🏙 Property in Le Chesnay-Rocquencourt: prices, rents, property tax and trends
🏘 Boulevard Saint Antoine — Le Chesnay-Rocquencourt (78150)
3 registered co-ownerships in the national register (RNIC) are attached to Boulevard Saint Antoine in Le Chesnay-Rocquencourt, for a total of 362 units. The 7 sales of flats recorded between 2024 and 2025 work out at a median price of €5,421/m² (+7% compared with the median for Le Chesnay-Rocquencourt, €5,068/m²).
Change in the median price per m² (flats)
| Year | Sales | Median price |
|---|---|---|
| 2024 | 3 | €5,456/m² |
| 2025 | 4 | €5,336/m² |
📋 Profile of Boulevard Saint Antoine
The buildings on Boulevard Saint Antoine in Le Chesnay-Rocquencourt: individual heating dominates (33% collective heating); 67% have at least one lift. The co-ownerships there are large (median of 113 units, up to 140).
On the market, 7 sales were recorded in the street over the period covered, with a median price of €5,421/m² for flats, i.e. 7% above the median for Le Chesnay-Rocquencourt.
Statistics calculated on the co-ownerships of the street for which the information is recorded in the national register (RNIC).
🏛 Professional managing agents on Boulevard Saint Antoine
| Firm | Co-ownerships in the street | Units |
|---|---|---|
| CHESNAY IMMOBILIER | 1 | 113 |
| LAMY | 1 | 109 |
Legal entities declared in the national co-ownership register. Volunteer managing agents (individuals) are never named.
🏢 The co-ownerships on Boulevard Saint Antoine
🏷 Latest sales in the street
| Date | Property | Area | Price | €/m² |
|---|---|---|---|---|
| 10/2025 | Flat 4-room | 88 m² | €437,000 | 4,966 |
| 09/2025 | Flat 1-room | 40 m² | €210,000 | 5,250 |
| 09/2025 | Flat 5-room | 131 m² | €850,241 | 6,490 |
| 01/2025 | Flat 4-room | 95 m² | €515,000 | 5,421 |
| 10/2024 | Flat 3-room | 50 m² | €272,800 | 5,456 |
| 03/2024 | Flat 5-room | 171 m² | €730,000 | 4,269 |
| 03/2024 | Flat 6-room | 140 m² | €767,166 | 5,480 |
Listings in Le Chesnay-Rocquencourt on Leboncoin
Single-property sales (excluding grouped sales), without street numbers. Source: “Demandes de valeurs foncières” © DGFiP / Etalab, Open Licence 2.0. Co-ownerships: national co-ownership register; addresses: Base Adresse Nationale. Syndic Digital is not affiliated with Leboncoin.
📍 Other streets in Le Chesnay-Rocquencourt
❓ Frequently asked questions
How many co-ownerships are there on Boulevard Saint Antoine in Le Chesnay-Rocquencourt?
The national co-ownership register (RNIC) lists 3 co-ownerships attached to Boulevard Saint Antoine in Le Chesnay-Rocquencourt, for a total of 362 units.
What is the price per m² on Boulevard Saint Antoine in Le Chesnay-Rocquencourt?
According to the sales recorded between 2024 and 2025 (7 flats, DVF source), the median price is €5,421/m². Across the municipality, the median is €5,068/m².
Which managing agents run the co-ownerships on Boulevard Saint Antoine in Le Chesnay-Rocquencourt?
Among the co-ownerships run by a professional managing agent, the most present firms are: CHESNAY IMMOBILIER (1), LAMY (1). The full list is on this page.
How can I contact the managing agent of a co-ownership on Boulevard Saint Antoine?
Each listing shows the type of managing agent (professional or volunteer) and lets you contact Syndic Digital, which relays your request.