Is it illegal to build a sunny room on the top floor of Jiangyan City?

If the sun room can meet the following conditions, it is not an illegal building:

1, with a planning permit for the construction of the sun room project;

2, the sun room construction must be approved by the local planning bureau, urban management bureau and other government departments;

3. The area occupied by the sun room must be privately owned by the owner;

4, the sun room does not affect the lighting and use of other people's homes.

If you are not sure whether it is illegal, it is recommended to consult the property first.