All architects in Châteaubriant
6 active architecture establishments in Châteaubriant (Loire-Atlantique, 44), according to INSEE's Sirene register (data of 26 October 2026).
- Practices
- 6
- Per 10,000 residents
- 4.9
- Companies
- 2
- Founded since 2025
- 1
Châteaubriant (population 12,260) has 6 architecture practices: 4.9 per 10,000 residents, against 7.2 on average in the department (Loire-Atlantique). 2 are companies and 4 are architects working as sole practitioners. The oldest company still active, CR2, was founded in 2003. One was founded in 2025 or later.
Planning rules in Châteaubriant: see the local plan (PLU) on the Géoportail de l'urbanisme ↗
6 results
| Firm | Town | Phone | Founded | Type |
|---|---|---|---|---|
| Adrien Gaillard (Gaillard) | Chateaubriant Domicile de Laurence Gaillard-Cailler Launay Prieur, 44110 | 2026 | Sole trader | |
| CR2 | Chateaubriant 9 Rue Aristide Briand, 44110 | 2003 | SARL | |
| Gilles Davenel | Chateaubriant 33 Rue du Onze Novembre, 44110 | 2004 | Sole trader | |
| Jean Haumont | Chateaubriant 13 B Boulevard de la Republique, 44110 | 1983 | Sole trader | |
| Nicolas Lebreton | Chateaubriant 2 Rue d'Angers, 44110 | 2014 | Sole trader | |
| Philippe Miseriaux Architecte | Chateaubriant 31 Rue de Couere, 44110 | 2008 | SARL |
Architects near Châteaubriant
All architects – Loire-Atlantique (44) →Architects in Châteaubriant: common questions
How many architects are there in Châteaubriant?
The Sirene register lists 6 active architecture practices in Châteaubriant: 2 companies and 4 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 Châteaubriant?
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 Châteaubriant (height, position, appearance) are set out in the local plan (PLU).
How much does an architect cost in Châteaubriant?
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.