A small commune just south of Delémont, Rossemaison is largely residential and only minutes from the centre of the capital.
Flats in Rossemaison change hands around CHF 4,800 per m², well above what the rest of Jura pays. The premium is priced into the land more than into the building, which is why two similar houses here can be valued very differently. Paying 17 percent more than the cantonal median buys location, not floor space. The same budget moved to a neighbouring commune would typically add a room, and that is the trade most buyers here have already made. Position 7 of 49 in Jura puts Rossemaison 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.
Flat prices in Rossemaison are up 2.6 percent over twelve months. One year is a short window, so measure it against the longer trajectory before you read it as a change of direction. Against the Delémont district the gap comes to 7 percent. This is the comparison that carries weight for an estimate, because communes in one district share a labour market, a transport network and the same pool of buyers.
1971-1980 accounts for 17 percent of homes in Rossemaison, ahead of the other periods without dominating them. A mixed stock widens the price range inside one commune, where two flats of the same size can be a third apart on condition alone. The average home in Rossemaison has 4.4 rooms for 123 m². That ratio describes the shape of local demand better than the price does. Many small rooms point to family housing, fewer and larger ones to conversions and new build.
Half the flats sold in Rossemaison went above CHF 4,800 per m² and half below, which puts the commune 17 percent from the Jura median. One exceptional sale barely moves a median, and that is why we use it instead of an average. From CHF 4,200 to CHF 6,800 per square metre in 25 years, +62 percent in all. The path was not a straight line, and the flat or falling stretches inside it are precisely what a long average hides. Rossemaison turns over enough stock to give a reliable read. The practical benefit shows at negotiation, where both sides can point to comparable sales from the same year, which shortens the distance between asking price and signature.
In Rossemaison 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 from the Federal Register of Buildings and Dwellings (FSO), updated October 18, 2026
Market data updated on October 12, 2026
A range set against the price levels of your commune and the profile of your property.
Value my property →Around CHF 4,800 per m² for a flat, which is 17 percent from the Jura median. Houses are priced separately and usually land somewhere else entirely, so work from the figure that matches your property type.
Count on roughly CHF 4,800 per m² for a house in Rossemaison. That rate applies to habitable surface, which leaves out the garage, the cellar and any unconverted attic, all of which add value but never at the same rate.
Homes in Rossemaison average 4.4 rooms, with 1971-1980 the most common construction period at 17 percent. The mix means condition varies a lot from one building to the next, and condition is what pulls two similar flats apart on price.