Property prices in Trappes
Median price per m² for flats and houses in Trappes (78190), based on real DVF sales.
Flat
Range (p25–p75) : 2,312 – 3,124 €/m²
House
Range (p25–p75) : 2,888 – 4,047 €/m²
In Trappes (Yvelines), the median price per m² is 2,753 €/m² for a flat and 3,512 €/m² for a house. These figures are computed from 299 real sales recorded in the French DVF dataset. Half of flat transactions fall between 2,312 and 3,124 €/m². Year on year, the median flat price is down by −1.8 % between 2024 and 2025.
| Property type | Median price €/m² | Range €/m² | 1-year trend | Sales analysed |
|---|---|---|---|---|
| Flat | 2,753 €/m² | 2,312 – 3,124 | −1.8 % | 238 |
| House | 3,512 €/m² | 2,888 – 4,047 | +5.7 % | 61 |
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How are these prices computed?
The prices per m² shown are the medians of real sales recorded in the French DVF dataset, filtered to exclude atypical sales (multi-lot, new builds, outlier prices). The median is more robust than the mean: it is not pulled by extreme transactions. The p25–p75 range shows the most common price spread: half of all sales fall within it.
Source: DVF (French land value records) — DGFiP, published by Etalab. Open Licence 2.0. Medians computed on existing-home sales (excluding multi-lot and new-build properties).