What authorization should be given to build a veranda?
Verified 09 February 2023 - Directorate for Legal and Administrative Information (Prime Minister)
You want to build a veranda. You must obtain a city planning authorization before starting your work.
Depending on the situation of the land and the surface of your project, you must file a prior declaration of works or an application for a building permit. We're presenting the regulations.
You need to know if your land is located in one of the protected areas. It's the remarkable heritage sites, the surroundings of historical monuments, classified sites or pending classification, natural reserves, remarkable spaces and coastal environments to be preserved.
You can get this information from your city hall.
General case
You must check whether your construction is in an urban area of a municipality covered by a MORE: titleContent or a Land Use Plan (SOP).
You can get that information from your city hall.
Who shall I contact
Your construction is located in an urban area of a PLU or POS
The choice of city planning authorization depends on the surface area of your building.
Creation of 20 m² or less
The construction of a veranda of more than 5 m² is subject to Advance Work Statement (AD) when sound ground right of way and sadness floor area are less than 20 m².
Creation of 20 to 40 m²
The construction of a veranda of more than 5 m² is subject to Advance Work Statement (AD) when sound ground right of way and sadness floor area are less than 40 m².
Warning
You must apply for a building permit and use an architect if the construction of the veranda brings the total surface of the house to more than 150 m².
Creation of more than 40 m²
Your project is subject to building permit when sound ground right of way or sadness floor area are more than 40 m².
Warning
You must have recourse to an architect if the house is more than 150 m² before work or if the construction of the veranda brings its total surface to more than 150 m².
Other situations
Creation of 20 m² or less
The construction of a veranda of more than 5 m² is subject to Advance Work Statement (AD) when sound ground right of way and sadness floor area are less than or equal to 20 m².
Creation of more than 20 m²
Your project is subject to building permit when sound ground right of way or sadness floor area are more than 20 m².
Warning
You must have recourse to an architect if the house is more than 150 m² before work or if the construction of the veranda brings its total surface to more than 150 m².
Sectors protected
Your construction is located in an urban area of a PLU or POS
The choice of city planning authorization depends on the surface area of your building.
Creation of 40 m² or less
The construction of a veranda is subject to Advance Work Statement (AD) when sound ground right of way and sadness floor area are less than 40 m².
Warning
You must apply for a building permit and use an architect if the construction of the veranda brings the total surface of the house to more than 150 m².
Creation of more than 40 m²
Your project is subject to building permit when sound ground right of way or sadness floor area are more than 40 m².
Warning
You must have recourse to an architect if the house is more than 150 m² before work or if the construction of the veranda brings its total surface to more than 150 m².
Other situations
Creation of 20 m² or less
The construction of a veranda is subject to Advance Work Statement (AD) when sound ground right of way and sadness floor area are less than or equal to 20 m².
Creation of more than 20 m²
Your project is subject to building permit when sound ground right of way or sadness floor area are more than 20 m².
Warning
You must have recourse to an architect if the house is more than 150 m² before work or if the construction of the veranda brings its total surface to more than 150 m².
Who can help me?
Find who can answer your questions in your region
For information on city planning regulations and administrative procedures
Telephone administrative information - Allo Public ServiceThe informants who answer you belong to the ministry in charge of housing and city planning.
Cost: free service
Attention: the service does not have access to users' personal files and therefore cannot provide information on their progress.
The service is available at the following times:
- Monday: 8.30am to 5.30pm
- Tuesday: 8:30 to 12:15
- Wednesday: 8:30 to 12:15
- Thursday: 8.30am to 5.30pm
- Friday: 1 p.m. to 4:15 p.m
For information on your local city planning plan or advance declaration file
Town Hall
- City planning Code: Articles R421-9 to R*421-12New constructions subject to prior notification
- City planning Code: Articles R*421-17Work on existing buildings subject to prior declaration
- City planning code: article R421-1New constructions subject to building permits
- City planning Code: Articles R421-14Work on an existing building subject to a building permit
- Method of calculating the floor area
Simulator
- Support for your city planning authorization request
Online service
- Prior declaration for a detached house and/or its annexes - DPMI
Form
- Prior notification (construction, works, installations and facilities not subject to a building permit)
Form
- Application for a building permit for a detached house and/or its annexes (CMIP)
Form
- Application for a building permit (other than for a detached house or its annexes)
Form
FAQ
- Advance Work Declaration (PNR)Service-Public.fr
- Building permitsService-Public.fr