Cantons › Solothurn

New-build projects in the canton of Solothurn

All planned, authorised and started buildings from the official building register, by municipality. As of 11.10.2026.

290projected
290authorised
199under construction
2'421Dwellings planned

In brief

In the canton of Solothurn, the Federal Register of Buildings and Dwellings lists 779 buildings that are planned or under construction, spread across 92 municipalities: 290 projected, 290 authorised and 199 under construction. They include 2'421 planned dwellings. As of 11.10.2026.In the last 90 days, 1 building has changed status.

Municipalities in the canton of Solothurn

92 municipalities with planned or ongoing construction. Sort:

MunicipalityBuildingsprojectedauthorisedunder constructionDwellings
Dornach341951036
Dulliken291212593
Wangen bei Olten284131185
Langendorf2716110281
Grenchen241563151
Balsthal23751123
Trimbach231111116
Büsserach22712348
Kleinlützel22200220
Rodersdorf21021029
Oensingen20686143
Buchegg19125233
Hochwald1891816
Breitenbach1718825
Kestenholz1765676
Gerlafingen1519599
Solothurn1517729
Bellach130112123
Kriegstetten13012125
Hofstetten-Flüh1211108
Lüsslingen-Nennigkofen120937
Olten12120051
Biberist1117323
Deitingen1142546
Lostorf1174022
Wolfwil1164119
Derendingen1035217
Recherswil1054129
Riedholz10244262
Zuchwil1008212
Egerkingen913557
Neuendorf952216
Stüsslingen98018
Niedergösgen831420
Schönenwerd808022
Etziken770033
Kappel (SO)712461
Laupersdorf73132
Nunningen720512
Obergerlafingen70439
Gretzenbach61507
Hägendorf606019
Lüterkofen-Ichertswil631225
Metzerlen-Mariastein60609
Oberbuchsiten64117
Selzach66007
Bolken520323
Boningen50504
Däniken50504
Erschwil50508
Fulenbach541023
Grindel55005
Gunzgen51316
Lommiswil520315
Messen51311
Obergösgen541021
Seewen51222
Starrkirch-Wil504114
Subingen541015
Welschenrohr-Gänsbrunnen52127
Fehren41126
Härkingen413023
Luterbach440012
Rickenbach (SO)41122
Schnottwil431016
Witterswil41212
Aedermannsdorf32101
Büren (SO)32013
Drei Höfe31112
Günsberg32101
Hubersdorf30212
Mümliswil-Ramiswil33000
Oberdorf (SO)31208
Rüttenen31117
Aeschi (SO)22006
Bärschwil21011
Bättwil22002
Bettlach20200
Gempen20112
Herbetswil20112
Hüniken21103
Lohn-Ammannsegg20200
Nuglar-St. Pantaleon20201
Biezwil10101
Erlinsbach (SO)10100
Feldbrunnen-St. Niklaus10101
Flumenthal11005
Horriwil10100
Matzendorf10011
Meltingen11001
Winznau11000
Zullwil10011

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Frequently asked questions about the canton of Solothurn

How many new-build projects are there in the canton of Solothurn?

In the canton of Solothurn, the Federal Register of Buildings and Dwellings lists 779 buildings that are planned or under construction, spread across 92 municipalities: 290 projected, 290 authorised and 199 under construction. They include 2'421 planned dwellings. As of 11.10.2026.

Where is the most building activity in the canton of Solothurn?

The most projects are in Dornach (34), Dulliken (29), Wangen bei Olten (28).

Where can I find building permit applications in the canton of Solothurn?

Building permit applications are published in the official gazette of the canton of Solothurn or by the municipalities. Vorbau doesn’t analyse them for this canton yet, but the planned buildings from the building register are fully shown on the map.

Sources: Federal Statistical Office, Federal Register of Buildings and Dwellings (RBD); cantonal official gazettes via amtsblattportal.ch; SOGC.