CHF2'650'000
1223 Cologny
ARE transit class D — a car is needed for most trips.
96% built-up area within 500 m.
Mostly couples and singles · around 14 people in the neighbourhood.
25 %
Lower than 100% 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
28 dB
Loudest source
Road
Quieter than 94% 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.
William SIEGFRIED
Exclusive!
Ideally located in Cologny, in a residential street and absolute calm, this magnificent 4.5-room attic apartment offers a privileged living environment, within a recent condominium responding to the THPE (Très Haute Performance Energétique) label. It benefits from a peaceful and green environment, while also enjoying the proximity of amenities and main traffic axes.
With a weighted area of 125 m², it has a beautiful 64 m² terrace, offering a triple orientation as well as a pleasant view of the Jura and Mont Blanc. This generous outdoor space is a true extension of the living areas and allows you to fully enjoy the privileged environment of the property.
The apartment is distributed as follows:
Day area
Night area
The apartment benefits from underfloor heating, while the building has an elevator. The monthly PPE charges are approximately CHF 774.
Two parking spaces in the basement, equipped with an electric vehicle charger, as well as a large cellar with a secure door complete this property.
For any additional information or to organize a visit, we thank you for contacting William Siegfried 7 days a week at 079 576 95 79 or for responding directly to the ad.