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luxury houses for sale Nogent-Cassan district of L'Isle-Adam, France

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17

House with pool and terrace L'Isle-Adam (95)

Located near the banks of the Oise River and the Isle Adam park, as well as shops, schools, and the train station, this beautiful late-19th-century residence combines charm and character. With an area of approximately 255 m², it features around ten rooms overlooking a spacious garden. Spanning three levels, the ground floor offers a beautiful reception area that opens onto an east-facing terrace. The two upper floors house several bedrooms, including an entire floor dedicated to a master suite. The property also includes two outbuildings: a caretaker’s house at the entrance and a large annex with independent accommodations and an indoor heated pool. A peaceful and verdant setting for a home full of charm.

… 
$2,129,300
255
6bedrooms
2bathrooms
land 3,904

By John Taylor - Paris 8

18

House with terrace L'Isle-Adam (95)

A stone's throw from the banks of the river Oise, in a sought-after street close to the center of L'Isle-Adam, discover this elegant 410 m² mansion. Nestled in a magnificent 6412 m² wooded park, this 4-story residence welcomes you with a charming courtyard. On the first floor you'll find an entrance hall, a wine cellar and an independent apartment consisting of a dining kitchen, a shower room and a living room. On the second floor there is a landing leading to a large living room, a dining room, a separate kitchen with access to a terrace and a large study with views to both sides of the house. The next floor has three comfortable bedrooms, one with a dressing room, a bathroom, a shower room and a relaxation/cinema room. The top floor, with its dominant valley views, offers a large room that could be converted into a master suite, plus an additional bedroom. The grounds, dotted with fruit trees, have direct access to the forest. There is also a jacuzzi, tennis court and arched parking spaces. A property with character and architecture just 30 minutes from Paris. Agent contact: Morgane Normand - +33 6 12 21 56 61

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$2,296,200
406
5bedrooms
1bathroom
land 6,412

By John Taylor - Paris 8

22

House with pool L'Isle-Adam (95)

Elegant 19th-century historic property, ideally located near the banks of the Oise River, the L'Isle-Adam park, local shops, and the train station, just 40 minutes from Paris. Offering 350 m² of living space in the heart of a landscaped park of 3,900 m², this residence is distinguished by its generous volumes, abundant natural light, and the preservation of its period features. Original parquet floors, fireplaces, exposed beams, and wood paneling add to the authentic charm of this home. On the ground floor, you'll find magnificent reception areas opening onto a stone terrace, a spacious kitchen, and a cloakroom. The first floor features a large master suite with a bathroom and walk-in closet, a second bedroom with an en-suite shower room, and an additional dressing room. The second floor includes four bedrooms and a bathroom, with an unobstructed view of the valley. A full basement, a caretaker's house, an outbuilding with a private apartment, and an indoor heated pool complete this exceptional property.

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$2,129,300
350
6bedrooms
land 3,900

By Marc Foujols Chantilly

15

House with garden and terrace L'Isle-Adam (95)

The Marc Foujols agency is pleased to offer this charming stone country house dating from 1720, set in 1,200 m2 of walled grounds with uninterrupted views over the valley. Situated 1 hour from Paris via the freeway and close to Chambly (TER station linking Paris in 45 min) and L'isle Adam, this property would be ideal as a second home or family home. The ground floor comprises an entrance hall, separate kitchen, living room, dining room, office and laundry room. The night space comprises 3 bedrooms, a dressing room, a bathroom and converted attic space that can accommodate several beds. A cellar and outbuilding complete the ensemble. Several parking spaces are available in the courtyard. Possibility of purchasing an additional 700 m². Close to l'Isle Adam golf course and equestrian activities.

… 
$684,800
250
5bedrooms
1bathroom
land 1,200

By Marc Foujols Chantilly

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About Nogent-Cassan

Prestigious Houses and Villas in L'Isle-Adam?

The market for luxury houses and villas in L'Isle-Adam, located in the Val-d'Oise department of Île-de-France, is proving to be particularly attractive. The town has 12493 inhabitants with a population density of 836.21 inhabitants per km², which reflects a sought-after residential environment, combining tranquility with proximity to the capital. Neighboring towns such as Auvers-sur-Oise or Pontoise are also highly prized for their setting and real estate dynamism, which positively influences the L'Isle-Adam sector. This geographical positioning and the town's advantages make it a prime location for acquiring a prestigious house or a luxury villa.

What is the price of luxury real estate in L'Isle-Adam?

In 2025, the average price per square meter for a luxury house in L'Isle-Adam was 5040.79 euros. Projections for 2026 indicate a slight decrease with an estimated average price of 4774.49 euros per square meter. This evolution shows a trend towards stabilization after a period where prices for prestigious houses have fluctuated. Compared to 2021, when the average price per square meter was 4837.17 euros, the trend over the 2021-2026 period shows a slight overall decrease, representing a drop of approximately 5.18% between 2025 and 2026, and a decrease of 1.27% between 2021 and 2026.

What are the most sought-after neighborhoods in L'Isle-Adam?

L'Isle-Adam has 5 distinct neighborhoods, each offering its own character. While specific data on the most sought-after neighborhoods for luxury homes is not available, it is reasonable to assume that areas offering a green setting, unobstructed views of nature, or immediate proximity to amenities and transport benefit from increased demand for charming houses or exceptional homes. Proximity to the Seine River and green spaces is often a determining factor for buyers looking for a luxury house.