The average price per m² in Les Princes (Boulogne-Billancourt) is 9 124 €/m² for an apartment, within a range of 7,9 to 10,1 k€ per m², based on actual notarised (DVF) sales. Over the period, the market fell 9 % over 5 years and rose 7,5 % over the last 12 months, with about 268 transactions per year.

Les Princes, the Princes-Marmottan area, in the north-east of Boulogne-Billancourt.
Apartments in the Les Princes district, in Boulogne-Billancourt, sell at an average price of around 9 124 €/m², based on the prices actually recorded (DVF transactions). Between 7 927 and 10 087 €/m² covers half of the sales, the spread coming down to the storey, the aspect and the condition of the property. Five-year change: -9 %.
Prices from the DVF file (Demandes de valeurs foncières, published by the DGFiP), transactions actually recorded at the notary, aggregated at district level using the IRIS zoning of INSEE. Cross-referenced with the Notaires de France - INSEE indices. Learn more about our methodology.
After 10 059 €/m² in 2021, the average price in the Les Princes district of Boulogne-Billancourt reaches 9 124 €/m² in 2026, roughly -9 % over the period.
Local shops and boutiques along the route de la Reine and the streets of the area.
The Bois de Boulogne, the Marmottan-Monet museum and the major stadiums (Parc des Princes, Jean-Bouin) close by.
Haussmann-era buildings and peaceful residential streets give the Princes-Marmottan area its character.
The Les Princes district, in Boulogne-Billancourt. Google Maps map.
The Les Princes district forms, together with Marmottan, the Princes-Marmottan area, in the north-east of Boulogne-Billancourt. It is bordered to the east by the boundary with the 16th arrondissement of Paris, to the north by the Bois de Boulogne and the stadiums, to the west by the avenue Jean-Baptiste Clément and the boulevard Jean Jaurès, and to the south by the route de la Reine.
It is a strongly residential area, marked by architecture of Haussmann inspiration, among the most peaceful in Boulogne-Billancourt. The Marmottan-Monet museum, on the Paris side, is very close, as are the major sports venues on the edge of the Bois de Boulogne, from the Parc des Princes to the Jean-Bouin stadium.
Sought after for its quiet, its quality building stock and its immediate closeness to Paris and to the wood, the Princes-Marmottan area sits at the top of the Boulogne market. Haussmann-era apartments are prized there, and the scarce supply supports prices per m² among the highest in the town.
The Les Princes district attracts well-off families, managers and professionals looking for a quiet residential address, in the north-east of the town and at the gates of Paris. Demand covers high-standard Haussmann-era apartments. The closeness of the Bois de Boulogne, the Marmottan museum and the capital supports prices among the highest in Boulogne-Billancourt.
The average price in Les Princes is 9 124 €/m² for an apartment (actual DVF transactions, notarised sales), within a range of 7 927 to 10 087 €/m² depending on the building, the storey and the condition.
It combines a position in the north-east of the town, adjoining the 16th arrondissement of Paris and bordered by the Bois de Boulogne, with Haussmann-era architecture and residential streets among the quietest in Boulogne-Billancourt. The closeness of the Marmottan museum and of the major stadiums completes its appeal.
Mostly apartments in Haussmann-era buildings, the Princes-Marmottan area being very largely made up of apartments. Properties with fine ceiling heights, an open view or closeness to the Bois de Boulogne are the most sought after and the most highly valued.
Yes. The Princes-Marmottan area is one of the most expensive in Boulogne-Billancourt, already one of the most expensive towns in the Paris region outside Paris. The closeness of the capital and of the Bois de Boulogne, and the quality of the Haussmann-era building stock, support very high prices per m².
Yes. Boulogne Jean Jaurès station (metro line 10) and the Porte de Saint-Cloud (metro line 9) serve the area, with direct access to Paris. The Bois de Boulogne and the bus routes along the boulevard Jean Jaurès complete the links.
This analysis is published by Immover, an independent observatory founded by Antony Barbier. Data sourced from official sources (DVF, INSEE, Notaries of France).