In brief
In Cossonay (canton of Vaud), the Federal Register of Buildings and Dwellings lists 27 buildings that are planned or under construction: 4 projected, 13 authorised and 10 under construction. Together they include 69 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 |
|---|---|---|
| Chemin des Terrailles 2a | under construction | 25 |
| Route de Gollion 5b | under construction | 4 |
| Route de Gollion 3 | under construction | 4 |
| Petite Rue 3b, Place Dame Jeanne 1 | under construction | 3 |
| Route de Gollion 5a | under construction | 2 |
| Route de Gollion 7 | under construction | 2 |
| Route d'Aubonne 11.5 | under construction | – |
| Route d'Aubonne 11.3 | under construction | – |
| Route d'Aubonne 11.4 | under construction | – |
| Route de la Vallée 1.5 | under construction | – |
| Route de la Sarraz 99 | authorised | 17 |
| Route de Morges 33a, Route de Morges 33b, Route de Morges 33c | authorised | 3 |
| Chemin du Signal 1 | authorised | 1 |
| Route de la Sarraz | authorised | – |
| Valezard 1.6 | authorised | – |
| Valezard 1.5 | authorised | – |
| Valezard 1.7 | authorised | – |
| Valezard 1.9 | authorised | – |
| Valezard 1.8 | authorised | – |
| Valezard 1.4 | authorised | – |
| Chemin du 900ème 2.9 | authorised | – |
| Chemin du Signal 1.2 | authorised | – |
| Chemin du Signal 1.1 | authorised | – |
| Rue du Vieux Collège 6c | projected | 3 |
| Rue du Vieux Collège 6b | projected | 3 |
| Rue du Vieux Collège 6a | projected | 2 |
| Rue du Vieux Collège 6.4 | projected | – |
Frequently asked questions about Cossonay
How many new-build projects are there in Cossonay?
In Cossonay (canton of Vaud), the Federal Register of Buildings and Dwellings lists 27 buildings that are planned or under construction: 4 projected, 13 authorised and 10 under construction. Together they include 69 planned dwellings. As of 11.10.2026.
Where can I find building permit applications in Cossonay?
Building permit applications from Cossonay are published in the official gazette of the canton of Vaud 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 Cossonay?
With an alert on vorbau.ch: draw an area around Cossonay 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 Vaud
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.