new_construction
Query annual new residential construction data for a Swiss municipality, including buildings, dwellings, and 4+ room units, to estimate family housing and future pupil numbers.
Instructions
New residential construction per year for a municipality (existing buildings).
Returns buildings, dwellings and 4+ room dwellings per year — the 4+ room share is a proxy for family housing and thus for future pupil numbers. Municipality is identified by its BFS number (e.g. 261 = City of Zurich).
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| canton | No | ||
| since_year | No | ||
| municipality_bfs | Yes |
Output Schema
| Name | Required | Description | Default |
|---|---|---|---|
| source | No | Data: Federal Register of Buildings and Dwellings (GWR/RegBL), Swiss Federal Statistical Office (BFS) — OGD, free use with attribution. Daily public extract via public.madd.bfs.admin.ch and api3.geo.admin.ch. | |
| per_year | Yes | ||
| provenance | Yes | ||
| since_year | Yes | ||
| municipality | Yes | ||
| total_dwellings | Yes | ||
| family_share_pct | Yes | Share of 4+ room dwellings — proxy for family housing | |
| municipality_bfs | Yes | ||
| total_dwellings_4plus_rooms | Yes |