Price of a 5-room apartment and larger (T5+) in Boulogne-Billancourt
In Boulogne-Billancourt, the median price of a T5+ is €9,032/sq.m, i.e. about €1,092,872 for an average area of 121 sq.m. Data from actual DVF transactions by the DGFiP (102 sales over the 12 months ending 31 December 2025).
Price range (T5+)
What DVF sales say about the price of a T5+ in Boulogne-Billancourt
Compared with the neighbouring towns tracked by Briveo where this property type is measured, Neuilly-sur-Seine comes out at €11,246/sq.m, about 25% above, and Rueil-Malmaison at €5,810/sq.m, about 36% below. The average area of the T5+ sold, 121 sq.m, is about 110% larger than that of the apartments sold in the town, 58 sq.m. The median price, €9,032/sq.m, falls in the upper third of the town's apartment price range, from the 1st to the 3rd quartile. Out of 1,638 apartment and house sales in the town over 12 months, 102 concern this property type, about 6%. Of the 6 property types measured in Boulogne-Billancourt, the T5+ ranks 2nd by price per sq.m and 5th by number of sales over 12 months. Across all the town's apartments, whatever their number of rooms, the median price per sq.m has moved +2.1% over one year, based on DVF sales published by the DGFiP.
Observed sale prices of a T5+ in Boulogne-Billancourt
Of the sales of a T5+ à Boulogne-Billancourt, half closed between 815,000 € and 1,387,700 €, for a median price of 1,044,900 €.
Half of the T5+ sold measure between 100 and 134 sq.m.
Three years of sales
| Year | Sales | Median per sq.m |
|---|---|---|
| 2023 | 100 | €9,459/sq.m |
| 2024 | 102 | €8,785/sq.m |
| 2025 | 102 | €8,928/sq.m |
Between 2023 and 2025, the median price per sq.m of a T5+ went from 9,459 € to 8,928 €, −5.6 %.
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 102 sales
- Figures computed on 30 October 2026
The town
Boulogne-Billancourt covers 6.2 km², lies between 28 and 40 m above sea level and had 119,019 inhabitants in the 2023 census.
Boulogne-Billancourt (prononcé) is a French commune in Hauts-de-Seine and the métropole du Grand Paris in the Île-de-France region, the third most populous commune in Île-de-France after Paris and Saint-Denis. It results from the union, carried out under the name of Boulogne-sur-Seine in 1790, of Boulogne-la-Petite, a parish established in 1343 around the église Notre-Dame de Boulogne sur Seyne, and the right bank of Saint-Cloud.
The full property page of the town
From Wikidata and the Wikipedia article « Boulogne-Billancourt », licensed CC BY-SA 4.0, read on 13 October 2026. Translated from the French article. Read the article
Other property types in Boulogne-Billancourt
Price of a T5+ in nearby cities
Cities tracked by BRIVEO in the same department, median for the same property type when available.
Frequently asked questions, T5+ in Boulogne-Billancourt
Q1What is the price of a T5+ in Boulogne-Billancourt in 2026?
In Boulogne-Billancourt, the median price of a T5+ is €9,032/sq.m, with a range of €7,416 to €10,815/sq.m (1st to 3rd quartile), based on DVF sales published by the DGFiP.
Q2What budget for a T5+ of 121 sq.m in Boulogne-Billancourt?
For the average observed area (121 sq.m), the indicative budget goes from about €897,336 (1st quartile) to €1,308,615 (3rd quartile), around €1,092,872 at the median price. Indicative calculation, DVF price per sq.m multiplied by the area, excluding notary fees.
Q3How does the price of a T5+ compare with apartments in Boulogne-Billancourt?
The median price of a T5+ in Boulogne-Billancourt is about 7% above the city's apartment median (€8,406/sq.m), based on DVF sales published by the DGFiP.
Q4How many T5+ sales in Boulogne-Billancourt?
The DGFiP DVF database records 102 sales of this type in Boulogne-Billancourt over the last 12 months.