Free tool
Estimate my project
in 30 seconds.
Four questions to get a realistic budget range for your project, calibrated on our recent jobs. An honest starting point before the feasibility visit.
Configurator
Estimate your range in 30 seconds.
Four questions to get a realistic order of magnitude, based on our recent projects. It's not a firm quote: it's an honest starting point for framing your discussions.
1. Project typology
2. Mission type
3. Floor area
150 m²
4. Location
5. Niveau de finitions
How it works
An honest range, not a magic quote
4 targeted questions
Typology, mission, area, location: we compute a realistic range in seconds.
Based on our recent projects
The ranges are aligned with the costs observed in our Design + Build and MOE projects.
Contractual commitment after preliminary studies
The price is firm at the end of preliminary studies, governed by the standard Architecteurs contracts.
Comparison
Without an architect, with an architect, with Xiléades
Three approaches, three levels of commitment. The summary of missions covered depending on the chosen contractual setup.
Without an architect
Minor works only
- Building permit for a business
- Urban-planning diagnostic and PLU analysis
- Architectural design & permit application
- Coordination of trades and contractors
- Contractual fixed-price commitment
- Contractual schedule commitment
- Single site-insurance policy
- Single 10-year warranty
- ERP brief (fire safety, accessibility)
- One single point of contact from A to Z
With an architect
Classic project management
- Building permit for a business
- Urban-planning diagnostic and PLU analysis
- Architectural design & permit application
- Coordination of trades and contractors
- Contractual fixed-price commitment
- Contractual schedule commitment
- Single site-insurance policy
- Single 10-year warranty
- ERP brief (fire safety, accessibility)
- One single point of contact from A to Z
With Xiléades
RecommendedIntegrated Design + Build
- Building permit for a business
- Urban-planning diagnostic and PLU analysis
- Architectural design & permit application
- Coordination of trades and contractors
- Contractual fixed-price commitment
- Contractual schedule commitment
- Single site-insurance policy
- Single 10-year warranty
- ERP brief (fire safety, accessibility)
- One single point of contact from A to Z
| Mission | Without an architect Minor works | With an architect Project management | With Xiléades RecommendedIntegrated Design + Build |
|---|---|---|---|
Building permit for a business Legally impossible without an architect (French Urban Planning Code R*431-2). | |||
Urban-planning diagnostic and PLU analysis | |||
Architectural design & permit application | |||
Coordination of trades and contractors Architect alone: contractual coordination. Xiléades: integrated execution. | |||
Contractual fixed-price commitment | |||
Contractual schedule commitment | |||
Single site-insurance policy Otherwise: multiple policies (architect + each contractor). | |||
Single 10-year warranty | |||
ERP brief (fire safety, accessibility) | |||
One single point of contact from A to Z |
The general contractor brings together in a single contract missions usually split between project manager, general contractor and insurers: one price, one schedule, one point of contact.
Project decoder
Start my project
4 minutes. 6 questions. A personal reply from Hélène or Alexis within 24 working hours.
Why 4 minutes instead of a contact form?
Because the person who calls you back is not a salesperson — it is the architect who will draw your project. We want to understand before we propose a meeting, not the reverse.
We answer personally within 24 working hours. Phone, short video call, or voice note — your choice.