CHF1'220'000
Boniswilerstrasse 12, 5707 Seengen·4 days ago
As of 24 Aug 2026
The asking price is 43.7% above the median of .
This listingCHF 1'220'000
CHF 849'000
Median
Is there room to negotiate?
A typical listing stays on the market for about 29 days. 1.2% of active listings have cut their asking price in the last 90 days. Asking prices per m² are about 1.7% higher than a month ago.
58% green and natural space within 500 m.
Mostly singles and couples · around 14 people in the neighbourhood.
72 %
Lower than 98% of municipalities in the canton
ESTV · 2026
Times refer to the route on foot.
noise level by day
Elevated noise levels
More exposed to traffic noise than typical residential spots.
Night
48 dB
Loudest source
Road
Louder than 84% in the canton
Measured noise level, placed on a scale of everyday sounds.
Pollutant levels are below the WHO guideline.
Hardly any elevated radon levels in the area.
A few buildings
Available from 3 networks.

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 4.5-room garden apartments with a living area of around 118.06 m² are 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-P standard and meets the highest requirements for sustainability and modern living.
Room Concept
The two garden apartments have open-plan living and dining areas with direct access to seating areas and balconies distributed over 60 to 80 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 room offer is complemented by two bathrooms, a practical reduction, elevator, a private basement compartment, and a sustainable construction method with geothermal heating.
Two exclusive underground parking spaces can be purchased additionally.
The expected completion date is planned for the end of 2027.
Highlights:
Conclusion?
New. Exclusive architecture. Rare.
Interest Aroused?
Then we look forward to your contact at 041 511 45 41.