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Narusawa House II "A mansion that reflects the scenery"
The theater room on the second floor overlooks the majestic Mount Asama.
Karuizawa Town Narusawa Prince Area
[Construction begins] Completion and delivery: End of July 2026
<< Location >>
The Narusawa area is particularly well-connected within Karuizawa, and is attractive for its convenience of living. It is also close to the shopping and commercial facilities around the station, making it an ideal area for those considering not only a vacation home but also permanent residence. You can enjoy the benefits of both old and new Karuizawa while enjoying a convenient resort life.
<< Concept >>
With the theme of "a residence that reflects the scenery," we designed a home where you can spend a spiritually enriching time surrounded by nature throughout the four seasons, while overlooking the majestic Mount Asama. The single-pitch roof and large glass walls enhance the exterior, and soft sunlight pours in through the large south-facing windows, creating a space filled with an open feeling together with the atrium. On the second floor, there is a theater room with a panoramic view of Mount Asama. Enjoying videos on the large screen, along with the magnificent view that unfolds outside the window, creates a special moment that can only be experienced here. Furthermore, with a garage for your beloved car and a terrace where you can spend time surrounded by nature, this residence fulfills the dream of a high-quality life in Karuizawa.
Facilities and Features
Wood-burning stove (Skantherm 603Tunnel) / 1st floor floor heating / Air conditioning (living room and 3 bedrooms) / Bathrooms on 1st and 2nd floors / Natural materials used (solid mountain cherry wood flooring / diatomaceous earth interior walls) / Earthen floor salon / Open ceiling space / Walk-in closet / TOYO KITCHEN / IH cooking heater / Front-opening dishwasher / Microwave oven /
Gas dryer "Kantakun" / Smart home equipment / Full furniture set / High-performance triple glazing / Long-term quality housing / Design performance evaluation certified / Inner garage for 2 cars / Free room on the second floor (theater space)
*The sauna in the exterior perspective is not included. If you would like one, we can install it separately.
<< Nearby facilities of this property >>
Condominium prices
３２０million yen
(tax included)
Floor plan
3LDK + sub-living room
Earthen floor salon + 2-car garage
Site area
１４１２.０１ m2
427.13 tsubo
Building total floor area
２３４.３４ m2
70.80 tsubo
Living
The living room, earthen floor salon, and void space were designed with vertical and horizontal connections in mind. The plan creates an open and comfortable space.
Kitchen・Dining
Enjoy your meal while feeling the nature of Karuizawa. The living room and dining room are connected to each other.
The stylish kitchen features a fully equipped kitchen space with a front-opening dishwasher, an electric oven range, storage space at the rear, and a housework space.
Doma Salon
The space has a calming atmosphere, with floors made of chestnut wood from Shinshu, cypress planks, and an accent wall made of thick tiles.
Enjoy a relaxing time while watching the flames of the wood stove.
Second floor sub-living room
The sub-living room opens onto the outdoor balcony terrace. It is a luxurious space where you can feel the breeze, light, and Shinshu scenery.
bedroom
A spacious walk-in closet and ample storage space. From the north window, you can see the majestic Mount Asama, creating a relaxing space where you can enjoy the four seasons of Karuizawa.
Dining space
A dedicated housework space is provided next to the storage area at the rear of the kitchen. It can also be used as a remote workspace.
*Sauna on the west deck is not included.
Land area: 1412.01㎡/tsubo 427.13
Floor plan: 3LDK + earthen floor salon + sub-living room on the second floor
Inner garage for 2 cars
1st floor area: 121.73㎡ / 36.8 tsubo
2nd floor area: 66.24㎡ / 20.0 tsubo
Garage: 46.35m² / 14.0 tsubo
Total: 234.34㎡ / 70.8 tsubo
[Planned site]
Address: 7-77 Nagakura, Karuizawa-machi, Kitasaku-gun, and other locations
Access: JR Karuizawa Station approx. 3.1km (8 minutes by car)
Usui Karuizawa IC: approx. 9.9 km (11 minutes by car)
Property Description
Location: Planned site: 7-77 Kawahigashi, Nagakura, Karuizawa-machi, Kitasaku-gun, 1019-416 Kamehara, Sakai-Shinden, and other locations
Layout: 3LDK + Dirt-floored Salon + Second-floor Sub-Living Room + 2-Car Inner Garage
Price: 320 million yen (tax included)
Land area: 1,412.01 m2 (427.13 tsubo)
Building Area: 234.34 m2／70.8 tsubo (1st floor: 121.73 m2／36.8 tsubo, 2nd floor: 66.24 m2／ 20.0 tsubo, Garage: 46.35 m2／14.0 tsubo)
Transportation: JR Shinkansen Karuizawa Station: Approx. 3.1 km (8 minutes by car), Usui-Karuizawa IC: Approx. 9.9 km (11 minutes by car)
Structure: 2-story wooden frame building Airflow Construction Method
Land Category: Wilderness (Land Category Change Planned)
Zoning: Type 1 Low-Rise Residential District
Building Coverage Ratio: 30% (Buffer Zone)
Floor Area Ratio: 50% (Buffer Zone)
Building Approval Number: 25NJU-10-00038
Performance Certification: Long-Term Quality Housing Certification Notice/Design Performance Evaluation
Preferential Benefits: Eligible for Flat 35S (Type A Interest Rate), Earthquake Resistance Grade 3 Discount (Fire Insurance)
Amenities: Electricity, Municipal Water Supply, Septic Tank, Propane Gas
School District: Higashi Elementary School (3.6 km, 49 min. walk), Karuizawa Junior High School (4.7 km, 64 min. walk)
Private Road Ownership: Yes (1/2 Ownership of Lot 1019-417)
Road: Article 42, Paragraph 1, Item 3 Approximately 3m southbound road (approximately 5.5m wide)
Other: Article 22 District, Nagano Prefecture Landscape Ordinance, Buffer Zone (Karuizawa Town Nature Conservation Measures Guidelines)
Building Setback: 5m road setback, 3m neighboring land setback, and 1/2 height
Current Status: Under Construction
Occupancy Date: End of July 2026
Other Fees: Water connection fee of ¥132,000, registration and preservation registration fees,
Fixed Asset Tax Settlement (starting date: April 1st)
Seller: Forest Corporation
License Number: Nagano Prefectural Governor (1) No. 5812
Registered: October 6, 2025
Last Updated: October 6, 2025
Affiliated Organization: National Real Estate Transaction Business Guarantee Association
For a villa in Karuizawa, it is important to have sunlight and prevent humidity.
Karuizawa has a 90% chance of sunny days in winter!
Sunlight is important when living at an altitude of 1,000 meters
Good sunlight helps to combat the summer humidity and winter cold that are unique to Karuizawa. This allows moisture to escape, resulting in a dry home that prevents mold, and a warm home that doesn't rely on heating during the day in winter. With a location, layout, and insulation performance that allows sunlight to be efficiently absorbed, we offer homes that allow you to enjoy a warm winter life in Karuizawa, even without heating during the day.
The average annual humidity in Karuizawa is 80%!
Dense forests also make it difficult for the air to circulate.
The average annual humidity in Karuizawa is an astonishing 80% or more. The humidity is particularly high from June to October, creating an environment conducive to mold growth. During this season, a moldy smell can drift through vacation homes. Poor ventilation in the summer makes mold more likely to grow. This is why it's essential to take measures against humidity and mold in homes. Furthermore, sunlight doesn't reach the dense forest, so heating is necessary not only in winter, but also in spring, autumn, and day and night.
The "Airpass Solar Method" is suitable for the humid Karuizawa region.
Enjoy "warmth like sunshine" without worrying about humidity or condensation.
Airpass's winter mode lets the warm sun into the house and collects solar heat on the roof and walls, creating airflow within the walls. It completely envelops the house in a layer of warm air and is effective in preventing condensation and mold inside the walls caused by humidity. With an Airpass house, you can use it as a vacation home for long periods without worry! It protects your asset value for the long term.
