In brief
In Hallwil (canton of Aargau), the Federal Register of Buildings and Dwellings lists 31 buildings that are planned or under construction: 10 projected, 18 authorised and 3 under construction. Together they include 78 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 |
|---|---|---|
| Riedstrasse | under construction | 1 |
| Langjucharten | under construction | 1 |
| Tal | under construction | 1 |
| Im Zelg 4a, Im Zelg 4b | authorised | 15 |
| Im Zelg 2a, Im Zelg 2b | authorised | 15 |
| Hübelweg 4 | authorised | 6 |
| Dürrenäscherstrasse | authorised | 6 |
| Engenbühl 18 | authorised | 1 |
| Engenbühl 20 | authorised | 1 |
| Sonnhalde | authorised | 1 |
| Sonnhalde | authorised | 1 |
| Sonnhalde | authorised | 1 |
| Sonnhalde | authorised | 1 |
| Sonnhalde | authorised | 1 |
| Zelglistrasse | authorised | 1 |
| Zelglistrasse | authorised | 1 |
| Zelglistrasse | authorised | 1 |
| Ausserdorf | authorised | – |
| Ausserdorf 143.2 | authorised | – |
| Breiten 354.1 | authorised | – |
| Breiten 354.2 | authorised | – |
| Ausserdorf | projected | 13 |
| Delle 289 | projected | 6 |
| Rebenhübel | projected | 1 |
| Rebenhübel | projected | 1 |
| Rebenhübel | projected | 1 |
| Ausserdorf | projected | 1 |
| Seengerstrasse 300.4 | projected | – |
| Seengerstrasse 300.5 | projected | – |
| Wannenmoos 462.1 | projected | – |
| Riedstrasse | projected | – |
Frequently asked questions about Hallwil
How many new-build projects are there in Hallwil?
In Hallwil (canton of Aargau), the Federal Register of Buildings and Dwellings lists 31 buildings that are planned or under construction: 10 projected, 18 authorised and 3 under construction. Together they include 78 planned dwellings. As of 11.10.2026.
Where can I find building permit applications in Hallwil?
Building permit applications from Hallwil 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 Hallwil?
With an alert on vorbau.ch: draw an area around Hallwil 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.