In brief
In Herdern (canton of Thurgau), the Federal Register of Buildings and Dwellings lists 25 buildings that are planned or under construction: 10 projected, 7 authorised and 8 under construction. Together they include 59 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 |
|---|---|---|
| Hauptstrasse 2b | under construction | 6 |
| Hauptstrasse 2d | under construction | 6 |
| Hauptstrasse 2a | under construction | 5 |
| Hauptstrasse 2c | under construction | 5 |
| Kalchrainstrasse 2a | under construction | 5 |
| Kalchrainstrasse 1 | under construction | 2 |
| Hauptstrasse 2a-2d | under construction | – |
| Kalchrainstrasse 2a.1 | under construction | – |
| Dettighoferstrasse 1 | authorised | 9 |
| Frauenfelderstrasse 21 | authorised | 1 |
| Dettighoferstrasse 5.1 | authorised | – |
| Gassenackerstrasse 3.1 | authorised | – |
| Kapellgasse 3.1 | authorised | – |
| Dettighoferstrasse 3.1 | authorised | – |
| Ammenhausen 3.4 | authorised | – |
| Dorfstrasse | projected | 8 |
| Dorfstrasse | projected | 8 |
| Steig 24a | projected | 1 |
| Steig 24b | projected | 1 |
| Steig 3 | projected | 1 |
| Steig 8 | projected | 1 |
| Berghofstrasse 25.4 | projected | – |
| Im Sulz | projected | – |
| Wiesentalstrasse 12.3 | projected | – |
| Wiesentalstrasse 12.3 | projected | – |
Frequently asked questions about Herdern
How many new-build projects are there in Herdern?
In Herdern (canton of Thurgau), the Federal Register of Buildings and Dwellings lists 25 buildings that are planned or under construction: 10 projected, 7 authorised and 8 under construction. Together they include 59 planned dwellings. As of 11.10.2026.
Where can I find building permit applications in Herdern?
Building permit applications from Herdern 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 Herdern?
With an alert on vorbau.ch: draw an area around Herdern 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.