Maison Contemporaine avec Sous-Sol | Cadre d'Exception au Cœur de la Vallée de Chevreuse Proximité

A life project in a family-friendly and green setting at the gates of the scientific cluster — Nestled in the preserved environment of the Haute Vallée de Chevreuse Regional Natural Park, this detached house built in 2007 offers a perfect balance between village tranquility, modern comfort, and accessibility to major employment hubs.

Spacious, bright areas with quality finishes over 155 m² featuring a cathedral ceiling living-dining room!

Built on 3 levels, the house is designed to maximize natural light with large openings and numerous bay windows facing East, South, and West. On the ground floor, enjoy a warm living area equipped with underfloor heating and a wood stove for a cozy winter atmosphere, complemented by double-glazed aluminum windows with thermal break. Facing due South, benefit from an adjoining terrace and a jacuzzi.

A 4-step descent leads to a separate toilet, a bathroom, a hallway with a wardrobe closet, and 3 to 4 bedrooms including two duplexes and a master suite with shower room, toilet, and dressing room. A mezzanine overlooking the living room is ideal for an office or can be arranged as a bedroom!

Practical for daily life, a large unheated basement with insulated concrete slab offers storage space (65 m²), a workshop and laundry area, and a parking zone (55 m²) that can accommodate 3 to 4 vehicles depending on size!

Excellent energy efficiency (Class C)

A strong asset in controlling energy costs: EPC: Class C (135 kWh/m²/year) | GHG: Class A (only 5 kg CO₂/m²/year).

High-performance insulation: Superior thermal insulation on the sloped roof (30 cm insulation), exterior walls, and ground floor.

Features:
- Low-consumption underfloor heating, recent electric convectors, and a 300 L hot water tank
- Flue to laundry room, automated double garage door, aluminum roller shutters
- 4000-liter sump pit
- Alarm system

Strategic location and local life

Heritage and Nature: You will be just steps from the historic center of Châteaufort, its medieval keep, and the trails of the Chevreuse Valley.

Amenities:
- Kindergarten and elementary schools within walking distance in the village
- Middle schools in Buc (Martin Luther King and Franco-German) and high schools in Versailles
- Transport and access: Plateau de Saclay just minutes away (Paris-Saclay University, research centers, prestigious schools)
- Connections: Bus to RER B stations (Gif-sur-Yvette / Le Guichet) and RER C (Versailles, Saint-Quentin-en-Yvelines)
- Road network: Direct access to D36, D938, and N118
- Upcoming opening of Line 18, Orly airport accessible in 20 minutes

Come experience a unique place where elegance, comfort, and tranquility meet.

For more information, contact Willy Boyé, your trusted agent.

Action!

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This listing reference 351214 is presented by your commercial agent BSK Immobilier WILLY BOYÉ (EI), registered with the Versailles RSAC (78000) under number [hidden information].

Price: €795,000
Agency fees are the seller’s responsibility.

About energy performance:
Date of energy diagnosis: 03/16/2026
EPC score: 135 kWhEP/m²/year
GHG score: 5 kgCO₂eq/m²/year
Estimated annual energy costs for standard use: between €1,950 and €2,710 per year. Average energy prices indexed for 2026 (subscriptions included).

A valid ID will be requested during visits.

Information on risks to which this property is exposed is available on the Géorisques website: ***
Des informations sur les risques auxquels est exposé ce bien sont disponibles sur le site Géorisques : https://www.georisques.gouv.fr/