All architects in L'Isle-Adam
6 active architecture establishments in L'Isle-Adam (Val-d'Oise, 95), according to INSEE's Sirene register (data of 26 October 2026).
- Practices
- 6
- Per 10,000 residents
- 4.8
- Companies
- 2
- Founded since 2025
- 0
L'Isle-Adam (population 12,493) has 6 architecture practices: 4.8 per 10,000 residents, against 2.4 on average in the department (Val-d'Oise). 2 are companies and 4 are architects working as sole practitioners. The oldest company still active, SMM Architecture, was founded in 2010.
Planning rules in L'Isle-Adam: see the local plan (PLU) on the Géoportail de l'urbanisme ↗
6 results
| Firm | Town | Phone | Founded | Type |
|---|---|---|---|---|
| Caroline Prieur | L'Isle-Adam 44 Rue Saint Lazare, 95290 | 2013 | Sole trader | |
| Ghislain Prevost-Psaras | L'Isle-Adam 5 B Avenue de Paris, 95290 | 1985 | Sole trader | |
| Melanie Delcausse (Than) | L'Isle-Adam 2 Rue du Prieure, 95290 | 2023 | Sole trader | |
| Muna Kasawat (Musa) | L'Isle-Adam 67 Avenue Valery Giscard d'Estaing, 95290 | 2007 | Sole trader | |
| SE2C (Structure Etudes Conseil et Concept) | L'Isle-Adam L Isle Adam Rue des Racles, 95290 | 2018 | SAS | |
| SMM Architecture | L'Isle-Adam 65 Avenue Valery Giscard d'Estaing, 95290 | 2010 | SARL |
Architects near L'Isle-Adam
All architects – Val-d'Oise (95) →Architects in L'Isle-Adam: common questions
How many architects are there in L'Isle-Adam?
The Sirene register lists 6 active architecture practices in L'Isle-Adam: 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 L'Isle-Adam?
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 L'Isle-Adam (height, position, appearance) are set out in the local plan (PLU).
How much does an architect cost in L'Isle-Adam?
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.