Do you need a city planning permit to build a balcony?
Verified 06 September 2024 - Directorate for Legal and Administrative Information (Prime Minister)
Yes, a city planning authorization is required to build a balcony.
Depending on the surface of your balcony and the area where your project is located (urban area of a local city planning plan) MORE: titleContent or protected sites), you have a Advance Work Statement (AD) or a building permit (PC) to be deposited. To know in which area is your construction, contact your city hall:
General case
Depending on the area where your project is located, the city planning authorization to be deposited differs.
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In an urban area of a PLU
The choice of city planning authorization depends on the surface of your balcony.
Balcony of 40 m² or less
Your project is subject to DP.
You can make your requests on the internet or by using a form, depending on whether you are in Paris or in another municipality.
General case
You must file your file in town hall:
- By dematerialized according to the arrangements made by your municipality (inquire on the site of the town hall or on the spot)
- By letter RAR: titleContent
- In your own hand.
Who shall I contact
The form is different if your balcony is created on a detached house or on another type of construction.
For the balcony of a detached house, you must use the following form:
Prior declaration for a detached house and/or its annexes - DPMI
For the balcony of another type of construction, you must use the following form:
In Paris
You must submit your file to the Office Accueil et service à l'user (Basu: titleContent) by dematerialized means only:
Office Accueil et Service à l'User (Basu) de Paris: one-stop-shop
Balcony of more than 40 m²
Your project is subject to PC.
You can do your homework on the Internet or on a building permit form, depending on whether you are in Paris or another municipality.
General case
You must file your file in town hall :
- By dematerialized according to the arrangements made by your municipality (inquire on the site of the town hall or on the spot)
- By letter RAR: titleContent
- In your own hand.
Who shall I contact
The form is different if your balcony is created on a detached house or on another type of construction.
For the balcony of a detached house, you must use the following form:
Application for a building permit for a detached house and/or its annexes (CMIP)
For the balcony of another type of building, you must use the following form:
Application for a building permit (other than for a detached house or its annexes)
In Paris
You must submit your file to the Office Accueil et service à l'user (Basu: titleContent) by dematerialized means only:
Office Accueil et Service à l'User (Basu) de Paris: one-stop-shop
Outside an urban area of a PLU
The choice of city planning authorization depends on the surface of your balcony.
Balcony of 20 m² or less
Your project is subject to DP.
You can complete the RFP on the internet or by using a form depending on whether you are in Paris or another municipality.
General case
You must file your file in town hall :
- By dematerialized according to the arrangements made by your municipality (inquire on the site of the town hall or on the spot)
- By letter RAR: titleContent
- In your own hand.
Who shall I contact
The form is different if your balcony is created on a detached house or on another type of construction.
For the balcony of a detached house, you must use the following form:
Prior declaration for a detached house and/or its annexes - DPMI
For the balcony of another type of building, you must use the following form:
In Paris
You must submit your file to the Office Accueil et service à l'user (Basu: titleContent) by dematerialized means only:
Office Accueil et Service à l'User (Basu) de Paris: one-stop-shop
Balcony of more than 20 m²
Your project is subject to PC.
You can make your requests on the Internet or a user using the PC form, depending on whether you are in Paris or in another municipality.
General case
You must file your file in the city hall:
- By dematerialized according to the arrangements made by your municipality (inquire on the site of the town hall or on the spot)
- By letter RAR: titleContent
- In your own hand.
Who shall I contact
The form is different if your balcony is created on a detached house or on another type of construction.
For the balcony of a detached house, you must use the following form:
Application for a building permit for a detached house and/or its annexes (CMIP)
For the balcony of another type of building, you must use the following form:
Application for a building permit (other than for a detached house or its annexes)
In Paris
You must submit your file to the Office Accueil et service à l'user (Basu: titleContent) by dematerialized means only:
Office Accueil et Service à l'User (Basu) de Paris: one-stop-shop
Sectors protected
In a protected site, the city planning authorization to request differs depending on the surface of your balcony.
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Balcony of 20 m² or less
In a protected area, a DP is required for the construction of a balcony whose surface is less than or equal 20 m2.
You can complete the RFP on the internet or by using a form, depending on whether you are in Paris or in another municipality.
General case
You must file your file in the city hall:
- By dematerialized according to the arrangements made by your municipality (inquire on the site of the town hall or on the spot)
- By letter RAR: titleContent
- In your own hand.
Who shall I contact
On the Internet
Form
The form is different if your balcony is created on a detached house or on another type of construction.
For the balcony of a detached house, you must use the following form:
Prior declaration for a detached house and/or its annexes - DPMI
For the balcony of another type of building, you must use the following form:
In Paris
You must submit your file to the Office Accueil et service à l'user (Basu: titleContent) by dematerialized means only:
Office Accueil et Service à l'User (Basu) de Paris: one-stop-shop
Balcony of more than 20 m²
Your project is subject to PC.
You can make your requests on the Internet or a user using the PC form, depending on whether you are in Paris or in another municipality.
General case
You must file your file in the city hall:
- By dematerialized according to the arrangements made by your municipality (inquire on the site of the town hall or on the spot)
- By letter RAR: titleContent
- In your own hand.
Who shall I contact
On the Internet
Form
The form is different if your balcony is created on a detached house or on another type of construction.
For the balcony of a detached house, you must use the following form:
Application for a building permit for a detached house and/or its annexes (CMIP)
For the balcony of another type of building, you must use the following form:
Application for a building permit (other than for a detached house or its annexes)
In Paris
You must submit your file to the Office Accueil et service à l'user (Basu: titleContent) by dematerialized means only:
Office Accueil et Service à l'User (Basu) de Paris: one-stop-shop
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 Service
For more information on this topic, you can contact Allô Service Public.
Attention: the service does not have access to users' personal files and cannot therefore provide information on their status.
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- Mercredi : de 08h30 à 12h15
- Jeudi : de 08h30 à 17h30
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- Service free
The informants who answer you belong to the ministry in charge of housing and city planning.
For information on your local city planning plan or file
Town HallFor information on the local city planning plan or your file in Paris
Paris: Reception and service desk (Basu)For architectural, city planning and environmental information
Architectural, city planning and Environmental Council (CAUE)
Work subject to building permits
Work subject to prior declaration in protected areas
Work subject to building permits
Work subject to prior declaration
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Architectural, city planning and Environmental Council (CAUE)