Cantons › Solothurn › Langendorf

New-build projects in Langendorf

Planned, authorised and started buildings from the official building register, plus building permit applications and forced auctions. As of 11.10.2026.

16projected

11authorised

0under construction

281Dwellings planned

In brief

In Langendorf (canton of Solothurn), the Federal Register of Buildings and Dwellings lists 27 buildings that are planned or under construction: 16 projected, 11 authorised and 0 under construction. Together they include 281 planned dwellings. As of 11.10.2026.

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Buildings planned and under construction

All projects, under construction first, then by number of dwellings.

Address	Status	Type	Dwellings
Delta-Areal 7a, Delta-Areal 7b, Delta-Areal 7c, Delta-Areal 7d, Delta-Areal 7e	authorised	Residential with secondary use	50
Delta-Areal 6a, Delta-Areal 6b	authorised	Residential with secondary use	41
Delta-Areal 1a, Delta-Areal 1b, Delta-Areal 1c	authorised	Purely residential building	30
Delta-Areal 3a, Delta-Areal 3b, Delta-Areal 3c	authorised	Purely residential building	30
Delta-Areal 5a, Delta-Areal 5b, Delta-Areal 5c	authorised	Purely residential building	30
Delta-Areal 2a, Delta-Areal 2b	authorised	Purely residential building	25
Delta-Areal 4	authorised	Purely residential building	18
Delta-Areal 8	authorised	Special-purpose building	–
Dr. Rudolf Probstweg	authorised	Special-purpose building	–
Heimlisbergstrasse	authorised	Special-purpose building	–
Industriestrasse 5	authorised	Non-residential	–
Weissensteinstrasse 41	projected	Purely residential building	15
Weissensteinstrasse 43	projected	Purely residential building	12
Längackerstrasse 1a, Längackerstrasse 1b	projected	Purely residential building	8
Weissensteinstrasse 45	projected	Purely residential building	8
Hubelackerstrasse 2a	projected	Purely residential building	7
Heimlisbergstrasse 45	projected	Purely residential building	5
Konzerthallenstrasse 9	projected	Purely residential building	1
Konzerthallenstrasse 9a	projected	Non-residential	1
Bährenackerweg 21b	projected	Non-residential	–
Rötistrasse 23a	projected	Special-purpose building	–
Zilackerstrasse 18a	projected	Non-residential	–
Längackerstrasse 1d	projected	Non-residential	–
Längackerstrasse 1c	projected	Special-purpose building	–
Bahnhofstrasse 1a	projected	Special-purpose building	–
Heimlisbergstrasse 38a	projected	Non-residential	–
Industriestrasse 1a	projected	Non-residential	–

Frequently asked questions about Langendorf

How many new-build projects are there in Langendorf?

Where can I find building permit applications in Langendorf?

Building permit applications from Langendorf 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 Langendorf?

With an alert on vorbau.ch: draw an area around Langendorf 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

Dornach 34 Dulliken 29 Wangen bei Olten 28 Grenchen 24 Balsthal 23 Trimbach 23 Büsserach 22 Kleinlützel 22 Rodersdorf 21 Oensingen 20 Buchegg 19 Hochwald 18 All municipalities ›

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.