Is it illegal to rearrange balcony windows?

It is illegal to rebuild without the approval of the relevant departments.

According to the "Regulations on the Management of Building Decoration", if the decoration of the original house involves dismantling or changing the main structure and obviously increasing the load, it shall be handled in the following ways:

(1) The owner and user of the house must apply to the real estate administrative department where the house is located, and the house safety appraisal unit will review the use safety of the decoration scheme. The real estate administrative department shall decide whether to approve or disapprove within 20 days from the date of accepting the application for house decoration.

(2) The applicant for house decoration shall go through the construction application formalities with the approval letter to the construction administrative department and obtain the construction permit.

(three) the construction unit shall, in accordance with the relevant provisions of the supervision and management of the quality and safety of engineering construction, go through the procedures for the quality and safety supervision of architectural decoration engineering in the quality and safety supervision department where the project is located.

(4) For the decoration project that has not gone through the formalities of declaration and quality and safety supervision, the relevant competent department shall not go through the bidding procedures and issue the construction permit for the construction unit; Design and construction units shall not undertake the design and construction of decoration projects.

Extended data:

I. Reconstruction application materials

1. Application for registration of house change;

2. Real estate license;

3. Land use right certificate or land use certificate;

4. Relevant documents of house change;

5. Construction project planning permit;

6, construction land planning permit;

7, the construction project construction permit or commencement report;

Baidu Encyclopedia-Regulations on the Management of Building Decoration