🏙 Property in Guyancourt: prices, rents, property tax and trends
🏘 Rue Jean Monnet — Guyancourt (78280)
3 registered co-ownerships in the national register (RNIC) are attached to Rue Jean Monnet in Guyancourt, for a total of 268 units. The 9 sales of flats recorded between 2024 and 2025 work out at a median price of €4,040/m² (+9% compared with the median for Guyancourt, €3,720/m²).
Change in the median price per m² (flats)
| Year | Sales | Median price |
|---|---|---|
| 2024 | 2 | €4,114/m² |
| 2025 | 7 | €4,040/m² |
📋 Profile of Rue Jean Monnet
The buildings on Rue Jean Monnet in Guyancourt: 100% of the buildings date from the period 1975-1993, among those whose age is recorded; 67% have at least one lift. The co-ownerships there are large (median of 90 units, up to 92).
On the management side, 100% of the co-ownerships whose type of managing agent is known (3) are run by a professional managing agent. No firm dominates: each professional managing agent runs one co-ownership in the street.
On the market, 9 sales were recorded in the street over the period covered, with a median price of €4,040/m² for flats, i.e. 9% above the median for Guyancourt.
Statistics calculated on the co-ownerships of the street for which the information is recorded in the national register (RNIC).
🏛 Professional managing agents on Rue Jean Monnet
| Firm | Co-ownerships in the street | Units |
|---|---|---|
| AE2C SYNDIC | 1 | 92 |
| LAMY | 1 | 90 |
| AGENCE SAINT SIMON | 1 | 86 |
Legal entities declared in the national co-ownership register. Volunteer managing agents (individuals) are never named.
🏢 The co-ownerships on Rue Jean Monnet
🏷 Latest sales in the street
| Date | Property | Area | Price | €/m² |
|---|---|---|---|---|
| 09/2025 | Flat 3-room | 63 m² | €229,300 | 3,640 |
| 08/2025 | Flat 2-room | 53 m² | €203,700 | 3,843 |
| 06/2025 | Flat 2-room | 53 m² | €220,000 | 4,151 |
| 06/2025 | Flat 4-room | 73 m² | €262,000 | 3,589 |
| 02/2025 | Flat 4-room | 102 m² | €420,000 | 4,118 |
| 01/2025 | Flat 2-room | 51 m² | €206,024 | 4,040 |
| 01/2025 | Flat 1-room | 29 m² | €155,200 | 5,352 |
| 04/2024 | Flat 3-room | 62 m² | €249,520 | 4,025 |
| 03/2024 | Flat 3-room | 64 m² | €269,000 | 4,203 |
Listings in Guyancourt 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 Guyancourt
❓ Frequently asked questions
How many co-ownerships are there on Rue Jean Monnet in Guyancourt?
The national co-ownership register (RNIC) lists 3 co-ownerships attached to Rue Jean Monnet in Guyancourt, for a total of 268 units.
What is the price per m² on Rue Jean Monnet in Guyancourt?
According to the sales recorded between 2024 and 2025 (9 flats, DVF source), the median price is €4,040/m². Across the municipality, the median is €3,720/m².
Which managing agents run the co-ownerships on Rue Jean Monnet in Guyancourt?
Among the co-ownerships run by a professional managing agent, the most present firms are: AE2C SYNDIC (1), LAMY (1), AGENCE SAINT SIMON (1). The full list is on this page.
How can I contact the managing agent of a co-ownership on Rue Jean Monnet?
Each listing shows the type of managing agent (professional or volunteer) and lets you contact Syndic Digital, which relays your request.