Price of a 4-room apartment (T4) in Bonnières-sur-Seine
In Bonnières-sur-Seine, the median price of a T4 is €2,010/sq.m, i.e. about €152,760 for an average area of 76 sq.m. Data from actual DVF transactions by the DGFiP (2 sales over the 12 months ending 31 December 2025).
Price range (T4)
What DVF sales say about the price of a T4 in Bonnières-sur-Seine
The 2 T4 sales recorded over 12 months weigh about 4% of the 45 apartment and house sales in the town. Bonnières-sur-Seine measures 3 property types, and the T4 comes 3rd on price per sq.m, 3rd on sales volume over 12 months. The average area of the T4 sold, 76 sq.m, is about 31% larger than that of the apartments sold in the town, 58 sq.m. Half the town's apartment sales sit between its 1st and 3rd quartiles, and at €2,010/sq.m this median lands in the lower third of that span. Compared with the neighbouring towns tracked by Briveo where this property type is measured, Versailles comes out at €6,429/sq.m, about 220% above. Across all the town's apartments, whatever their number of rooms, the median price per sq.m has moved +6% over one year, based on DVF sales published by the DGFiP.
Observed sale prices of a T4 in Bonnières-sur-Seine
Of the sales of a T4 à Bonnières-sur-Seine, half closed between 139,000 € and 164,025 €, for a median price of 147,500 €.
Half of the T4 sold measure between 74 and 80 sq.m.
Three years of sales
| Year | Sales | Median per sq.m |
|---|---|---|
| 2023 | 2 | €1,957/sq.m |
| 2024 | 6 | €2,010/sq.m |
| 2025 | 2 | €1,982/sq.m |
Source and method
- Property transfer records (DVF), published by the French tax authority (DGFiP)
- Sales recorded from 1 January 2023 to 31 December 2025
- Based on 2 sales
- Figures computed on 1 October 2026
The town
Bonnières-sur-Seine covers 7.7 km², lies between 13 and 131 m above sea level and had 5,064 inhabitants in the 2023 census.
Bonnières-sur-Seine is a French commune in the département of Yvelines (78), in the Île-de-France region. Its inhabitants are known as the Bonniérois.
The full property page of the town
From Wikidata and the Wikipedia article « Bonnières-sur-Seine », licensed CC BY-SA 4.0, read on 13 October 2026. Translated from the French article. Read the article
Other property types in Bonnières-sur-Seine
Price of a T4 in nearby cities
Cities tracked by BRIVEO in the same department, median for the same property type when available.
Frequently asked questions, T4 in Bonnières-sur-Seine
Q1What is the price of a T4 in Bonnières-sur-Seine in 2026?
In Bonnières-sur-Seine, the median price of a T4 is €2,010/sq.m, with a range of €1,905 to €2,150/sq.m (1st to 3rd quartile), based on DVF sales published by the DGFiP.
Q2What budget for a T4 of 76 sq.m in Bonnières-sur-Seine?
For the average observed area (76 sq.m), the indicative budget goes from about €144,780 (1st quartile) to €163,400 (3rd quartile), around €152,760 at the median price. Indicative calculation, DVF price per sq.m multiplied by the area, excluding notary fees.
Q3How does the price of a T4 compare with apartments in Bonnières-sur-Seine?
The median price of a T4 in Bonnières-sur-Seine is about 8% below the city's apartment median (€2,183/sq.m), based on DVF sales published by the DGFiP.
Q4How many T4 sales in Bonnières-sur-Seine?
The DGFiP DVF database records 2 sales of this type in Bonnières-sur-Seine over the last 12 months.