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5.5-Room New-Build Apartment in Exclusive Location Seengen AG
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CHF1'430'000

5.5 rooms · 150 m² · Floor 1

5.5 room Apartment in Seengen

Boniswilerstrasse 12, 5707 Seengen

Description

Machine translated

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

Elevator
Balcony
Parking
Garage

Mentioned in the description

Documents

Price

Purchase Price
CHF 1'430'000
Price per m²
CHF 9'533
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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
60dB

noise level by day

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

LibraryRainConversationTrafficLoud

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

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