CHF3'150'000
Buchenstrasse 42, 4104 Oberwil BL
As of 15 Sept 2026
The asking price is 61.5% above the median of .
This listingCHF 3'150'000
CHF 1'950'000
Median
Is there room to negotiate?
A typical listing stays on the market for about 24 days. 1.1% of active listings have cut their asking price in the last 90 days. Asking prices per m² are about 2.7% higher than a month ago.
ARE transit class C — usable but limited service.
70% built-up area within 500 m.
Mostly singles · around 21 people in the neighbourhood.
50 %
Lower than 94% of municipalities in the canton
ESTV · 2026
Times refer to the route on foot.
noise level by day
Quiet location
Hardly any road, rail or air traffic noise.
Night
36 dB
Loudest source
Road
Quieter than 67% 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.
Nearly all buildings
Available from 3 networks.

With the new construction project, an extraordinary residential residence with only three exclusive condominiums is being built in a privileged hillside location in Oberwil. The 4.5-room garden maisonette apartment offered here combines modern architecture, high-quality materials, and innovative building technology with a living feeling that is unparalleled. Construction has already begun, so the attractive new construction project is in the realization phase. As soon as you enter the apartment, it becomes clear that generosity and living comfort are the focus here. On approximately 182 m² of living space, a well-thought-out room concept extends over two levels. The openly designed living and dining area with adjacent kitchen forms the heart of the apartment and convinces with light-flooded rooms, generous window fronts, and a harmonious connection between indoors and outdoors. An absolute highlight of this exclusive garden maisonette apartment is the exceptional outdoor area. The spacious sun terrace with approximately 121 m² merges seamlessly into the extensive private garden with an area of approximately 610 m². Here, you can enjoy a high level of privacy, numerous hours of sunshine, and a unique ambiance for relaxed moments with family and friends. The lovingly designed garden area offers a variety of possibilities for individual realization and combines luxurious living with a natural way of life in a harmonious way. As a special extra, there is also the possibility of realizing a private pool and thus creating an exclusive wellness oasis directly in front of your own front door. In the basement, two spacious bedrooms complement the room offer. The high-quality equipment details, the above-average room heights of more than 2.60 meters, and the carefully coordinated materialization give the apartment an exclusive living ambiance. Technically, it also sets new standards. An intelligent smart home system enables the comfortable control of light, shading, and house technology. The modern air-water heat pump with free-cooling function ensures a pleasant room climate all year round, while the photovoltaic system supports sustainable and energy-efficient operation. Two parking spaces in the garage and the comfortable access via an exclusive car lift round off this exceptional offer. The sought-after residential location in Oberwil combines tranquility, nature, and quality of life with an excellent connection to Basel. Shopping facilities, schools, kindergartens, and public transport are in the immediate vicinity. The Leimental with its extensive local recreation areas is practically on the doorstep, making this location one of the most attractive residential areas in the Basel region. Highlights at a glance