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Cologny?Exceptional Duplex
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CHF6'900'000

8 rooms · 368 m²

8 room Maisonette in Cologny

1223 Cologny(postcode area)

Description

Machine translated

Cologny?Exceptional Duplex

Behind a discreet facade, a spectacular duplex with rare volumes is revealed, entirely renovated in a resolutely contemporary spirit.

Bathed in light thanks to its large openings and impressive ceiling heights, the apartment offers a unique atmosphere, close to that of a contemporary house suspended above the greenery.

Developed over two levels, this exceptional property features vast reception areas in a row, including an impressive double living room, a fireplace area, an elegant dining room, and a superb fully equipped kitchen designed as a true place of life and conviviality.

The carefully selected materials – marble, custom-made woodwork, and high-end finishes – reinforce the exclusive and refined character of the whole.

The night area welcomes four elegant private suites offering comfort, intimacy, and numerous storage spaces.

A beautiful terrace benefiting from unobstructed views of the countryside and mountains, a cellar, and two indoor double boxes complete this rare property located in one of the most sought-after addresses in Cologny.

Property Details

Property type
Maisonette
Living space
368 m²
Rooms
8
Last renovated
2020
Published on
29.10.2026

Features

Elevator
Balcony
Parking
Nice View

Mentioned in the description

Price

Purchase Price
CHF 6'900'000
Price per m²
CHF 18'750
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Location

1223 Cologny

Nearby

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Neighbourhood

Poor public transit

ARE transit class D — a car is needed for most trips.

Mostly built-up

96% built-up area within 500 m.

Quiet neighbourhood

Small and larger households · around 15 people in the neighbourhood.

Municipal tax multiplier

25 %

Lower than 99% of municipalities in the canton

ESTV · 2026

CHF 12'184 income tax a year · Single person without children, gross wage CHF 100'000

24.9 Rp/kWh
Noise & quiet40 dBDay
40dB

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

31 dB

Loudest source

Road

Quieter than 97% of the 3'043 listings in the canton

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 up to 1%

The federal radon map estimates that at most 1% 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

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