In brief
In Altnau (canton of Thurgau), the Federal Register of Buildings and Dwellings lists 3 buildings that are planned or under construction: 1 projected, 2 authorised and 0 under construction. Together they include 10 planned dwellings. As of 11.10.2026.
Buildings planned and under construction
All projects, under construction first, then by number of dwellings.
| Address | Status | Dwellings |
|---|---|---|
| Unterhof 26 | authorised | 1 |
| Seezelgstrasse 6.1 | authorised | – |
| Wisplätz 1 | projected | 9 |
Frequently asked questions about Altnau
How many new-build projects are there in Altnau?
In Altnau (canton of Thurgau), the Federal Register of Buildings and Dwellings lists 3 buildings that are planned or under construction: 1 projected, 2 authorised and 0 under construction. Together they include 10 planned dwellings. As of 11.10.2026.
Where can I find building permit applications in Altnau?
Building permit applications from Altnau are published in the official gazette of the canton of Thurgau or by the municipality. Vorbau doesn’t analyse this canton’s building permit applications yet, but you can see the planned buildings from the building register on the map.
How do I find out about new building projects in Altnau?
With an alert on vorbau.ch: draw an area around Altnau on the map and you’ll get an email as soon as a building there is newly registered, authorised, started or completed. One alert is free.
Other municipalities in the canton of Thurgau
Sources: Federal Statistical Office, Federal Register of Buildings and Dwellings (RBD); cantonal official gazettes via amtsblattportal.ch; SOGC. Planned buildings may change or not go ahead.