All architects in Épinay-sur-Orge
6 active architecture establishments in Épinay-sur-Orge (Essonne, 91), according to INSEE's Sirene register (data of 26 October 2026).
- Practices
- 6
- Per 10,000 residents
- 5.6
- Companies
- 4
- Founded since 2025
- 0
Épinay-sur-Orge (population 10,722) has 6 architecture practices: 5.6 per 10,000 residents, against 2.7 on average in the department (Essonne). 4 are companies and 2 are architects working as sole practitioners. One employs 10 people or more. The oldest company still active, Alu, was founded in 2004.
Planning rules in Épinay-sur-Orge: see the local plan (PLU) on the Géoportail de l'urbanisme ↗
6 results
| Firm | Town | Phone | Founded | Type |
|---|---|---|---|---|
| Alu | Epinay-sur-Orge 14 Rue Pasteur, 91360 | 2004 | SELAS | |
| Atelier d'Architecture Ada | Epinay-sur-Orge 14 Rue Pasteur, 91360 | 2008 | SELAS | |
| Didier Chinardet | Epinay-sur-Orge 8 Cours du General de Gaulle, 91360 | 1980 | Sole trader | |
| Jfournier Holding | Epinay-sur-Orge 21 Rue Pierre Brossolette, 91360 | 2024 | SAS | |
| Laurent Hudon | Epinay-sur-Orge 15 Rue Leopold Pillot, 91360 | 1987 | Sole trader | |
| SASU Delphine Petit | Epinay-sur-Orge 15 Rue du Plateau, 91360 | 2016 | SAS |
Architects near Épinay-sur-Orge
All architects – Essonne (91) →Architects in Épinay-sur-Orge: common questions
How many architects are there in Épinay-sur-Orge?
The Sirene register lists 6 active architecture practices in Épinay-sur-Orge: 4 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 Épinay-sur-Orge?
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 Épinay-sur-Orge (height, position, appearance) are set out in the local plan (PLU).
How much does an architect cost in Épinay-sur-Orge?
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.