House prices in Onex

The average property price in Onex is CHF 12’688 per m² in June 2026.

Price per m²

Rent per m²

ⓘ

Model based on listings, historical sales, professional appraisals, and Swiss geospatial data (SwissTLM3D, Opendata.swiss, SRED, OpenStreetMap), verified and updated monthly – see our full price calculation methodology.

Apartments

CHF 12’004

CHF 6’996 - CHF 27’028

Houses

CHF 13’019

CHF 8’088 - CHF 34’960

Median price per m² as – June 2026 - How are our prices calculated?

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Evolution of Real Estate Prices and Market Trends in Onex

Over the past 12 months, house prices have increased by +1.9%, while apartment prices have risen by +2.2%. The chart below illustrates the evolution of property prices in Onex over the past 25 years.

Over a period of 25 years, the price per square meter has recorded an increase of +133.6% for houses and a rise of +156.5% for apartments, thus illustrating the housing market trends over time.

Apartments

Houses

3 months

+0.5%

6 months

-1.1%

1 year

+2.2%

5 years

+11.5%

10 years

+43%

20 years

+95.4%

25 years

Max

+156.5%

OnexCanton of GenevaSwitzerland

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Recent transactions in Onex

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House prices in Onex

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Property prices by street in Onex


Chemin Charles-Borgeaud	CHF 15’573
Chemin Bord-d'Aire	CHF 15’334
Chemin de la Blanchette	CHF 14’997
Chemin de la Grande-Mône	CHF 14’659
Chemin de la Genevrière	CHF 14’587
Chemin du Barbolet	CHF 14’369
Chemin du Champ-des-Noyers	CHF 14’232
Chemin des Merles	CHF 14’187
Route du Grand-Lancy	CHF 13’964
Chemin de Cressy	CHF 13’666
Chemin David-Brolliet	CHF 13’406
Chemin François-Chavaz	CHF 13’378
Route de Chancy	CHF 13’353
Chemin des Verjus	CHF 13’310
Chemin A.-P.-de-Montesquiou	CHF 13’182
Chemin de la Dode	CHF 12’872
Chemin de Sur-le-Beau	CHF 12’869
Chemin des Laz	CHF 12’798
Chemin du Pré-Longet	CHF 12’655
Chemin du Cercle	CHF 12’504
Chemin du Pont-du-Centenaire	CHF 12’500
Chemin de la Vi-Longe	CHF 12’393
Vieux Chemin d'Onex	CHF 12’384
Chemin de Tirelonge	CHF 12’377
Chemin des Trévisans	CHF 12’284
Chemin du Bocage	CHF 12’248
Rue Gaudy-Le-Fort	CHF 12’168
Chemin de l'Aulne	CHF 12’039
Rue de Bandol	CHF 12’008
Chemin des Mouilles	CHF 11’986
Avenue du Bois-de-la-Chapelle	CHF 11’602
Route de Loëx	CHF 11’475
Rue Edouard-Vallet	CHF 11’429
Chemin de la Planche-d'Aire	CHF 11’427
Chemin Victor-Duret	CHF 11’387
Chemin de Belle-Cour	CHF 11’291
Avenue des Grandes-Communes	CHF 11’277
Chemin Champ-du-Puits	CHF 11’183
Rue des Bossons	CHF 11’048
Chemin de la Bordière	CHF 11’021
Chemin Belle-Cour	CHF 11’008
Chemin Longe-l'Aire	CHF 10’717
Chemin Jean-Faizan	CHF 10’678
Chemin des Pampres	CHF 10’627
Chemin Paul-Rose	CHF 10’145
Rue de la Calle	CHF 10’103
Chemin Gustave-Rochette	CHF 9’473

Average prices in Onex

House prices

The median price for a house on the market is CHF 2’226’222. The selling price for 80% of properties falls between CHF 1’383’023 and CHF 5’978’230. The average price per m² in Onex for a house is CHF 13’019 / m² (price per square meter).

Property type	Average price
House: 4 rms.	House: 4 rms.	CHF 1.7M
House: 5 rms.	House: 5 rms.	CHF 1.9M
House: 6 rms.	House: 6 rms.	CHF 2.1M
House: 7 rms.	House: 7 rms.	CHF 2.4M
House: 8 rms.	House: 8 rms.	CHF 3M

Price Range (CHF)

Apartment prices

The median price for an apartment on the market is CHF 1’200’379. The selling price for 80% of properties falls between CHF 699’558 and CHF 2’702’840. The average price per m² in Onex for an apartment is CHF 12’004 / m² (price per square meter).

Property type	Average price
Studio	Studio	CHF 874k
Apt: 2 rms.	Apartment: 2 rms.	CHF 903k
Apt: 3 rms.	Apartment: 3 rms.	CHF 993k
Apt: 4 rms.	Apartment: 4 rms.	CHF 1.2M
Apt: 5 rms.	Apartment: 5 rms.	CHF 1.4M

Price Range (CHF)

Average monthly rents in Onex

Monthly rent for houses

The median monthly rent for a house is CHF 5’675. The rent for 80% of properties falls between CHF 3’526 and CHF 15’240. The average yearly rent per m² in Onex for a house is CHF 398 / m² (price per square meter).

Property type	Average rent
House: 4 rms.	House: 4 rms.	CHF 3’790
House: 5 rms.	House: 5 rms.	CHF 4’947
House: 6 rms.	House: 6 rms.	CHF 5’861
House: 7 rms.	House: 7 rms.	CHF 7’207
House: 8 rms.	House: 8 rms.	CHF 9’383

Monthly Rent Range (CHF)

Monthly rent for apartments

The median monthly rent for an apartment is CHF 5’433. The rent for 80% of properties falls between CHF 3’166 and CHF 12’232. The average yearly rent per m² in Onex for an apartment is CHF 652 / m² (price per square meter).

Property type	Average rent
Studio	Studio	CHF 935
Apt: 2 rms.	Apartment: 2 rms.	CHF 1’283
Apt: 3 rms.	Apartment: 3 rms.	CHF 1’730
Apt: 4 rms.	Apartment: 4 rms.	CHF 2’311
Apt: 5 rms.	Apartment: 5 rms.	CHF 3’088