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What authorization should be given for roofing work?

Verified 09 February 2023 - Directorate for Legal and Administrative Information (Prime Minister)

Do you want to carry out roof repairs that will change the exterior appearance of the building? You must obtain a city planning authorization before starting your work.

You do not need authorization when the materials and their shades are absolutely identical to those you are replacing. You must inquire with the city planning department of your municipality.

Who shall I contact

The city planning authorization is different if your work is accompanied by a change of destination of all or part of the building, for example by transforming a business into a dwelling.

General case

You have to drop off in town hall a Advance Work Statement (AD).

Who shall I contact
Jobs with change of destination

Your work changes the load-bearing structure or facade of the building and changes its destination. You have to drop off in town hall a building permit.

Who shall I contact

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

    The 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