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K6 Horizon: New Build Hillside Villa Above Lake Constance, Switzerland

  • 5 Beds
  • 6 Baths
  • 7,137 Sqft
  • 17,869 Sqft lot
  • Updated: July 14
  • 429
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About the Property

K6 Horizon is a fully permitted new-build villa on a hillside plot in Rorschacherberg, in the canton of St. Gallen, above Lake Constance. The project is approved and ready for construction, with the land and the approved building project offered together.

The villa is arranged over four levels, with a heated living area of 663 m² on a plot of 1,660 m². The layout follows Swiss convention
K6 Horizon is a fully permitted new-build villa on a hillside plot in Rorschacherberg, in the canton of St. Gallen, above Lake Constance. The project is approved and ready for construction, with the land and the approved building project offered together.

The villa is arranged over four levels, with a heated living area of 663 m² on a plot of 1,660 m². The layout follows Swiss convention with 6.5 rooms, comprising 5 bedrooms and 6 bathrooms. A lift serves every floor, and an underground garage accommodates six vehicles.

The structure is built around a white concrete plinth with a ventilated design-ceramic façade, capped by a flat roof carrying integrated solar panels. Interiors are finished in natural stone and parquet. Heating, ventilation and lighting run through a fully integrated smart home system.

The outdoor area centres on a heated infinity pool, jacuzzi and landscaped garden, with a separate pool house equipped with its own kitchen. Inside, the wellness floor includes an indoor swimming pool, sauna and steam bath. A wine cellar and fireplace are integrated within the main residence.

Within the architect’s framework, the buyer shapes the materialisation of the interiors (floors, walls, kitchen, bathrooms), the equipment and appliance levels, minor adjustments to floor-plan areas, and the landscaping of the garden. The final interior specification is developed in collaboration with the architect during the build.

Properties listed by Viola Architekten on JamesEdition are our own developments, sold directly by the architect rather than through a brokerage.

Price and complete brochure on request.
  • Property type

    Villa

  • Floors

    4

Features

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Käserenstrasse 6, 9404 Rorschacherberg, St. Gallen, Switzerland View on Google Maps
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Alana Viola

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Alana Viola
Sankt Gallen (de), Switzerland
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2026
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Viola Architekten
Wil, Sankt Gallen (de), Switzerland
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Viola Architekten is an established, owner-led architecture practice in Wil, in the canton of St. Gallen. The team
Viola Architekten is an established, owner-led architecture practice in Wil, in the canton of St. Gallen. The team of architects, planners and specialists works across Eastern Switzerland and the wider German-speaking region. Projects span private villas, multi-family residential developments, commercial buildings, civic commissions and architectural competitions.

We work end-to-end, from concept through planning to handover. Properties listed for sale are our own developments. Buyers engage directly with the architect rather than through a brokerage, which means the interior specification (materials, finishes, kitchens, bathrooms, minor floor-plan adjustments) is shaped in conversation with the design team during the build.
Last updated
July 14
First listed
May 21
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