Property prices in Triel-sur-Seine
Median price per m² for flats and houses in Triel-sur-Seine (78510), based on real DVF sales.
Flat
Range (p25–p75) : 2,822 – 3,620 €/m²
House
Range (p25–p75) : 3,092 – 4,093 €/m²
In Triel-sur-Seine (Yvelines), the median price per m² is 3,203 €/m² for a flat and 3,479 €/m² for a house. These figures are computed from 255 real sales recorded in the French DVF dataset. Half of flat transactions fall between 2,822 and 3,620 €/m². Year on year, the median flat price is down by −0.8 % between 2024 and 2025.
| Property type | Median price €/m² | Range €/m² | 1-year trend | Sales analysed |
|---|---|---|---|---|
| Flat | 3,203 €/m² | 2,822 – 3,620 | −0.8 % | 94 |
| House | 3,479 €/m² | 3,092 – 4,093 | +0.3 % | 161 |
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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).