All architects in Riorges
5 active architecture establishments in Riorges (Loire, 42), according to INSEE's Sirene register (data of 26 October 2026).
- Practices
- 5
- Per 10,000 residents
- 4.5
- Companies
- 3
- Founded since 2025
- 0
Riorges (population 11,139) has 5 architecture practices: 4.5 per 10,000 residents, against 4.6 on average in the department (Loire). 3 are companies and 2 are architects working as sole practitioners. The oldest company still active, EURL Vincent Buchet, was founded in 2000.
Planning rules in Riorges: see the local plan (PLU) on the Géoportail de l'urbanisme ↗
5 results
| Firm | Town | Phone | Founded | Type |
|---|---|---|---|---|
| Equilibre Architectes | Riorges 216 Rue Henri Desroche, 42153 | 2016 | SARL | |
| EURL Vincent Buchet | Riorges 109 Rue Leon Blum, 42153 | 2000 | SARL | |
| Michel Perrier | Riorges 149 Rue Pierre Brossolette, 42153 | 2000 | Sole trader | |
| SARL Am Conception | Riorges 996 Rue Pierre Dubreuil, 42153 | 2017 | SARL | |
| Vincent Buchet | Riorges Residence Condorcet 109 Rue Leon Blum, 42153 | 1996 | Sole trader |
Architects near Riorges
All architects – Loire (42) →Architects in Riorges: common questions
How many architects are there in Riorges?
The Sirene register lists 5 active architecture practices in Riorges: 3 companies and 2 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 Riorges?
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 Riorges (height, position, appearance) are set out in the local plan (PLU).
How much does an architect cost in Riorges?
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.