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🏙 Property in Fort-Mahon-Plage: prices, rents, property tax and trends

🏘 Boulevard Intérieur — Fort-Mahon-Plage (80120)

9 registered co-ownerships in the national register (RNIC) are attached to Boulevard Intérieur in Fort-Mahon-Plage, for a total of 227 units. The 20 sales of flats recorded between 2024 and 2025 work out at a median price of €3,842/m² (−15% compared with the median for Fort-Mahon-Plage, €4,525/m²).

9
Registered co-ownerships
227
Units in total
€3,842/m²
Median price of flats
20
Sales recorded (2024 and 2025)

Change in the median price per m² (flats)

YearSalesMedian price
202411€3,333/m²
20259€4,255/m²

📋 Profile of Boulevard Intérieur

The buildings on Boulevard Intérieur in Fort-Mahon-Plage: 25% of the co-ownerships whose construction period is known date from the period 1975-1993; individual heating dominates (0% collective heating); only 11% have a lift. The median co-ownership has 20 units (up to 50).

On the management side, 100% of the co-ownerships whose type of managing agent is known (6) are run by a professional managing agent. The most present firm, NATH'IMMO, runs 4 of these co-ownerships out of the 6 run by a professional managing agent.

On the market, 20 sales were recorded in the street over the period covered, with a median price of €3,842/m² for flats, i.e. 15% below the median for Fort-Mahon-Plage.

Main construction period
Between 1975 and 1993 (25 %)
Collective heating
0 %
With a lift
11 %
Median size
20 units (max 50)
Professional managing agent
100 %

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 Intérieur

Legal entities declared in the national co-ownership register. Volunteer managing agents (individuals) are never named.

🏢 The co-ownerships on Boulevard Intérieur

🏷 Latest sales in the street

DatePropertyAreaPrice€/m²
11/2025 Flat 3-room 51 m² €240,000 4,706
10/2025 Flat 3-room 51 m² €217,000 4,255
10/2025 Flat 2-room 36 m² €173,000 4,806
10/2025 Flat 1-room 32 m² €85,000 2,656
09/2025 Flat 2-room 34 m² €128,000 3,765
07/2025 Flat 1-room 33 m² €112,000 3,394
06/2025 Flat 1-room 36 m² €161,250 4,479
05/2025 Flat 1-room 36 m² €157,500 4,375
01/2025 Flat 1-room 25 m² €104,070 4,163
12/2024 Flat 2-room 37 m² €145,000 3,919
12/2024 Flat 3-room 48 m² €106,000 2,208
12/2024 Flat 1-room 15 m² €50,000 3,333

Listings in Fort-Mahon-Plage 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 Fort-Mahon-Plage

All streets in Fort-Mahon-Plage →

❓ Frequently asked questions

How many co-ownerships are there on Boulevard Intérieur in Fort-Mahon-Plage?

The national co-ownership register (RNIC) lists 9 co-ownerships attached to Boulevard Intérieur in Fort-Mahon-Plage, for a total of 227 units.

What is the price per m² on Boulevard Intérieur in Fort-Mahon-Plage?

According to the sales recorded between 2024 and 2025 (20 flats, DVF source), the median price is €3,842/m². Across the municipality, the median is €4,525/m².

Which managing agents run the co-ownerships on Boulevard Intérieur in Fort-Mahon-Plage?

Among the co-ownerships run by a professional managing agent, the most present firms are: NATH'IMMO (4), SOCIETE D ETUDES ET DE REALISATION DE GESTION IMMOBILIERE DE CONSTRUCTION (2). The full list is on this page.

How can I contact the managing agent of a co-ownership on Boulevard Intérieur?

Each listing shows the type of managing agent (professional or volunteer) and lets you contact Syndic Digital, which relays your request.