In brief
In Grenchen (canton of Solothurn), the Federal Register of Buildings and Dwellings lists 24 buildings that are planned or under construction: 15 projected, 6 authorised and 3 under construction. Together they include 151 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 |
|---|---|---|
| Rebgasse 21 | under construction | 6 |
| Rebgasse 100 | under construction | – |
| Neckarsulmstrasse 50 | under construction | – |
| Solothurnstrasse 33, Bettlachstrasse 28 | authorised | 28 |
| Jurastrasse 55 | authorised | 7 |
| Bettlachstrasse 112 | authorised | 3 |
| Muntersmatt 10 | authorised | 1 |
| Niklaus Wengi-Strasse 96 | authorised | – |
| Hofweg 26a | authorised | – |
| Girardstrasse 1, Girardstrasse 3, Girardstrasse 5, Girardstrasse 7 | projected | 72 |
| Däderizstrasse 8 | projected | 12 |
| Gibelfeldstrasse 33 | projected | 5 |
| Gibelfeldstrasse 31 | projected | 4 |
| Garnbuchiweg 12 | projected | 3 |
| Garnbuchiweg 14 | projected | 2 |
| Garnbuchiweg 16 | projected | 2 |
| Tannhofstrasse 43a | projected | 1 |
| Muntersweg 83 | projected | 1 |
| Bergstrasse 34a | projected | 1 |
| Bergstrasse 34b | projected | 1 |
| Muntersmatt 5 | projected | 1 |
| Standweg 5a | projected | 1 |
| Studenstrasse 2a | projected | – |
| Lebernstrasse 47a | projected | – |
Frequently asked questions about Grenchen
How many new-build projects are there in Grenchen?
In Grenchen (canton of Solothurn), the Federal Register of Buildings and Dwellings lists 24 buildings that are planned or under construction: 15 projected, 6 authorised and 3 under construction. Together they include 151 planned dwellings. As of 11.10.2026.
Where can I find building permit applications in Grenchen?
Building permit applications from Grenchen are published in the official gazette of the canton of Solothurn 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 Grenchen?
With an alert on vorbau.ch: draw an area around Grenchen 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 Solothurn
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.