🏙 Property in Romans-sur-Isère: prices, rents, property tax and trends
🏘 Rue Diderot — Romans-sur-Isère (26100)
5 registered co-ownerships in the national register (RNIC) are attached to Rue Diderot in Romans-sur-Isère, for a total of 380 units. The 10 sales of flats recorded between 2024 and 2025 work out at a median price of €1,729/m² (+7% compared with the median for Romans-sur-Isère, €1,619/m²).
Change in the median price per m² (flats)
| Year | Sales | Median price |
|---|---|---|
| 2024 | 4 | €1,615/m² |
| 2025 | 6 | €1,734/m² |
📋 Profile of Rue Diderot
The buildings on Rue Diderot in Romans-sur-Isère: the most common construction period is between 1961 and 1974 (40% of the buildings with a known date); individual heating dominates (25% collective heating); only 40% have a lift. The median co-ownership has 51 units (up to 175).
On the market, 12 sales were recorded in the street over the period covered, with a median price of €1,729/m² for flats, i.e. 7% above the median for Romans-sur-Isère.
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 Diderot
| Firm | Co-ownerships in the street | Units |
|---|---|---|
| FONCIA VALLEE DU RHONE | 1 | 175 |
| TROLLAT & BERRY IMMOBILIER | 1 | 112 |
Legal entities declared in the national co-ownership register. Volunteer managing agents (individuals) are never named.
🏢 The co-ownerships on Rue Diderot
🏷 Latest sales in the street
| Date | Property | Area | Price | €/m² |
|---|---|---|---|---|
| 10/2025 | Flat 2-room | 41 m² | €85,000 | 2,073 |
| 10/2025 | Flat 4-room | 79 m² | €136,550 | 1,728 |
| 03/2025 | Flat 4-room | 65 m² | €108,000 | 1,662 |
| 03/2025 | Flat 3-room | 64 m² | €95,000 | 1,484 |
| 02/2025 | Flat 2-room | 48 m² | €83,500 | 1,740 |
| 02/2025 | Flat 2-room | 45 m² | €85,000 | 1,889 |
| 01/2025 | House 3-room | 69 m² | €207,100 | 3,001 |
| 08/2024 | Flat 3-room | 66 m² | €99,000 | 1,500 |
| 06/2024 | Flat 5-room | 91 m² | €110,000 | 1,209 |
| 05/2024 | House 5-room | 117 m² | €202,500 | 1,731 |
| 03/2024 | Flat 2-room | 45 m² | €83,000 | 1,844 |
| 02/2024 | Flat 2-room | 48 m² | €83,000 | 1,729 |
Listings in Romans-sur-Isère 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 Romans-sur-Isère
❓ Frequently asked questions
How many co-ownerships are there on Rue Diderot in Romans-sur-Isère?
The national co-ownership register (RNIC) lists 5 co-ownerships attached to Rue Diderot in Romans-sur-Isère, for a total of 380 units.
What is the price per m² on Rue Diderot in Romans-sur-Isère?
According to the sales recorded between 2024 and 2025 (10 flats, DVF source), the median price is €1,729/m². Across the municipality, the median is €1,619/m².
Which managing agents run the co-ownerships on Rue Diderot in Romans-sur-Isère?
Among the co-ownerships run by a professional managing agent, the most present firms are: FONCIA VALLEE DU RHONE (1), TROLLAT & BERRY IMMOBILIER (1). The full list is on this page.
How can I contact the managing agent of a co-ownership on Rue Diderot?
Each listing shows the type of managing agent (professional or volunteer) and lets you contact Syndic Digital, which relays your request.