All architects in Carrières-sur-Seine

8 active architecture establishments in Carrières-sur-Seine (Yvelines, 78), according to INSEE's Sirene register (data of 26 October 2026).

Practices
8
Per 10,000 residents
5.4
Companies
6
Founded since 2025
4

Carrières-sur-Seine (population 14,791) has 8 architecture practices: 5.4 per 10,000 residents, against 5.2 on average in the department (Yvelines). 6 are companies and 2 are architects working as sole practitioners. The oldest company still active, Hennig Architectes, was founded in 2006. 4 were founded in 2025 or later.

Planning rules in Carrières-sur-Seine: see the local plan (PLU) on the Géoportail de l'urbanisme ↗

8 results

FirmTownPhoneFoundedType
Atelier Cla.CHCarrieres-sur-Seine 1 Rue du Moulin, 784202025SARL
Atelier d'Architecture Granier-NegrelloCarrieres-sur-Seine 23 Rue Hoche, 784202016SARL
Hennig ArchitectesCarrieres-sur-Seine 8 Rue Louis Leroux, 784202006SARL
Ici ArchitectureCarrieres-sur-Seine 16 Rue du Colombier, 784202025SAS
Noemie SavaryCarrieres-sur-Seine 3 Rue Chantal Mauduit, 784202025Sole trader
NS Architecte (Nymbe Studio)Carrieres-sur-Seine 3 Rue Chantal Mauduit, 784202026SARL
Quentin Sow-Laroche (Laroche) (QK Architecture et Audit Energetique)Carrieres sur Seine 59 Rue Louis Gandillet, 784202013Sole trader
ThesyaCarrieres-sur-Seine 62 Rue Victor Hugo, 784202018SAS

Architects near Carrières-sur-Seine

All architects – Yvelines (78) →

Architects in Carrières-sur-Seine: common questions

How many architects are there in Carrières-sur-Seine?

The Sirene register lists 8 active architecture practices in Carrières-sur-Seine: 6 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 Carrières-sur-Seine?

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 Carrières-sur-Seine (height, position, appearance) are set out in the local plan (PLU).

How much does an architect cost in Carrières-sur-Seine?

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.