Olten: building age and utilization
Canton of Solothurn · 3'631 parcels in municipal zones · Parcel data of September 2026
- Parcels in zones
- 3'631
- Municipal zones
- 41
- Median utilization (ratioV)
- 100%
- Newest building from 2006 or later
- 7%
- Median building height
- 12.1 m
- Median floors
- 3.1
Overview
Olten: the parcel data lists 3'631 parcels in 41 municipal zones.
The median volume utilization (ratioV, as built today) is 100%, the average 109%. For comparison: canton of Solothurn, median 30%.
7% of the parcels have a newest building from 2006 or later. Their average utilization is 544%, against 175% for all parcels.
The median building height is 12.1 m and the median number of floors is 3.1.
Building age
Each parcel is counted by the construction year of its newest building. The oldest band also holds parcels without a building year, such as unbuilt land.
| Newest building | Parcels | Share |
|---|---|---|
| 2021 or later | 20 | 0.6% |
| 2016-2020 | 34 | 0.9% |
| 2011-2015 | 153 | 4% |
| 2006-2010 | 61 | 2% |
| 1986-2005 | 260 | 7% |
| 1966-1985 | 338 | 9% |
| 1965 or earlier, or no year | 2'765 | 76% |
Utilization by construction window
| Newest building | Parcels | Average utilization |
|---|---|---|
| Built 2021 or later | 20 | 87% |
| Built 2016 or later | 54 | 97% |
| Built 2011 or later | 207 | 676% |
| Built 2006 or later | 268 | 544% |
| Built 1986 or later | 528 | 380% |
| Built 1966 or later | 866 | 337% |
| All parcels | 3'631 | 175% |
Utilization (ratioV)
ratioV is the volume utilization of a parcel in percent, as built today; values above 100% occur on densely built parcels. The lowest bucket is mostly land with little or no building volume.
| Utilization (ratioV) | Parcels | Share |
|---|---|---|
| Under 10% | 687 | 19% |
| 10-50% | 197 | 5% |
| 50-100% | 911 | 25% |
| 100-150% | 1'046 | 29% |
| 150-200% | 469 | 13% |
| 200% or more | 274 | 8% |
Median: 100% · Average: 109% · Based on 3'584 parcels with a value.
Building height
Building height in meters, for parcels with a height value.
| Building height | Parcels | Share |
|---|---|---|
| Under 6 m | 52 | 2% |
| 6-10 m | 505 | 18% |
| 10-16 m | 1'899 | 66% |
| 16-30 m | 405 | 14% |
| 30 m or more | 9 | 0.3% |
Median: 12.1 m · Average: 12.7 m · Based on 2'870 parcels with a value.
Floors
Number of floors, for parcels with a floor count.
| Floors | Parcels | Share |
|---|---|---|
| 1 | 920 | 28% |
| 2 | 663 | 20% |
| 3 | 1'228 | 37% |
| 4 | 282 | 8% |
| 5-6 | 203 | 6% |
| 7 or more | 37 | 1% |
Median: 3.1 · Average: 2.3 · Based on 3'333 parcels with a value.
Other municipalities in the canton
| Place | Parcels | Median utilization | Median floors |
|---|---|---|---|
| Grenchen | 4'060 | 78% | 2.4 |
| Hochwald | 4'017 | 6% | 0.6 |
| Seewen | 3'348 | 6% | 0.6 |
| Nuglar-St. Pantaleon | 3'013 | 6% | 0.6 |
| Kleinlützel | 2'990 | 6% | 0.6 |
| Nunningen | 2'967 | 7% | 0.6 |
| Buchegg | 2'851 | 7% | 0.7 |
| Biberist | 2'781 | 83% | 2.3 |
| Dornach | 2'697 | 59% | 2.2 |
| Erlinsbach (SO) | 2'529 | 8% | 0.8 |
| Büren (SO) | 2'490 | 6% | 0.6 |
| Breitenbach | 2'466 | 8% | 0.8 |
Explore
Method and data
The figures come from the Swiss parcel data (zone statistics of the RES service, pulled in September 2026). Each municipal zone is summarized on its own; a municipality is the sum of its zones, a canton the sum of its municipalities and Switzerland the sum of the cantons. Parcels outside a municipal zone are not counted.
Age uses the construction year of the newest building on a parcel. The distributions leave out the most extreme values, so the parcels with a value can be fewer than all parcels. Percentages are shares of the counts shown; medians are read from the buckets and are exact to within one bucket.
The pages describe what has been built and measured. They are not a forecast, a valuation or a statement of what may be built.