🏙 Property in Saint-Cast-le-Guildo: prices, rents, property tax and trends
🏘 Boulevard Duponchel — Saint-Cast-le-Guildo (22380)
7 registered co-ownerships in the national register (RNIC) are attached to Boulevard Duponchel in Saint-Cast-le-Guildo, for a total of 197 units. The 5 sales of flats recorded between 2024 and 2025 work out at a median price of €4,900/m² (+3% compared with the median for Saint-Cast-le-Guildo, €4,770/m²).
Change in the median price per m² (flats)
| Year | Sales | Median price |
|---|---|---|
| 2024 | 2 | €4,707/m² |
| 2025 | 3 | €4,900/m² |
📋 Profile of Boulevard Duponchel
The buildings on Boulevard Duponchel in Saint-Cast-le-Guildo: 57% of the co-ownerships whose construction period is known date from before 1949; individual heating dominates (14% collective heating); only 14% have a lift. These are mostly small co-ownerships (median of 15 units, 71% with 20 units or fewer).
On the management side, 100% of the co-ownerships whose type of managing agent is known (5) are run by a professional managing agent. The most present firm, AGENCE IMMOBILIERE SERVICE, runs 3 of these co-ownerships out of the 5 run by a professional managing agent.
On the market, 6 sales were recorded in the street over the period covered, with a median price of €4,900/m² for flats, a level comparable to the median for Saint-Cast-le-Guildo.
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 Duponchel
| Firm | Co-ownerships in the street | Units |
|---|---|---|
| AGENCE IMMOBILIERE SERVICE | 3 | 161 |
| DES ARCADES | 1 | 12 |
| CREDIT AGRICOLE BRETAGNE HABITAT TRANSACTION | 1 | 7 |
Legal entities declared in the national co-ownership register. Volunteer managing agents (individuals) are never named.
🏢 The co-ownerships on Boulevard Duponchel
🏷 Latest sales in the street
| Date | Property | Area | Price | €/m² |
|---|---|---|---|---|
| 11/2025 | Flat 2-room | 40 m² | €200,000 | 5,000 |
| 06/2025 | Flat 2-room | 60 m² | €294,000 | 4,900 |
| 06/2025 | Flat 2-room | 38 m² | €165,000 | 4,342 |
| 12/2024 | House 5-room | 102 m² | €320,000 | 3,137 |
| 12/2024 | Flat 2-room | 51 m² | €212,000 | 4,157 |
| 06/2024 | Flat 2-room | 39 m² | €205,000 | 5,256 |
Listings in Saint-Cast-le-Guildo 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 Saint-Cast-le-Guildo
❓ Frequently asked questions
How many co-ownerships are there on Boulevard Duponchel in Saint-Cast-le-Guildo?
The national co-ownership register (RNIC) lists 7 co-ownerships attached to Boulevard Duponchel in Saint-Cast-le-Guildo, for a total of 197 units.
What is the price per m² on Boulevard Duponchel in Saint-Cast-le-Guildo?
According to the sales recorded between 2024 and 2025 (5 flats, DVF source), the median price is €4,900/m². Across the municipality, the median is €4,770/m².
Which managing agents run the co-ownerships on Boulevard Duponchel in Saint-Cast-le-Guildo?
Among the co-ownerships run by a professional managing agent, the most present firms are: AGENCE IMMOBILIERE SERVICE (3), DES ARCADES (1), CREDIT AGRICOLE BRETAGNE HABITAT TRANSACTION (1). The full list is on this page.
How can I contact the managing agent of a co-ownership on Boulevard Duponchel?
Each listing shows the type of managing agent (professional or volunteer) and lets you contact Syndic Digital, which relays your request.