All architects in Neauphle-le-Château

7 active architecture establishments in Neauphle-le-Château (Yvelines, 78), according to INSEE's Sirene register (data of 26 October 2026).

Practices
7
Per 10,000 residents
21.5
Companies
3
Founded since 2025
0

Neauphle-le-Château (population 3,250) has 7 architecture practices: 21.5 per 10,000 residents, against 5.2 on average in the department (Yvelines). 3 are companies and 4 are architects working as sole practitioners. The oldest company still active, SELARL d Architecture Robinson & Associes, was founded in 2008.

Planning rules in Neauphle-le-Château: see the local plan (PLU) on the Géoportail de l'urbanisme ↗

7 results

FirmTownPhoneFoundedType
Besson Carrier ArchitectureNeauphle-le-Chateau 20 Rue des Soupirs, 786402016SELARL
Catherine LaffitteNeauphle-le-Chateau 28 Rue de la Gouttiere, 786401984Sole trader
Foncier ArchitectureNeauphle-le-Chateau 63 Avenue de la Republique, 786402020SAS
Jean Champetier-de-Ribes (Atelier d'Architecture CDR)Neauphle-le-Chateau 1 Chemin des Ecarts, 786401986Sole trader
Laurence Mesnil (Rozier) (Coeur de Rozier)Neauphle-le-Chateau 5 Rue Louis Phelypeaux, 786402021Sole trader
Maelig Dutertre (Carrier)trading as Besson Carrier ArchitectureNeauphle-le-Chateau 20 Rue des Soupirs, 786402014Sole trader
SELARL d Architecture Robinson & AssociesNeauphle-le-Chateau 24 Place du Marche, 786402008SELARL

Architects near Neauphle-le-Château

All architects – Yvelines (78) →

Architects in Neauphle-le-Château: common questions

How many architects are there in Neauphle-le-Château?

The Sirene register lists 7 active architecture practices in Neauphle-le-Château: 3 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 Neauphle-le-Château?

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 Neauphle-le-Château (height, position, appearance) are set out in the local plan (PLU).

How much does an architect cost in Neauphle-le-Château?

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.