How do you turn an office or business into a home?

Verified 04 April 2023 - Directorate for Legal and Administrative Information (Prime Minister)

You're looking at transforming an office or a business into housing. You're wondering about the steps to be taken. Do you need to contact the city planning and land registry services? If your premises are in co-ownership, do you have any procedures to do?

We are taking stock of the regulations.

Warning  

If you intend to rent the future accommodation, you must respect the decency characteristics.

By transforming a room into housing, you change its destination.

It is recommended to check that the MORE: titleContent don't object. You can consult the PLU in town hall.

Who shall I contact

Depending on your project, you must submit a prior declaration of works or an application for a building permit.

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Change of destination

If your change of destination is not accompanied by a change in the load-bearing structure or facade of your construction, you must make a Advance Work Statement (AD).

You can complete the RFP on the Internet or by using a form.

General case

You must complete your RFP file by paperless means according to the arrangements made by your municipality or on a paper form. Inquire on the website of the city hall or on site.

Who shall I contact
On the Internet

You can complete your RFP application file on the Internet:

Support for your city planning authorization request

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

Change of destination or sub-destination with facade change

You must request a building permit.

You can do your work on the Internet or by using the building permit form.

General case

You must complete your PC file by paperless means according to the arrangements made by your municipality or on a paper form. Inquire on the website of the city hall or on site.

Who shall I contact
On the Internet

You can complete your PC application file on the internet:

Support for your city planning authorization request

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

Change of destination or sub-destination with modification of the carrier structure

The supporting structure of a building comprises all the elements (supporting walls, posts, beams and lintels) that allow it to support its framework and floors.

You must request a building permit.

You can do your work on the Internet or by using the building permit form.

General case

You must complete your PC file by paperless means according to the arrangements made by your municipality or on a paper form. Inquire on the website of the city hall or on site.

Who shall I contact
On the Internet

You can complete your PC application file on the internet:

Support for your city planning authorization request

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

The conversion of a room into a dwelling modifies the calculation of theproperty tax.

The territorial economic contribution is deleted when you transform a business premises into a dwelling.

You must declare the assignment change with the form next:

Change in the consistency or use of built and non-built properties (Declaration No 6704)

You must send it by mail RAR: titleContent or deposit it in the land registry office on which your premises depends, within 90 days of the realization of the change of destination.

Who shall I contact

The co-ownership rules defines the purpose of the building (dwelling, office, business...).

Your approach will be different depending on whether or not the transformation of your premises into housing respects this destination.

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Your project respects the destination of the building

You can to change the allocation of a premises without any special approach to the condominium.

Your project does not meet the building's destination

You must request permission to change the assignment of your premises to a general meeting.

The decision shall be taken byunanimity of all co-owners.

Who can help me?

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