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luxury architect house for sale Osny, France

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Contemporary house with garden and terrace Osny (95)

Nestled in the tranquility of a secure and sought-after estate, this 157 sq m architect-designed home boasts a bold contemporary style, where the interplay of heights and transparency creates a truly unique living space. Volumes and Materials From the moment you enter the separate entrance, your eye is captivated by the majestic 56 sq m living room. An impressive cathedral ceiling in wood, accentuated by a black metal structure, crowns the space and lends it the feel of a warm loft. A wall of textured exposed stone echoes the modern lines, while a beautiful suspended staircase in metal and wood ascends to the upper level. The fitted kitchen, punctuated by light wood tones and a graphic worktop, opens invitingly onto the dining and living areas. Bathed in light thanks to its south-facing orientation, this space recedes behind large sliding glass doors, extending the living space outdoors. This ground floor level also offers independent living with a comfortable 11 m² bedroom, a modern shower room, and a separate toilet. The Belvedere Sleeping Area Upstairs, the spectacular mezzanine landing overlooks the living room and provides access to the sleeping area with a superb panoramic view. This level features four beautiful bedrooms, three of which open directly onto a large, continuous 23 m² wooden balcony, a true belvedere overlooking the garden. A separate bathroom with a whirlpool bath and a second separate toilet complete this level. On the top floor, under the eaves, the fully converted attic offers a flexible space to suit your needs: an artist's studio, a suspended office for working from home, a playroom, or a guest suite. An Indoor-Outdoor Spirit The exterior architecture of the house is distinguished by its asymmetrical double-pitched roof and its terrace covered by a contemporary metal structure, ideal for summer lunches. The 603 sq m plot includes a lush, private garden of 468 sq m, designed as a natural haven bordering the living spaces. A functional basement with a 28 sq m cellar, a closed garage (lock-up), and two outdoor parking spaces complement the high-end features of this property. A rare and unique living space that will appeal to those who appreciate spaciousness, light, and contemporary architecture. Key Features: Living area: 157 m² Land area: 603 m² (Garden: 468 m²) Living room: 56 m², south-facing Bedrooms: 5 bedrooms (1 on the ground floor) Exterior spaces: Terrace (23 m²) and balcony (23 m²) Parking: 1 garage/car park + 2 parking spaces + basement/cellar (28 m²) Amenities: Secure residence, fitted kitchen, mezzanine, converted attic. Energy rating: C Climate rating: B Estimated average annual energy costs for standard use, based on average energy prices indexed to 2023, 2024, and 2025: between euros2,390 and euros3,240. Contact: Jonathan 0650192682 RSAC: 525275798 Pontoise Condominiums of 25 units (No proceedings in progress). Annual expenses : 500 euros.

… 
$766,200
157
5bedrooms
1bathroom
land 468

By Espaces Atypiques Val D'oise

2 listings near Osny

Nearby
12

Private mansion with garden Saint-Germain-en-Laye (78)

In the city center of Saint Germain en Laye, close to the Castle which saw the birth of the right number of Kings of France, I offer you a rare and exceptional property, former mess of officers of the Imperial Guard, built in 1857 under Napoleon III. The building deploys 775m2 of architectural beauty and refinement. Nestled away from prying eyes, behind an elegant historical facade, it testifies to the French art of living in its noblest aspects. On the ground floor, an entrance gallery, bathed in light as it opens onto the enclosed garden, takes you to a superb apartment of 230m2, where you will be seduced by the majesty of its volumes, the purity of its lines and the finesse of its decor. The other two floors offer completely renovated apartments housing spacious rooms, and harmoniously combining the charm of the old with contemporary comfort. Beautiful family kitchens, character offices, and a library complete this exceptional place. The complete basement offers a large laundry room, the boiler room and a storage place and the rest can still be arranged. SELLING PRICE: 6,900,000€ Fees to be borne by the seller. Energy class: F Amount of annual energy costs between €27680 and €37500 Information on the risks to which this property is exposed are available on the website www.georisques.gouv.fr https://sites.google.com/a/coldwellbanker.fr/honoraires-coldwellbanker-demeure-prestige/

… 
$7,950,400
773
16bedrooms
5bathrooms

By Coldwell Banker Paris

Nearby
19

House with garden and terrace Le Vésinet (78)

In a quiet and sought-after green area of the Superior Lake in the "city park" of Vésinet, close to the town center, schools, and the RER A, this exceptional property consists of a "remarkable" classified house from the early 20th century, "Villa Cottage," designed by renowned architect Roger Lord, with a total area of 384 m² built on a landscaped plot of 3,198 m².The Anglo-Norman architectural style facades of this magnificent half-timbered residence give it an exclusive and historic character rooted in local heritage, within a protected environment and a green setting, a true haven of peace and serenity. With a living area of 264 m², it comprises 10 rooms distributed over 3 levels and raised on a fully equipped mezzanine. Beautifully rehabilitated, it offers high-end features combining aesthetics, technology, and quality noble materials.The ground floor features an entrance with an independent WC and wardrobe, a dining room, a high-end equipped and fitted kitchen, a large living room, and an intimate round relaxation lounge. The upper floors offer three beautiful bedrooms with bathrooms and dressing rooms, a master suite with a bathroom, dressing room, and mosaic hammam, and an office or children's room, benefiting from generously sized cantilevered balconies and exceptional views of the landscaped garden and the lake.A total mezzanine of 120 m² includes an independent WC, a laundry room, two cellars, and a large relaxation area, sports, and cinema room.Additionally, a 30 m² outbuilding for use as a garage and/or workshop completes this rare and prestigious property. We inform you that in accordance with Article L.561-5 of the Monetary and Financial Code, an identity document will be requested before each visit.This description has been automatically translated from French.

… 
$3,433,700
264
5bedrooms
2bathrooms
land 3,198

By Praedium Agency - Groupe Praedium

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About Osny

Luxury Houses and Villas in Osny?

Osny, located in the Val-d'Oise department of the Île-de-France region, offers an attractive living environment for buyers of exceptional properties. The town has 17,954 inhabitants with a population density of 1434.03 inhabitants/km², indicating a relatively dense but preserved environment. The luxury house and villa market in Osny is characterized by its dynamism, attracting clients looking for properties with character. Nearby towns such as Cergy, Pontoise, and L'Isle-Adam are also highly sought after in the prestige real estate sector, which can influence demand and prices in Osny.

What is the price of luxury real estate in Osny?

In Osny, the luxury home market has seen notable changes. The average price per square meter in 2025 stood at 4057.69 euros, while it is projected to be 4043.65 euros for 2026, marking a slight decrease of 0.34%. Compared to 2021, when the average price per square meter was 4332.71 euros, there is a decrease of approximately 6.9%. This multi-year trend suggests a stabilization, or even a slight correction, in the luxury home market in the commune, although the overall positioning remains high.

What are the most sought-after neighborhoods in Osny?

Osny is structured around 8 neighborhoods, each with its own character. While specific data on the most sought-after neighborhoods for luxury homes are not detailed here, it is common for exceptional properties to be located in areas valued for their tranquility, green surroundings, proximity to amenities, or clear views. The search for a prestigious house, a luxury villa, or a charming house in Osny often focuses on sectors offering a balance between peace and accessibility.