Urdorf: observed built density
Municipality in the canton of Zurich · FSO no. 250 · Parcel data as of July 2025
- Parcels
- 1’715
< 1 % of the canton
- Municipal zones
- 23
- Median utilization
- 52 %
Canton: 40 %
Switzerland: 10 %
- Median GFZ
- 0.31
Canton: 0.22
Switzerland: 0.09
- Median height
- 10.2 m
Canton: 10.5 m
Switzerland: 9.5 m
- Median floors
- 2.5
Canton: 2.8
Switzerland: 2.3
About Urdorf
Urdorf is a municipality in the canton of Zurich. The parcel data lists 1’715 parcels in 23 municipal zone types. The zone types with the most parcels are Wohnzone 2/45% (344), Kantonale Landwirtschaftszone (291) and Wohnzone 2/25% (280).
The median parcel is built to a volume utilization of 52 %; half of the parcels lie between 6 % and 92 %. The canton median is 40 %, so Urdorf sits above it.
The median building height is 10.2 m at 2.5 floors, and the median floor-area ratio (GFZ) is 0.31. Parcels built in the last 20 years reach a mean volume utilization of 108 % (129 parcels), higher than the 54 % across all building years.
Parcels by municipal zone
| Zone | Parcels | Median utilization |
|---|---|---|
| Wohnzone 2/45% | 344 | 76 % |
| Kantonale Landwirtschaftszone | 291 | 0 % |
| Wohnzone 2/25% | 280 | 81 % |
| Kernzone 2/50% | 226 | 84 % |
| Wald | 122 | 0 % |
| Industriezone 5 | 101 | 35 % |
| Wohnzone 3/55% | 76 | 57 % |
| Wohnzone 2/30% | 52 | 75 % |
| Wohnzone G2/45% | 46 | 91 % |
| Kernzone B/50% | 40 | 78 % |
| Zone für öffentliche Bauten | 27 | 8 % |
| Zentrumszone 4/75% | 25 | 48 % |
| Other zones (11) | 85 | - |
Volume utilization (ratioV)
Of the 1’692 parcels with a value, half lie between 6 % and 92 %. The median is 52 % and the mean 51 %.
Share of parcels by range
- below 50 %49 %
- 50 % to below 100 %32 %
- 100 % to below 150 %17 %
- 150 % and above3 %
Floor-area ratio (GFZ)
Of the 1’690 parcels with a value, half lie between 0.06 and 0.65. The median is 0.31 and the mean 0.40.
Share of parcels by range
- below 0.5065 %
- 0.50 to below 1.0024 %
- 1.00 to below 1.507 %
- 1.50 and above3 %
Building height
Of the 965 parcels with a value, half lie between 8.3 m and 12.2 m. The median is 10.2 m and the mean 10.5 m.
Share of parcels by range
- below 8 m21 %
- 8 m to below 12 m53 %
- 12 m to below 20 m24 %
- 20 m and above3 %
Number of floors
Of the 749 parcels with a value, half lie between 1.9 and 3.2. The median is 2.5 and the mean 2.6.
Share of parcels by range
- below 27 %
- 2 to below 345 %
- 3 to below 544 %
- 5 and above4 %
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 | 1’715 | 54 % |
| Last 60 years | 686 | 94 % |
| Last 40 years | 389 | 103 % |
| Last 20 years | 129 | 108 % |
| Last 15 years | 92 | 105 % |
| Last 10 years | 49 | 106 % |
| Last 5 years | 22 | 93 % |
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).