1'430'000
5.5 room Apartment in Seengen
CHF1'430'000
Description
5.5-Room New-Build Apartment in Exclusive Location Seengen AG
In an attractive residential area in Seengen AG, the high-quality new construction project Halllwyl370 is being built with a total of 5 modern condominiums between 4.5 and 5.5 rooms. The project impresses with its contemporary architecture, thoughtful floor plan design, and elevated location with beautiful views.
The spacious 5.5-room condominium with a living area of around 150.20 m² is ideal for couples, families, or discerning owners who value quality, energy efficiency, and high living comfort. The new building will be realized in the Minergie standard and meets the highest requirements for sustainability and modern living.
Room concept
The apartment has open-plan living and dining areas with direct access to the balcony, spread over 23.70 m². Large, triple-glazed windows provide bright rooms and a pleasant living feeling with a beautiful view of the surroundings of Seengen AG. The floor plans are functionally designed and offer a clear separation between living and sleeping areas.
The master bedroom has its own bathroom and offers additional comfort. The room offer is complemented by another bathroom, a practical storage room, elevator, own basement compartment, and a sustainable construction method with geothermal heating.
Two exclusive underground parking spaces can be purchased additionally.
The expected completion date is scheduled for the end of 2027.
Highlights:
- Garden in shared ownership
- Spacious and bright floor plans
- Master bedroom with bathroom incl. shower
- 2 bathrooms
- High-quality architecture with generous budget positions
- Family-friendly location
- 2x underground parking space à CHF 40'000.-
Project page:
www.s370.ch
Interest aroused?
Then we look forward to your contact at 041 511 45 41.
Property Details
- Property type
- Apartment
- Living space
- 150 m²
- Rooms
- 5.5
- Floor
- Floor 1
- Year Built
- 2027
- Published on
- 04.11.2026
Features
Mentioned in the description
Documents
Price
- Purchase Price
- CHF 1'430'000
- Price per m²
- CHF 9'533
Location
Boniswilerstrasse 12 5707 Seengen
Nearby
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Neighbourhood
Fairly green
57% green and natural space within 500 m.
Quiet neighbourhood
Small and larger households · around 12 people in the neighbourhood.
Municipal tax multiplier
72 %
Lower than 98% of municipalities in the canton
ESTV · 2026
CHF 9'331 income tax a year · Single person without children, gross wage CHF 100'000
- 27.9 Rp/kWh
Noise & quiet60 dBDay
Road and rail noise in the surroundings
Calculated from the federal noise model: the mean over the hectare (100 × 100 m) of the surroundings, model year 2021.
Night
47 dB
Loudest source
Road
Calculated level, placed on a scale of everyday sounds.
Environment
Air within the Swiss limits
At least one pollutant is above its WHO guideline; all meet the Swiss limit.
Radon: class 2–10%
The federal radon map estimates that 2 to 10% of the buildings here exceed the reference value of 300 Bq/m³.
Connectivity
Fibre in parts of the surroundings only
In at most 10% of the buildings around
5G outdoors
In the network models of 3 operators.
Mobile: as of 2026
Viewing
Domenico Suverato













