Price of a 4-room apartment (T4) in Boulogne-Billancourt
In Boulogne-Billancourt, the median price of a T4 is €8,566/sq.m, i.e. about €762,374 for an average area of 89 sq.m. Data from actual DVF transactions by the DGFiP (256 sales over 12 months).
Price range (T4)
What DVF sales say about the price of a T4 in Boulogne-Billancourt
The average area of the T4 sold, 89 sq.m, is about 55% larger than that of the apartments sold in the town, 57 sq.m. The median price, €8,566/sq.m, falls in the middle third of the town's apartment price range, from the 1st to the 3rd quartile. The 256 T4 sales recorded over 12 months weigh about 16% of the 1,638 apartment and house sales in the town. On price per sq.m the T4 holds position 4th among the 6 property types Boulogne-Billancourt measures, and position 4th on twelve-month volume. Compared with the neighbouring towns tracked by Briveo where this property type is measured, Neuilly-sur-Seine comes out at €10,914/sq.m, about 27% above, and Nanterre at €4,792/sq.m, about 44% below. Across all property types, the town's median price has moved +2% over one year, based on DVF sales published by the DGFiP.
Indicative budget for a T4 of 89 sq.m
Indicative calculation: DVF price per sq.m multiplied by the average observed area, excluding notary fees.
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 256 sales
- Figures computed on 2 September 2026
Other property types in Boulogne-Billancourt
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 Boulogne-Billancourt
Q1What is the price of a T4 in Boulogne-Billancourt in 2026?
In Boulogne-Billancourt, the median price of a T4 is €8,566/sq.m, with a range of €7,222 to €9,997/sq.m (1st to 3rd quartile), based on DVF sales published by the DGFiP.
Q2What budget for a T4 of 89 sq.m in Boulogne-Billancourt?
For the average observed area (89 sq.m), the indicative budget goes from about €642,758 (1st quartile) to €889,733 (3rd quartile), around €762,374 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 Boulogne-Billancourt?
The median price of a T4 in Boulogne-Billancourt is about 2% above the city's apartment median (€8,406/sq.m), based on DVF sales published by the DGFiP.
Q4How many T4 sales in Boulogne-Billancourt?
The DGFiP DVF database records 256 sales of this type in Boulogne-Billancourt over the last 12 months.