Grenchen
Municipality in the canton of Solothurn · FSO no. 2546
Parcel data from Jul 2025, statistics computed on 26 Sept 2026.
Open map at the Grenchen center
The parcel data lists 4’060 parcels in Grenchen, covering 26 km². 73.4% of them have at least one registered building. The median parcel measures 792 m².
Key figures
- Parcels
- 4’060
- 3.4% of the canton
- Total area
- 26 km²
3.7% of the canton
- Median area
- 792 m²
Canton: 871 m²
Switzerland: 870 m²
- Built share
- 73.4%
Canton: 53.2%
Switzerland: 52%
- Median year built
- 1965
Canton: 1982
Switzerland: 1976
About Grenchen
Grenchen is a municipality in the canton of Solothurn and holds 3.4% of the canton's parcels in the data, on 3.7% of their area. The median parcel in Grenchen measures 792 m², about the same as the canton median of 871 m². Grenchen is more built-up than the canton as a whole: 73.4% of its parcels have a building, against 53.2% across the canton.
The zones with the most parcels are Wohnzone, Bauklasse 3 (22.5%), Wohnzone, Bauklasse 2 (19.6%) and Wohnzone, Bauklasse 2 am Hang (13.3%). In total, Grenchen uses 49 zone designations.
According to the building register, Grenchen has 4’753 buildings with 10’636 dwellings, 2.2 dwellings per building on average. Residential buildings mix single-family houses and buildings with several dwellings: single-family houses make up 53.9% of them. Non-residential buildings account for 33% of all buildings.
Built parcels most often have their newest building from 1946 to 1960 (23.1% of them), and 18.1% have one from 2001 or later. The median year built, 1965, is earlier than in the canton as a whole (1982).
Built and unbuilt parcels
Built: 2’979 (73.4%)Unbuilt: 1’081 (26.6%)
Parcels by zone
| Zone | Parcels | Area | Built |
|---|---|---|---|
| Wohnzone, Bauklasse 3 | 915 | 0.86 km² | 94.3% |
| Wohnzone, Bauklasse 2 | 796 | 0.61 km² | 90.8% |
| Wohnzone, Bauklasse 2 am Hang | 542 | 0.48 km² | 92.3% |
| Verkehrszone Strasse | 343 | 0.65 km² | 7.3% |
| Landwirtschaftszone | 339 | 7.42 km² | 15.9% |
| Wohnzone, Bauklasse 4 | 125 | 0.21 km² | 89.6% |
| Verkehrsfläche Strasse | 116 | 0.27 km² | 0.0% |
| Zentrumszone, Bauklasse 4 | 101 | 0.10 km² | 84.2% |
| Arbeitszone 1, Bauklasse 4 | 100 | 0.23 km² | 92.0% |
| Zentrumszone, Bauklasse 5 | 81 | 0.08 km² | 71.6% |
| Wohnzone, Bauklasse 3 am Hang | 73 | 0.10 km² | 93.2% |
| Arbeitszone 2, Bauklasse 5 | 63 | 0.39 km² | 77.8% |
| Other zones (37 labels) | 466 | 14.64 km² | 75.1% |
Zone names are the municipal designations. A canton lists each wording separately.
Building stock
The building register lists 4’753 buildings with 10’636 dwellings here; 1’622 of them are single-family houses.
- Buildings
- 4’753
- Dwellings
- 10’636
- Single-family houses
- 1’622
- Building volume
- 9.2 million m³
Buildings by category
Construction periods
Built parcels by construction period of their newest buildingMaps and geodata for Grenchen
geopool works as a GIS and geoportal for Grenchen. Its parcel map shows the parcels of the official cadastral survey with their area, their zone from the municipal zoning plan and their buildings, on swisstopo maps. Building zones, the property map and the geodata of each parcel open on the geopool map. The ÖREB extract of a parcel (public-law restrictions on landownership) is in lookup.
Explore more data for Grenchen
- Building zones and density Grenchenin room
- ÖREB extract Grenchenin lookup
- Building age Grenchenin roots
- Building heights and headroom Grenchenin roofs
- Solar potential Grenchenin soolar
- Points of interest and accessibility Grenchenin scoore
- Tax rates Grenchenin taxoo
More municipalities in the canton of Solothurn
- Biberist2’781 parcels
- Breitenbach2’466 parcels
- Buchegg2’851 parcels
- Büren (SO)2’490 parcels
- Dornach2’697 parcels
- Erlinsbach (SO)2’529 parcels
- Hochwald4’017 parcels
- Kleinlützel2’990 parcels
- Nuglar-St. Pantaleon3’013 parcels
- Nunningen2’967 parcels
- Olten3’631 parcels
- Seewen3’348 parcels