in the canton of Mersch.
Existing apartments
€6,841/m²
13 sales · Jul 2025 – Jun 2026
New-build apartments
—
Not published (fewer than 5 sales)
Typical 75 m² flat
€513,075
at the commune average
Gross yield
—
No local rent data
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Estimated value
€460,000 – €565,000
About €6,840 per m² for a flat like this in Helperknapp.
Price history in Helperknapp
Existing flats in Helperknapp sold for an average of €4,484/m² in 2018 and €7,204/m² in 2025: +60.7% in 7 years, about 7.0% a year. Prices peaked at €7,996/m² in 2023; 2025 is 9.9% below that. Across Luxembourg, flats went from €5,576/m² to €7,773/m² over the same years (+39.4%).
Notarial deeds. A year is missing when there were fewer than 10 sales.
Adverts include new-build projects, which are priced higher.
Luxembourg publishes no recorded sale prices for houses; these are asking prices from adverts.
Year-by-year figures
| Year | Sales | Existing flats €/m² | New-build €/m² | Asking, flats €/m² | Asking, houses €/m² | Average rent |
|---|---|---|---|---|---|---|
| 2025 | 30 | €7,204 | — | €7,366 | €5,268 | — |
| 2024 | 21 | €6,692 | — | €6,719 | €4,931 | — |
| 2023 | 13 | €7,996 | — | €6,648 | €5,647 | — |
| 2022 | 12 | — | — | €6,743 | €6,192 | — |
| 2021 | 16 | €7,076 | — | — | €5,545 | — |
| 2020 | 53 | €5,972 | €5,928 | — | €5,031 | €1,584 |
| 2019 | 47 | — | €5,632 | €5,639 | €4,140 | — |
| 2018 | 46 | €4,484 | €5,340 | €5,067 | €4,554 | — |
| 2017 * | 37 | — | €4,652 | €4,731 | €4,588 | — |
| 2016 | 16 | — | — | — | €4,720 | — |
| 2015 * | 22 | — | €4,485 | — | €4,357 | — |
| 2014 | 19 | — | €4,494 | — | €3,501 | — |
| 2013 | 26 | — | €4,553 | €4,023 | €3,362 | — |
| 2012 | 12 | — | — | €3,984 | €3,320 | — |
| 2011 | 19 | — | €3,741 | €3,955 | €3,195 | — |
| 2010 | 7 | — | — | €3,948 | €3,061 | — |
| 2009 | 2 | — | — | — | — | — |
| 2008 | 1 | — | — | — | — | — |
| 2007 | 5 | — | — | — | — | — |
Source: Observatoire de l’Habitat / STATEC, yearly figures (sale prices since 2007, asking prices since 2010, rents since 2009). Plain averages of what sold or was advertised each year, not adjusted for size or quality, so they move more in small communes. * Before the commune merger, figures cover the former communes with published prices.
Asking prices vs what sells
Listed for sale
€6,801/m²
49 listings, new and existing
Actually sold
€6,841/m²
13 recorded sales, new and existing
−0.6%
asking vs sold
Asking prices in Helperknapp are 0.6% below recorded sales. This can happen where few flats are listed, or where what is on offer differs from what sold. Selling? We price from real sales, not listings.
Asking prices: Observatoire de l’Habitat (IMMOTOP.LU and press listings, Jul 2025 – Jun 2026). Sales: notarial deeds (STATEC / Observatoire de l’Habitat).
Houses
Average asking price
€1,103,000
Asking price per m²
€5,621/m²
of living area
Houses advertised
65
Jul 2025 – Jun 2026
Luxembourg publishes no recorded sale prices for houses, so these are asking prices from listings, not prices paid. Plot size and condition move a house’s value far more than a flat’s. Selling a house? Ask for a formal valuation.
Source: Observatoire de l’Habitat, asking prices of houses (property listings).
Helperknapp and the communes around it
Helperknapp
Mersch
6,841 €/m²
Average sale price, existing flats · 13 sales
- vs national
- -11.3%
Other communes in the canton of Mersch
| Commune | €/m² | Sales | Gross yield |
|---|---|---|---|
| Lorentzweiler | €8,404 | 20 | 4.39% |
| Mersch | €7,618 | 41 | 3.63% |
| Lintgen | €7,423 | 25 | — |
| Bissen | €6,583 | 16 | — |
| Colmar-Berg | €6,520 | 18 | — |
| Larochette | €5,896 | 12 | — |
Prices: average recorded sale price per m² of apartments (STATEC / Observatoire de l’Habitat, Jul 2025 – Jun 2026). Communes with fewer than 5 sales are not published. Rent: advertised rents (Observatoire de l’Habitat), adjusted to a 75 m² flat; gross yield = rent × 12 ÷ price.
All Luxembourg communes →What can I afford? →Own here? Rent out or sell? →
What is your property in Helperknapp worth?
Get an estimate from the same official data, adjusted for size, condition, energy class, floor and outdoor space, or ask our MRICS surveyors for a formal valuation.