Cantons › Valais › Sion

New-build projects in Sion

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

78projected

121authorised

40under construction

920Dwellings planned

In brief

In Sion (canton of Valais), the Federal Register of Buildings and Dwellings lists 239 buildings that are planned or under construction: 78 projected, 121 authorised and 40 under construction. Together they include 920 planned dwellings. As of 11.10.2026.

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Buildings planned and under construction

80 of 239 projects, under construction first, then by number of dwellings. You can see them all on the map.

Address	Status	Type	Dwellings
Avenue du Grand-Champsec 23a	under construction	Purely residential building	30
Rue des Casernes 59a	under construction	Purely residential building	21
Rue des Casernes 59c	under construction	Residential with secondary use	17
Route de la Printse 3	under construction	Purely residential building	15
Rue du Puits-du-Géant 9	under construction	Purely residential building	12
Route de Bramois 40	under construction	Purely residential building	9
Promenade du Canal 69	under construction	Residential with secondary use	9
Rue de Gravelone 88	under construction	Purely residential building	6
Promenade du Canal 67	under construction	Residential with secondary use	5
Rue du Vieux-Moulin 42	under construction	Purely residential building	4
Route du Coteau 39	under construction	Purely residential building	3
Route des Plats de Turin 19j	under construction	Purely residential building	2
Route de Préjeux 36	under construction	Purely residential building	1
Route de la Plaine 10a	under construction	Purely residential building	1
Chemin du Moulin 22a	under construction	Purely residential building	1
Route des Agettes 14	under construction	Purely residential building	1
Rue de Clodevis 53c	under construction	Purely residential building	1
Rue de Clodevis 53d	under construction	Purely residential building	1
Route du Coteau 19	under construction	Purely residential building	1
Rue du Lucet 34	under construction	Purely residential building	1
Route du Sanetsch 16	under construction	Purely residential building	1
Route d'Italie 133	under construction	Purely residential building	1
Route d'Italie 135	under construction	Purely residential building	1
Route d'Italie 137	under construction	Purely residential building	1
Route d'Italie 139	under construction	Purely residential building	1
Route d'Italie 141	under construction	Purely residential building	1
Route de Nendaz 126	under construction	Purely residential building	1
Rue des Rosales 11	under construction	Purely residential building	1
Chemin d'Ypresse 27	under construction	Purely residential building	1
Route de La Courtaz 28b	under construction	Purely residential building	1
Route de La Courtaz 28d	under construction	Purely residential building	1
Route de Bramois 44	under construction	Purely residential building	–
Rue Oscar-Bider 28	under construction	Non-residential	–
Chemin des Roseaux 2	under construction	Non-residential	–
Avenue du Grand-Champsec 76	under construction	Partly residential use	–
Chemin du Lazaret 11	under construction	Non-residential	–
Route de l'Aéroport 4c	under construction	Non-residential	–
Rue de la Dixence 60	under construction	Non-residential	–
Chemin du Carolet 7	under construction	Purely residential building	–
Route des Joncs 121.1	under construction	Non-residential	–
Rue des Aubépines 22, Rue des Aubépines 22a, Rue des Aubépines 22b	authorised	Residential with secondary use	30
Rue Oscar-Bider 66a, Rue Oscar-Bider 66b	authorised	Residential with secondary use	28
Rue Oscar-Bider 64a, Rue Oscar-Bider 64b	authorised	Residential with secondary use	27
Route de Préjeux 26	authorised	Purely residential building	26
Chemin du Vieux-Canal 5	authorised	Purely residential building	22
Rue de St-Guérin 17	authorised	Purely residential building	21
Chemin du Carolet 11a	authorised	Purely residential building	20
Chemin du Carolet 11b	authorised	Purely residential building	20
Route de La Courtaz 27, Route de La Courtaz 29	authorised	Purely residential building	19
Rue Ste-Marguerite 12	authorised	Residential with secondary use	18
Rue des Platanes 12	authorised	Purely residential building	18
Route de Bramois 38	authorised	Purely residential building	18
Rue de St-Guérin 19	authorised	Purely residential building	17
Rue de la Jonction 16	authorised	Purely residential building	16
Rue du Lucet 37	authorised	Purely residential building	16
Rue de la Dixence 33	authorised	Residential with secondary use	15
Rue Ste-Marguerite 14	authorised	Residential with secondary use	15
Rue de Condémines 20	authorised	Purely residential building	14
Rue des Prumus 13	authorised	Purely residential building	12
Route de Bramois 44a	authorised	Purely residential building	11
Rue de la Dixence 25	authorised	Residential with secondary use	10
Rue de la Dixence 27	authorised	Residential with secondary use	10
Rue de la Dixence 29	authorised	Residential with secondary use	10
Chemin de la Sitterie 2a	authorised	Purely residential building	10
Rue des Erables 6	authorised	Purely residential building	10
Rue du Vieux-Village 73	authorised	Purely residential building	10
Chemin de la Sitterie 2b	authorised	Purely residential building	9
Rue de Savoie 31a	authorised	Purely residential building	9
Chemin du Carolet 8a	authorised	Purely residential building	8
Chemin du Carolet 8b	authorised	Purely residential building	8
Chemin du Carolet 8c	authorised	Purely residential building	8
Route des Plats de Turin 5	authorised	Purely residential building	8
Chemin du Carolet 24	authorised	Purely residential building	7
Route du Saillen 53	authorised	Purely residential building	7
Rue des Erables 12	authorised	Residential with secondary use	7
Chemin du Vieux-Canal 3	authorised	Residential with secondary use	7
Chemin d'Arvillard 12	authorised	Purely residential building	7
Rue de Clodevis 37	authorised	Purely residential building	6
Rue de la Dixence 31	authorised	Residential with secondary use	5
Route des Plats de Turin 3	authorised	Purely residential building	5

Frequently asked questions about Sion

How many new-build projects are there in Sion?

Where can I find building permit applications in Sion?

Building permit applications from Sion are published in the official gazette of the canton of Valais 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 Sion?

With an alert on vorbau.ch: draw an area around Sion 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 Valais

Martigny 177 Monthey 167 Crans-Montana 166 Val de Bagnes 150 Zermatt 129 Sierre 109 Chalais 93 Saxon 91 Ayent 88 Anniviers 87 Nendaz 85 Riddes 84 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.