Hallau: observed built density
Municipality in the canton of Schaffhausen · FSO no. 2971 · Parcel data as of July 2025
- Parcels
- 2’231
5 % of the canton
- Municipal zones
- 24
- Median utilization
- 17 %
Canton: 9 %
Switzerland: 10 %
- Median GFZ
- 0.08
Canton: 0.09
Switzerland: 0.09
- Median height
- 9.6 m
Canton: 10.0 m
Switzerland: 9.5 m
- Median floors
- 2.3
Canton: 2.3
Switzerland: 2.3
About Hallau
Hallau is a municipality in the canton of Schaffhausen. The parcel data lists 2’231 parcels in 24 municipal zone types. The zone types with the most parcels are Kernzone A (488), Rebgebiet (470) and Landwirtschaftszone (298).
The median parcel is built to a volume utilization of 17 %; half of the parcels lie between 5 % and 118 %. The canton median is 9 %, so Hallau sits above it.
The median building height is 9.6 m at 2.3 floors, and the median floor-area ratio (GFZ) is 0.08. Parcels built in the last 20 years reach a mean volume utilization of 120 % (196 parcels), higher than the 108 % across all building years.
Parcels by municipal zone
| Zone | Parcels | Median utilization |
|---|---|---|
| Kernzone A | 488 | 172 % |
| Rebgebiet | 470 | 0 % |
| Landwirtschaftszone | 298 | 0 % |
| Verkehrsfläche NBZ | 220 | 0 % |
| Wohnzone 2 | 187 | 81 % |
| Wohnzone in empfindlichem Gebiet | 149 | 83 % |
| Verkehrsfläche BZ | 86 | 0 % |
| Dorfzone 2 | 73 | 95 % |
| Kernzone B | 72 | 71 % |
| Gewässerzone NBZ | 46 | 0 % |
| Zone für öffentliche Bauten und Anlagen | 27 | 251 % |
| Landwirtschaftszone mit Bauverbot | 22 | 0 % |
| Other zones (12) | 93 | - |
Volume utilization (ratioV)
Of the 2’207 parcels with a value, half lie between 5 % and 118 %. The median is 17 % and the mean 86 %.
Share of parcels by range
- below 50 %54 %
- 50 % to below 100 %16 %
- 100 % to below 150 %11 %
- 150 % and above19 %
Floor-area ratio (GFZ)
Of the 2’206 parcels with a value, half lie between 0.04 and 0.48. The median is 0.08 and the mean 0.39.
Share of parcels by range
- below 0.5076 %
- 0.50 to below 1.0010 %
- 1.00 to below 1.505 %
- 1.50 and above9 %
Building height
Of the 1’053 parcels with a value, half lie between 6.9 m and 12.4 m. The median is 9.6 m and the mean 9.6 m.
Share of parcels by range
- below 8 m35 %
- 8 m to below 12 m37 %
- 12 m to below 20 m28 %
- 20 m and above< 1 %
Number of floors
Of the 712 parcels with a value, half lie between 1.8 and 3.0. The median is 2.3 and the mean 2.4.
Share of parcels by range
- below 212 %
- 2 to below 346 %
- 3 to below 542 %
- 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 | 2’231 | 108 % |
| Last 60 years | 550 | 140 % |
| Last 40 years | 388 | 123 % |
| Last 20 years | 196 | 120 % |
| Last 15 years | 157 | 127 % |
| Last 10 years | 119 | 129 % |
| Last 5 years | 62 | 146 % |
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).