Fehren: observed built density
Municipality in the canton of Solothurn · FSO no. 2616 · Parcel data as of July 2025
- Parcels
- 488
< 1 % of the canton
- Municipal zones
- 12
- Median utilization
- 10 %
Canton: 29 %
Switzerland: 10 %
- Median GFZ
- 0.10
Canton: 0.10
Switzerland: 0.09
- Median height
- 9.0 m
Canton: 9.2 m
Switzerland: 9.5 m
- Median floors
- 2.0
Canton: 2.2
Switzerland: 2.3
About Fehren
Fehren is a municipality in the canton of Solothurn. The parcel data lists 488 parcels in 12 municipal zone types. The zone types with the most parcels are Wohnzone 2-geschossig (241), Landwirtschaftszone (121) and Verkehrszone Strasse (32).
The median parcel is built to a volume utilization of 10 %; half of the parcels lie between 5 % and 104 %. The canton median is 29 %, so Fehren sits below it.
The median building height is 9.0 m at 2.0 floors, and the median floor-area ratio (GFZ) is 0.10. Parcels built in the last 20 years reach a mean volume utilization of 107 % (43 parcels), higher than the 58 % across all building years.
Parcels by municipal zone
| Zone | Parcels | Median utilization |
|---|---|---|
| Wohnzone 2-geschossig | 241 | 96 % |
| Landwirtschaftszone | 121 | 0 % |
| Verkehrszone Strasse | 32 | 0 % |
| Kernzone | 28 | 77 % |
| Wald | 24 | 0 % |
| Verkehrsfläche Strasse | 13 | 0 % |
| Gewerbezone mit Wohnnutzung | 8 | 42 % |
| Wohnzone 1-geschossig | 8 | 114 % |
| Zone für öffentliche Bauten und Anlagen | 7 | 0 % |
| Freihaltezone | 3 | 0 % |
| Gewässer | 2 | 0 % |
| Reservezone Wohnzone, Mischzone, Kernzone und Zentrumszone | 1 | 100 % |
Volume utilization (ratioV)
Of the 478 parcels with a value, half lie between 5 % and 104 %. The median is 10 % and the mean 54 %.
Share of parcels by range
- below 50 %53 %
- 50 % to below 100 %19 %
- 100 % to below 150 %22 %
- 150 % and above6 %
Floor-area ratio (GFZ)
Of the 478 parcels with a value, half lie between 0.05 and 0.44. The median is 0.10 and the mean 0.23.
Share of parcels by range
- below 0.5083 %
- 0.50 to below 1.0017 %
- 1.00 to below 1.501 %
- 1.50 and above0 %
Building height
Of the 242 parcels with a value, half lie between 8.0 m and 10.0 m. The median is 9.0 m and the mean 9.1 m.
Share of parcels by range
- below 8 m25 %
- 8 m to below 12 m68 %
- 12 m to below 20 m7 %
- 20 m and above0 %
Number of floors
Of the 192 parcels with a value, half lie between 1.7 and 2.4. The median is 2.0 and the mean 2.0.
Share of parcels by range
- below 214 %
- 2 to below 368 %
- 3 to below 518 %
- 5 and above0 %
Building age cohorts
Mean volume utilization of the parcels built inside each window, from all years on record down to the last five. The windows overlap: the last 20 years include the last 5.
| Built in | Parcels | Mean utilization |
|---|---|---|
| All years | 488 | 58 % |
| Last 60 years | 188 | 113 % |
| Last 40 years | 129 | 120 % |
| Last 20 years | 43 | 107 % |
| Last 15 years | 32 | 112 % |
| Last 10 years | 19 | 114 % |
| Last 5 years | 12 | 117 % |
How to read this page
room shows observed built density: what has been built on the parcels, not what the zoning permits. Volume utilization (ratioV) compares the built volume of a parcel with the reference volume of its municipal zone type. The floor-area ratio (GFZ) is floor area divided by parcel area; building height and number of floors are taken from the buildings on a parcel. Figures pool all municipal zones of the area. Medians and quartiles are read from bins 10 points (ratioV), 0.1 (GFZ), 2 m (height) and 1 floor wide, so they are exact to within one bin; means are exact. A parcel counts in a distribution only when the parcel data has a value for it. The floors distribution leaves out parcels without a building (0 floors).