In brief
In Birrwil (canton of Aargau), the Federal Register of Buildings and Dwellings lists 17 buildings that are planned or under construction: 10 projected, 0 authorised and 7 under construction. Together they include 68 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 |
|---|---|---|
| Obere Wanne 41 | under construction | 6 |
| Hohlgasse 4 | under construction | 5 |
| Wilifeld 66a | under construction | 1 |
| Wilifeld 66b | under construction | 1 |
| Wilifeld 66c | under construction | 1 |
| Wilifeld 66d | under construction | 1 |
| Wilifeld 66e | under construction | 1 |
| Hobacker | projected | 11 |
| Seetalstrasse | projected | 10 |
| Hobacker | projected | 10 |
| Hobacker | projected | 9 |
| Hobacker | projected | 7 |
| Wilhofstrasse | projected | 3 |
| Obere Wanne | projected | 2 |
| Untere Wanne 51.2 | projected | – |
| Wilifeld 41.2 | projected | – |
| Hobacker | projected | – |
Frequently asked questions about Birrwil
How many new-build projects are there in Birrwil?
In Birrwil (canton of Aargau), the Federal Register of Buildings and Dwellings lists 17 buildings that are planned or under construction: 10 projected, 0 authorised and 7 under construction. Together they include 68 planned dwellings. As of 11.10.2026.
Where can I find building permit applications in Birrwil?
Building permit applications from Birrwil 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 Birrwil?
With an alert on vorbau.ch: draw an area around Birrwil 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.