How much does an architect cost in Paris?

Architect fees in Paris range from 8% to 12% of construction costs. A simple permit-only mission can start around 3–5%, while a full design & site supervision mission goes up to 12–14% for complex projects.

When is hiring an architect mandatory?

In France, hiring an architect is legally mandatory above 150 m² of floor area, and for most building permit applications involving extensions, restructuring or new construction.

How long does an apartment renovation take?

A complete renovation in Paris typically takes 9 to 14 months: 2–3 months of design, 1–4 months for permits, and 4–8 months of construction depending on scope.

Do you work with English-speaking clients?

Yes. We regularly work with international clients in Paris. All meetings, documents, contractors coordination and site visits can be conducted in English.

Can you handle ABF (heritage) projects?

Yes. We have extensive experience with the Architecte des Bâtiments de France in protected areas of Paris (Marais, Île Saint-Louis, around monuments) and manage the entire dialogue with heritage authorities.

Architecture practice — Paris

Architect in Paris
design, permits & construction

We design and deliver renovation, restructuring and interior architecture projects across Paris and Île-de-France. Architect HMONP, full support from feasibility to handover.

Quick answer

An architect in Paris typically costs 8% to 12% of construction costs. The fee depends on the type of mission (full design, permit only, project management) and the complexity of the project.

Get a free quote View our projects

8–12%

Architect fees

100+

Projects delivered

48h

First reply

Paris arrondissements

Our services in Paris

Building permits (permis de construire) and prior declarations (déclaration préalable)
Full apartment renovation — Haussmannian, Art Deco, contemporary
Restructuring & layout redesign (load-bearing walls, new bathrooms, kitchens)
High-end interior architecture & custom millwork
ABF (Architecte des Bâtiments de France) projects in protected areas
Co-ownership coordination and authorisations

A clear, structured process

Every project follows a five-step methodology, designed to remove ambiguity and protect both your timeline and your budget:

Free first meeting & feasibility study
Preliminary design (APS) and detailed design (APD)
Permit filing and follow-up with the city of Paris
Tender, cost optimisation and contractor selection
On-site supervision, quality control and handover

Why work with an HMONP architect

Above 150 m² of floor area, hiring an architect is mandatory in France. But beyond the legal threshold, an architect ensures your project is technically sound, compliant with the PLU bioclimatique 2024, and optimised for your usage.

Regulatory compliance (PLU, ABF, fire safety, accessibility)
Optimised layouts that increase your property value
Independent cost control vs contractors
Single point of contact through the entire project

About our practice

Architectural practice led by an HMONP-certified architect, specialized in renovation, restructuring, building permits and high-end interior architecture. 100+ projects delivered across Paris, Île-de-France and Bordeaux Metropolitan Area.

Service area

We work across Paris and Île-de-France — including Boulogne-Billancourt, Neuilly-sur-Seine, Levallois-Perret, Asnières-sur-Seine, Issy-les-Moulineaux, Courbevoie, Vincennes, Saint-Cloud, Meudon and Clamart — as well as the Bordeaux Metropolitan Area, including Mérignac, Pessac, Talence, Bègles, Le Bouscat, Bruges, Cenon, Floirac, Lormont and Gradignan.

Frequently asked questions

Let's talk about your project

Tell us about your space, your timeline and your ambitions. We reply within 48 hours with an initial assessment.

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Architect in Parisdesign, permits & construction