On the doorstep of the airport and the place des Nations, Grand-Saconnex lives to the rhythm of international Geneva.
Buying in Grand-Saconnex means paying more per square metre than almost anywhere in Geneva: CHF 13,500 for a flat. The gap holds even on older stock, so renovation work rarely comes off the asking price the way it does elsewhere. Geneva publishes what actually sold. In Grand-Saconnex that comes to 148 completed transactions over 2 years, at a median of CHF 1,250,000 per property in total price. Set that against listing prices and you get a measure of local negotiating room. A gap of 14 percent over the Geneva median is not statistical noise. It measures what buyers accept to pay for the location itself, and it holds through the cycle instead of appearing in one strong year.
Position 13 of 45 in Geneva puts Grand-Saconnex among communes with similar price levels and often very different housing stock. Two communes can share a rank and still value the same flat differently once age and condition are taken in. The last twelve months added 2.7 percent in Grand-Saconnex. Rises of this order usually come from a shortage of listings rather than from a wave of new buyers, and they unwind faster than they build.
Current supply in Grand-Saconnex stands at 157 properties for sale. Low counts favour sellers and shorten negotiations, high counts do the opposite, and the figure moves enough through the year that you should check it again before listing. 1961-1970 accounts for 11 percent of homes in Grand-Saconnex, ahead of the other periods without dominating them. A mixed stock widens the price range inside one commune: two flats of the same size can be a third apart on condition alone.
At 3.4 rooms and 91 m² on average, homes in Grand-Saconnex are sized for households rather than single occupants. If you are looking for a studio or a two-room flat, expect a thinner choice and less room to negotiate. The 25-year record opens at CHF 3,700 and closes at CHF 10,100, +173 percent apart. Use it to sanity-check an estimate rather than to project forward, since nothing in the series promises the next decade repeats it. In Grand-Saconnex the difference between two flats on the same street can run into six figures. Getting your own number, rather than reading the commune median, is what makes that difference visible before you set a price.
Building stock data: Federal Register of Buildings and Dwellings, FSO, updated August 3, 2026
Market data updated on August 24, 2026
A range set against land registry sales and the profile of your property.
Value my property →CHF 13,500 per m² is the current median for flats in Grand-Saconnex. It covers every sale, new and old, so a renovated flat sits above that line and one still needing works sits below it.
The reference is CHF 13,600 per m² in Grand-Saconnex. It averages a small number of sales, since houses change hands far less often than flats, so treat it as a bracket to work inside rather than as a price.
The dominant band in Grand-Saconnex is 1961-1970, which covers 11 percent of homes. Average size runs to 3.4 rooms, so the commune is built mainly for households rather than for single occupants or short stays.