In brief
In Herznach-Ueken (canton of Aargau), the Federal Register of Buildings and Dwellings lists 12 buildings that are planned or under construction: 1 projected, 4 authorised and 7 under construction. Together they include 26 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 |
|---|---|---|
| Alte Landstrasse 28b | under construction | 4 |
| Alte Landstrasse 28a | under construction | 4 |
| Türlestich 5 | under construction | 4 |
| Türlestich 7 | under construction | 4 |
| Alte Landstrasse 24 | under construction | 4 |
| Sonnhaldenweg | under construction | 3 |
| Löörenstrasse 25 | under construction | 1 |
| Williweg 5 | authorised | 1 |
| Buechstrasse | authorised | – |
| Löörenstrasse | authorised | – |
| Römerweg 11.1 | authorised | – |
| Williweg 16 | projected | 1 |
Frequently asked questions about Herznach-Ueken
How many new-build projects are there in Herznach-Ueken?
In Herznach-Ueken (canton of Aargau), the Federal Register of Buildings and Dwellings lists 12 buildings that are planned or under construction: 1 projected, 4 authorised and 7 under construction. Together they include 26 planned dwellings. As of 11.10.2026.
Where can I find building permit applications in Herznach-Ueken?
Building permit applications from Herznach-Ueken are published in the official gazette of the canton of Aargau 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 Herznach-Ueken?
With an alert on vorbau.ch: draw an area around Herznach-Ueken 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 Aargau
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.