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Building age in Mels

Municipality in the canton of St. Gallen · FSO no. 3293

Building register (GWR) export of September 2026, parcel data of July 2025.

Key figures

Parcels with a building
3’010
2’907 of them with a known construction year
Median construction year
1975Canton: 1977Switzerland: 1976
Median building age
51 yearsCanton: 49 yearsSwitzerland: 50 years
Built 1960 or earlier
32.4%Canton: 30.4%Switzerland: 32.5%
Built after 2000
21.9%Canton: 22.0%Switzerland: 23.3%

About the building stock in Mels

The parcel data lists 3’010 parcels with a building in Mels. For 2’907 of them (96.6%) the federal building register (GWR) gives a construction year, taken from the newest building on the parcel. The median construction year is 1975, so the median parcel with a building is 51 years old. 32.4% of the parcels with a known year were built in 1960 or earlier and 21.9% after 2000. The largest period is 1981-2000 with 24.8%. For comparison, the median construction year is 1977 in the canton of St. Gallen and 1976 in Switzerland. 103 parcels with a building have no usable construction year and are left out of the shares.

Construction-year histogram

Parcels with a building by construction period, as a share of the 2’907 parcels with a known year. The periods are not equally long, so read the bars as shares of the stock, not as building activity per year.

  1. 17.9%before 1920: 17.9%, 519 parcels
  2. 6.8%1920-1945: 6.8%, 197 parcels
  3. 7.8%1946-1960: 7.8%, 226 parcels
  4. 20.9%1961-1980: 20.9%, 607 parcels
  5. 24.8%1981-2000: 24.8%, 720 parcels
  6. 10.3%2001-2010: 10.3%, 299 parcels
  7. 7.7%2011-2020: 7.7%, 224 parcels
  8. 4.0%2021 and later: 4.0%, 115 parcels

Building age distribution

The same parcels grouped by the age of their newest building in 2026.

  • 66 years or older (built 1960 or earlier)32.4%942 parcels
  • 46 to 65 years (built 1961-1980)20.9%607 parcels
  • 26 to 45 years (built 1981-2000)24.8%720 parcels
  • Up to 25 years (built 2001 or later)21.9%638 parcels

How to read these figures

The parcel data links every parcel to the federal building register (GWR). A parcel counts once, with the construction year of its newest building. Where the register gives only a construction period, the middle of the period is used.

The figures count parcels with a building, not individual buildings. A parcel with several buildings counts once, and a parcel without a building is not counted.

Building age is 2026 minus the construction year. Every share divides by the parcels with a known construction year.

See it on the map

roots colors every parcel by construction year, from deep red for the oldest buildings to pale cream for the newest.

Open the roots map in Mels

Other large municipalities in the canton of St. Gallen