All architects in Castanet-Tolosan
6 active architecture establishments in Castanet-Tolosan (Haute-Garonne, 31), according to INSEE's Sirene register (data of 26 October 2026).
- Practices
- 6
- Per 10,000 residents
- 3.9
- Companies
- 3
- Founded since 2025
- 0
Castanet-Tolosan (population 15,317) has 6 architecture practices: 3.9 per 10,000 residents, against 7.0 on average in the department (Haute-Garonne). 3 are companies and 3 are architects working as sole practitioners. The oldest company still active, Attc, was founded in 2006.
Planning rules in Castanet-Tolosan: see the local plan (PLU) on the Géoportail de l'urbanisme ↗
6 results
| Firm | Town | Phone | Founded | Type |
|---|---|---|---|---|
| Annabel Libert | Castanet-Tolosan 21 T Chemin du Touron, 31320 | 2007 | Sole trader | |
| Atelier Vincent Augier Ava | Castanet-Tolosan 27 Rue du Broc, 31320 | 2021 | SARL | |
| Attc | Castanet-Tolosan Zi de Vic Rue de l'Equipement, 31320 | 2006 | SARL | |
| Fabrice Ginocchio-Helene Marche - Architectes | Castanet-Tolosan Zone de Vic 18 Rue des Transports, 31320 | 2021 | SARL | |
| Jerome Tassone | Castanet-Tolosan Zi Vic 5 Rue de l'Equipement, 31320 | 2000 | Sole trader | |
| Sebastien Lugardon | Castanet-Tolosan 19 Rue des Pinsons, 31320 | 2014 | Sole trader |
Architects near Castanet-Tolosan
All architects – Haute-Garonne (31) →Architects in Castanet-Tolosan: common questions
How many architects are there in Castanet-Tolosan?
The Sirene register lists 6 active architecture practices in Castanet-Tolosan: 3 companies and 3 architects working as sole practitioners. All of them are listed on this page, with their address and, where published, their phone number.
Is an architect compulsory to build in Castanet-Tolosan?
As everywhere in France, an individual building for themselves must use an architect once the floor area exceeds 150 m², counting the total after works for an extension. A company, including an SCI, always needs one for a building permit. The local rules for Castanet-Tolosan (height, position, appearance) are set out in the local plan (PLU).
How much does an architect cost in Castanet-Tolosan?
Fees are free and set in the contract. For a full mission, from design to site supervision, pricing guides usually quote 8–12% of the cost of the works excluding VAT for a new house and 10–15% for a renovation or extension. A mission limited to the building permit application is usually a fixed fee of about €1,500–4,000 excluding VAT.
Where can I get free advice before choosing an architect?
In most departments, the CAUE (council for architecture, planning and the environment) sees individuals for free, by appointment, to help them prepare their project. The map of CAUEs is on fncaue.com.