All architects in Saint-Grégoire
6 active architecture establishments in Saint-Grégoire (Ille-et-Vilaine, 35), according to INSEE's Sirene register (data of 26 October 2026).
- Practices
- 6
- Per 10,000 residents
- 6.0
- Companies
- 6
- Founded since 2025
- 0
Saint-Grégoire (population 9,957) has 6 architecture practices: 6.0 per 10,000 residents, against 6.3 on average in the department (Ille-et-Vilaine). The oldest company still active, Agence d Architecture Claire Lefort, was founded in 2003.
Planning rules in Saint-Grégoire: see the local plan (PLU) on the Géoportail de l'urbanisme ↗
6 results
| Firm | Town | Phone | Founded | Type |
|---|---|---|---|---|
| Agence d Architecture Claire Lefort | Saint-Gregoire Batiment A 6 Parc de Broceliande, 35760 | 2003 | SARL | |
| Atelier Brice Lannuzel | Saint-Gregoire Espace Performance, 35760 | 2021 | SARL | |
| Atelier Terra Architecture (A. Terra Architecture) | Saint-Gregoire Batiment H Centre Performance Alphasis, 35760 | 2016 | SARL | |
| Blezat Architectes Associes | Saint-Gregoire Za du Pontay 10 Rue d'Ouessant, 35760 | 2007 | SARL | |
| M2B | Saint-Gregoire Rez de Chaussee du Bat O Parc d Activite Breteche, 35760 | 2005 | SARL | |
| Make Architecture | Saint-Gregoire 7 Rue d'Ouessant, 35760 | 2010 | SARL |
Architects near Saint-Grégoire
All architects – Ille-et-Vilaine (35) →Architects in Saint-Grégoire: common questions
How many architects are there in Saint-Grégoire?
The Sirene register lists 6 active architecture practices in Saint-Grégoire: 6 companies and 0 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 Saint-Grégoire?
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 Saint-Grégoire (height, position, appearance) are set out in the local plan (PLU).
How much does an architect cost in Saint-Grégoire?
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.