Price of a 4-room apartment (T4) in Croissy-sur-Seine
In Croissy-sur-Seine, the median price of a T4 is €5,038/sq.m, i.e. about €428,230 for an average area of 85 sq.m. Data from actual DVF transactions by the DGFiP (16 sales over the 12 months ending 31 December 2025).
Price range (T4)
What DVF sales say about the price of a T4 in Croissy-sur-Seine
Among the neighbouring towns tracked by Briveo that measure the same property type, Versailles comes out at €6,429/sq.m, about 28% above, and Rambouillet at €3,217/sq.m, about 36% below. At €5,038/sq.m, the median price lands in the lower third of the town's apartment range, 1st to 3rd quartile. Apartments sold in the town average 64 sq.m, against 85 sq.m for the T4, about 33% more. On price per sq.m the T4 holds position 6th among the 6 property types Croissy-sur-Seine measures, and position 4th on twelve-month volume. Out of 133 apartment and house sales in the town over 12 months, 16 concern this property type, about 12%. For all of the town's apartments, whatever their number of rooms, DVF sales published by the DGFiP show the median price per sq.m moving +8.6% over one year.
Observed sale prices of a T4 in Croissy-sur-Seine
Of the sales of a T4 à Croissy-sur-Seine, half closed between 334,497 € and 567,300 €, for a median price of 370,000 €.
Half of the T4 sold measure between 76 and 91 sq.m.
Three years of sales
| Year | Sales | Median per sq.m |
|---|---|---|
| 2023 | 8 | €5,228/sq.m |
| 2024 | 16 | €4,435/sq.m |
| 2025 | 16 | €5,620/sq.m |
Between 2024 and 2025, the median price per sq.m of a T4 went from 4,435 € to 5,620 €, +26.7 %.
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 16 sales
- Figures computed on 12 October 2026
The town
Croissy-sur-Seine covers 3.4 km², lies between 19 and 34 m above sea level and had 11,013 inhabitants in the 2023 census.
Croissy-sur-Seine is a French commune in the département of Yvelines, in the Île-de-France region. Its inhabitants are called les Croissillons.
The full property page of the town
From Wikidata and the Wikipedia article « Croissy-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 Croissy-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 Croissy-sur-Seine
Q1What is the price of a T4 in Croissy-sur-Seine in 2026?
In Croissy-sur-Seine, the median price of a T4 is €5,038/sq.m, with a range of €4,522 to €5,788/sq.m (1st to 3rd quartile), based on DVF sales published by the DGFiP.
Q2What budget for a T4 of 85 sq.m in Croissy-sur-Seine?
For the average observed area (85 sq.m), the indicative budget goes from about €384,370 (1st quartile) to €491,980 (3rd quartile), around €428,230 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 Croissy-sur-Seine?
The median price of a T4 in Croissy-sur-Seine is about 6% below the city's apartment median (€5,376/sq.m), based on DVF sales published by the DGFiP.
Q4How many T4 sales in Croissy-sur-Seine?
The DGFiP DVF database records 16 sales of this type in Croissy-sur-Seine over the last 12 months.