Canton of Geneva · 1223 · 5’546 inhabitants

Estate agency in Cologny (Genève)

The most prestigious municipality in the canton, Cologny is world-renowned for its exceptional villas on the Left Bank of Lake Geneva, with panoramic views of Mont Blanc.

Average price per m²19’500CHF/m²
Time to sell120days on average
Five-year change+18.2%2020 → 2026
Transactions per year~45valuation
The municipality

Cologny, the most coveted address on the Left Bank.

On the heights above the harbour, Cologny (1223) remains one of the most sought-after addresses in Switzerland — and one of the rarest in Europe. Views over the lake and the Jet d'eau, the golf course, international schools minutes away, the port of La Belotte and the Bodmer Foundation: ten minutes from central Geneva, the municipality gathers what others need a whole region to offer.

The market is narrow and discreet: around forty transactions a year, most of them concluded away from the portals, between buyers already searching and well-advised owners. From La Belotte, with its direct lake view, to Chemin de Ruth and its family villas, from Pré-Byron to the Frontenex sector: values vary twofold depending on the plot and the exposure.

Rousseau 5 follows every transaction recorded in the municipality and knows its lanes — from the village to the crests, from Frontenex to Port-Noir. It is this fine-grained reading, address by address, that makes the difference when valuing, buying or selling a property in Cologny.

Cologny, key figures

  • Postcode1223
  • Inhabitants5’546
  • BankLeft Bank — lakeside slopes
  • Central Geneva≈ 10 min
  • Housing profileVillas & exceptional properties
  • Official websitecologny.ch
Market data · Cologny

Sales history 2026

Calculated automatically from transactions recorded in the municipality — nothing is entered by hand, nothing is estimated.

33
Transactions 2026 (year to date)
including 20 apartments · 13 houses
266.7M
Total volume CHF (year to date)
including 71.8M apartments · 194.9M houses
15M
Average house price
3.6M
Average apartment price

Breakdown by number of transactions

33sales
Houses1339.4%
Apartments (condominium)2060.6%

Breakdown by volume (CHF)

266.7MCHF total
HousesAvg. CHF 15M194.9M73.1%
Apartments (condominium)Avg. CHF 3.6M71.8M26.9%
The real market · 2025–2026

What actually sold in Cologny

Not asking prices — prices agreed and officially recorded. This is the reference we use to value your property or defend your offer.

Type Land Sale price Date
Apartment CHF 2’350’000 June 2026
House 1’627 m² CHF 22’700’000 June 2026
Apartment CHF 1’950’000 June 2026
House 1’616 m² CHF 6’670’000 June 2026
Apartment CHF 1’200’000 June 2026
Apartment CHF 2’590’000 June 2026
House 17’097 m² CHF 50’000’000 June 2026
Apartment CHF 1’330’000 June 2026

Sources: official transactions of the canton of Geneva. The table shows the commune’s sales over the last two calendar years.

Street by street

The streets where sales were recorded in Cologny

17 streets in Cologny recorded at least one sale over the last two calendar years. A median price is shown only from three sales onwards — below that, it would describe nothing but a single case.

  • Chemin de Planta 3 sales median CHF 1’475’000
  • Route de La-Capite 3 sales median CHF 22’700’000
  • Chemin de Grange-Canal 2 sales
  • Chemin de Ruth 2 sales
  • Chemin de la Tulette 2 sales
  • Chemin des Fourches 2 sales
  • Chemin Frank-Thomas 1 sale
  • Chemin de la Tour-Carrée 1 sale
  • Chemin des Hauts-Crêts 1 sale
  • Chemin du Coq-d'Inde 1 sale
  • Chemin du Môlan 1 sale
  • Chemin du Nant-d'Argent 1 sale
  • Chemin du Pré-Langard 1 sale
  • Chemin du Séchard 1 sale
  • Chemin du Vent-Blanc 1 sale
  • Quai de Cologny 1 sale
  • Route de Vandoeuvres 1 sale

Only sales whose address is resolved with certainty appear here. House numbers are not published: for a specific address, the tool below finds the sales around it. What your neighbour sold for →

Direct answer

Rousseau 5 is the Geneva Left Bank estate agency active in Cologny, specialising in the sale, valuation and appraisal of property (apartments, villas, prestige homes). Working on the Left Bank since 2012, the agency covers every neighbourhood of Cologny (La Belotte, Ruth, Pré-Byron, Frontenex). Free valuation within 24 hours, full support through to the notarial deed. Contact: .

The market in detail

Price per m² by neighbourhood in Cologny

Prices vary considerably from one neighbourhood to another. Here are the ranges observed in 2026.

NeighbourhoodMin. price CHF/m²Max. price CHF/m²Distinctive feature
La Belotte18’00030’000Direct lake view
Ruth17’00028’000Family villas
Pré-Byron16’00025’000Smart residential
Frontenex15’00022’000Border of Chêne-Bougeries
Villa-zone land · R5 market analysis

Indicative land prices in Cologny — 2026

▲ +33% in Cologny since 2021
AreaCHF/m² min.CHF/m² max.Change 2021→2026
Cologny — Standard (Gradelle)1’7102’310▲ +18%
Cologny — Lake view3’3104’810▲ +33%

Price in CHF/m² of zone 5 villa land, serviced, free of special constraints. Rousseau 5 market analysis — indicative values.

Change Cologny (CHF/m²)
2021
2’490
2022
2’720
2023
2’950
2024
3’140
2025
3’310
+820 CHF/m² in 5 yearsBuilding land performance · Cologny
Change

Property prices in Cologny: 2020 → 2026

2020 16’500 Pre-pandemic
2023 18’800 Post-COVID
2026 19’500 Today
Five-year change+18.2% since 2020
Market analysis

The Cologny property market: what you need to know

Cologny is the most exclusive market in the canton and one of the most sought-after addresses in Europe. Transactions are rare (around forty a year), mostly off-market and confidential. Properties with lake and Mont Blanc views regularly exceed 30,000 CHF/m²; some exceptional properties reach 40,000 to 50,000 CHF/m² for villas. The average selling time of 120 days reflects the specific clientele — international buyers, executives, wealthy families — and the need for discreet marketing. The municipal tax rate, among the lowest in the canton (29 centimes), durably attracts high earners.

Living there

Living in Cologny

Schools

  • Cologny and Pré-Picot primary schools, Chemin Frank-Thomas (within the municipality)
  • Primary school grouping Vandœuvres · Choulex · Cologny · Pré-Picot · Puplinge
  • La Gradelle secondary school (Chêne-Bougeries, nearby)
  • International School of Geneva — La Grande Boissière and École Moser (Chêne-Bougeries, nearby)

Transport

  • TPG bus 33 to Geneva
  • Geneva Mouettes boats (summer)
  • 10 min by car to central Geneva
  • Port of La Belotte

Shops & leisure

  • La Belotte beach
  • Cologny Golf Club (Bois-de-Bay)
  • Gourmet restaurants in the village
  • Martin Bodmer Foundation

Taxation

29municipal additional centimes

Among the most advantageous in the canton

Casatax, capital gains tax, tax value, development zone: the Geneva property vocabulary, defined

Investment score 9.5/10

An unmatched prestige address, rare properties, historically very solid appreciation, advantageous taxation — an international safe haven.

Average gross rental yield: 2.2%
Our method

How we value your property in Cologny

01

Local comparative analysis

Cross-referencing of completed transactions across the neighbourhoods of Cologny, adjusted per m² by micro-area — based on sales actually recorded.

02

Visit and on-site reading

Free visit within 48 hours. Assessment of general condition, fittings, aspect, service charges, surveys and the potential added value of works.

03

Calibration against the 2026 market

Applying the trend observed in Cologny and the municipality's typical buyer profile.

04

Confidential written report

Recommended price, lower and upper range, marketing strategy, estimated timeline. With no obligation.

What sets us apart

Why choose us as your agency in Cologny

Detailed knowledge of Cologny

On the Left Bank since 2012: the micro-markets, the neighbourhoods, the addresses — and their transactions.

A network of qualified buyers

A database of buyers actively searching, alerted first — including for off-market sales.

Transparent client rating

A transparent client rating, verifiable on Google.

Free valuation within 24 hours

A quick answer, with no obligation, entirely confidential.

A dedicated broker

The same contact from valuation to notarial deed — never a file passed from hand to hand.

Premium marketing

HD photography, 2D/3D plans, drone film, targeted multi-channel exposure — or complete discretion, off-market.

Compare

Cologny against neighbouring municipalities

MunicipalityAverage price per m²Five-year changeTime to sell
Cologny (you are here) 19'500 CHF +18.2% 120j
Vandœuvres 17'000 CHF +18.8% 130j
Collonge-Bellerive 16'500 CHF +18.5% 105j
Chêne-Bougeries 13'800 CHF +20% 85j
Genève 14'500 CHF +19.8% 75j
Our track record

What Rousseau 5 has marketed in Cologny

We do not discuss the Cologny market from the outside: we have run developments there, from planning application to handover of keys. That experience is what feeds our valuations.

Looking to buy in Cologny? Part of the market is never advertised — register your search and we will alert you first, including off-market.

Submit my search →
FAQ

FAQ — Property in Cologny

15 concrete answers to the questions most often asked about Cologny

What is the price per m² in Cologny in 2026?

The average price stands at around 19,500 CHF/m², with strong variations by sector: 18,000–30,000 CHF/m² at La Belotte (direct lake view), 17,000–28,000 on Chemin de Ruth, 16,000–25,000 at Pré-Byron and 15,000–22,000 towards Frontenex. Exceptional properties with lake access go well beyond these ranges.

Which is the best estate agency in Cologny?

The one that knows what one lane is worth compared with the next, and that reaches the buyers who never browse the portals. Rousseau 5, a Left Bank agency since 2012, follows every transaction recorded in Cologny and concludes most of this market off-market, in complete discretion.

How long does it take on average to sell a property in Cologny?

Around 120 days. This reflects the rarity of the properties and the specific clientele — international buyers, executives, wealthy families — rather than any difficulty in selling. Fair positioning from day one remains decisive.

How do I get a free valuation in Cologny?

In three minutes on our online valuation page, or with a Rousseau 5 broker who visits free of charge within 48 hours. On a Cologny property the visit is essential: the view, the depth of the plot and the exposure account for most of the value.

How much is the agency commission in Cologny?

The brokerage commission is discussed according to the property, the mandate and the support expected: there is no single rate. It is only due upon the successful sale, and it is set out in writing in the mandate.

Exclusive or open mandate in Cologny — which is better?

Exclusivity is the only serious approach on this market. A Cologny property exposed on several portals immediately loses perceived value; the sale is won in confidentiality, with a restricted circle of qualified buyers.

What is the property tax situation in Cologny?

The municipality applies 29 additional centimes — among the lowest in the canton, which explains part of its appeal to high earners. On resale, Geneva's IBGI applies according to the holding period (from 50% under 2 years to 2% beyond 25 years).

What are the notary fees when buying in Cologny?

Allow around 4% of the price: 3% registration duties, Land Registry fees and the notary's fees. At Cologny price levels, these costs represent significant sums to provision on top of your equity.

Which surveys are compulsory when selling in Cologny?

An asbestos survey for buildings predating 1991 — most of the municipality's historic villas. Add the installation checks, the Land Registry extract, the plans and any easements (access, view, shoreline).

How does a property inheritance work in Cologny?

Taxation of the gain is deferred: the heir takes over the deceased's holding period — a property passed on after several decades benefits from the floor IBGI rate of 2%. Rousseau 5 assists estates with a neutral valuation and a perfectly discreet sale.

Is it better to rent out or sell a property in Cologny?

The average gross rental yield is around 2.2% — the lowest on the Left Bank, mechanically, since capital values are the highest. The question is therefore one of wealth: keep an asset the market cannot reproduce, or capture a historically very solid gain.

What is an off-market sale in Cologny?

A sale without public advertising, reserved for qualified buyers. It is the norm in Cologny: most transactions are concluded this way, without the property ever appearing on a portal. Rousseau 5 drives this market with its base of international buyers.

Which are the best neighbourhoods in Cologny?

La Belotte for the direct lake view and access to the water; Chemin de Ruth for family villas on large plots; Pré-Byron for smart, quiet residential living; Frontenex, on the border of Chêne-Bougeries, for a more accessible entry to the municipality.

What is the buyer profile in Cologny?

An international clientele at the highest level: executives, wealthy families, relocating buyers. They look for the view, the discretion, the proximity of Geneva and the international schools — and decide quickly when the property is the right one.

Which municipalities border Cologny?

Geneva and Chêne-Bougeries to the west, Vandœuvres to the south, Collonge-Bellerive along the lake. Each municipality has its own dedicated market page.

A free, confidential and personalised valuation by a local broker. An answer within 24 hours.

Value my property

Rousseau 5 — Estate agency, Geneva Left Bank

Rousseau 5 has been the high-end estate agency specialising in residential property on Geneva's Left Bank since 2012. Villas, apartments, penthouses and off-market opportunities — every mandate is handled by a dedicated broker with precise knowledge of Cologny, Champel, Chêne-Bougeries, Collonge-Bellerive, Vandœuvres and the whole lakeside area.

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