Greater Paris · Boulogne-Billancourt · 92100

Rue Barthélémy Danjou.

Homes at a median of €258,500 (€8,362 per m²) – 96 home sales since January 2021, prices down 9% since 2021–22.

Rue Barthélémy Danjou, Boulogne-Billancourt at night – every parcel coloured by the prices around it, the street's own parcels lit
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The street in figures

€258,500median price, 96 home sales
€8,362median per m²
€259kflats · €8,362 per m²
96home sales since January 2021 · 8 in 2026
−9%prices since 2021–22 (median per m²)
66addresses
44parcels
Top 8%of Greater Paris's streets by price per m²
Mostly flats0% of the sales were houses

The plots on the street

Median per m², year by year

YearMedian per m²
2021€9,170
2022€8,583
2023€8,988
2024€7,545
2025€8,088
2026 (January–June)fewer than ten sales

The street as the VERA PI databases hold it: the home sales of DGFiP's DVF register from January 2021 to June 2026 (a deed of one house or flat; geo-dvf, Etalab, and DGFiP's file of 12 October 2026), the parcels of the cadastre and the addresses of the Base Adresse Nationale. A median needs ten sales. Never a single sale, never an owner. Read 2026-10-19.