Price of a 2-room apartment (T2) in Rosny-sur-Seine
In Rosny-sur-Seine, the median price of a T2 is €2,598/sq.m, i.e. about €111,714 for an average area of 43 sq.m. Data from actual DVF transactions by the DGFiP (2 sales over the 12 months ending 31 December 2025).
Price range (T2)
What DVF sales say about the price of a T2 in Rosny-sur-Seine
The average area of the T2 sold, 43 sq.m, is about 18% smaller than that of the apartments sold in the town, 52 sq.m. Half the town's apartment sales sit between its 1st and 3rd quartiles, and at €2,598/sq.m this median lands in the upper third of that span. This property type takes about 3% of local activity, 2 of the 59 apartment and house sales counted over twelve months. On price per sq.m the T2 holds position 1st among the 3 property types Rosny-sur-Seine measures, and position 2nd on twelve-month volume. Compared with the neighbouring towns tracked by Briveo where this property type is measured, Versailles comes out at €6,605/sq.m, about 154% above.
Observed sale prices of a T2 in Rosny-sur-Seine
Of the sales of a T2 à Rosny-sur-Seine, half closed between 98,250 € and 121,875 €, for a median price of 109,750 €.
Half of the T2 sold measure between 42 and 46 sq.m.
Three years of sales
| Year | Sales | Median per sq.m |
|---|---|---|
| 2023 | 3 | €2,625/sq.m |
| 2024 | 5 | €2,429/sq.m |
| 2025 | 2 | €2,193/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 29 October 2026
The town
Rosny-sur-Seine covers 19.4 km², lies between 17 and 144 m above sea level and had 7,328 inhabitants in the 2023 census.
Rosny-sur-Seine [ʁonisyʁsɛn] is a French commune situated in the département of Yvelines, in the Île-de-France region, just to the west of Mantes-la-Jolie, the two communes sharing a border. This small town, situated in a bend of the Seine, is historically the pays de Sully. The commune has been twinned with Lustadt (Germany) since April 1981.
The full property page of the town
From Wikidata and the Wikipedia article « Rosny-sur-Seine », licensed CC BY-SA 4.0, read on 29 October 2026. Translated from the French article. Read the article
Other property types in Rosny-sur-Seine
Price of a T2 in nearby cities
Cities tracked by BRIVEO in the same department, median for the same property type when available.
Frequently asked questions, T2 in Rosny-sur-Seine
Q1What is the price of a T2 in Rosny-sur-Seine in 2026?
In Rosny-sur-Seine, the median price of a T2 is €2,598/sq.m, with a range of €2,426 to €2,878/sq.m (1st to 3rd quartile), based on DVF sales published by the DGFiP.
Q2What budget for a T2 of 43 sq.m in Rosny-sur-Seine?
For the average observed area (43 sq.m), the indicative budget goes from about €104,318 (1st quartile) to €123,754 (3rd quartile), around €111,714 at the median price. Indicative calculation, DVF price per sq.m multiplied by the area, excluding notary fees.
Q3How does the price of a T2 compare with apartments in Rosny-sur-Seine?
The median price of a T2 in Rosny-sur-Seine is about 15% above the city's apartment median (€2,256/sq.m), based on DVF sales published by the DGFiP.
Q4How many T2 sales in Rosny-sur-Seine?
The DGFiP DVF database records 2 sales of this type in Rosny-sur-Seine over the last 12 months.