If the sun room built on your own terrace has not been approved by the property management company or the urban construction department, it is an illegal building and needs to be demolished. Strictly speaking, illegal buildings refer to houses and facilities that have been started in violation of relevant laws and regulations. Generally speaking, it depends on whether the sun room is built illegally. First of all, it depends on whether the terrace occupied by the owner is owned by the owner. If it is owned by the owner, it is illegal whether the room is built or not. If the terrace is privately owned by the owner, it depends on whether there is a clause prohibiting the construction of "sun room" in the relevant treaty. If there are relevant provisions, then the owner can't build it; If the terrace is privately owned by the owner and there is no relevant regulation prohibiting construction, then if the owner wants to build a "sun room", it should also be built without affecting the lighting and use of others. If you want to repair or rebuild the existing building facilities, you must declare to the property, communicate with the property and developers, go to the relevant departments for approval, and apply to the Planning Bureau for filing.

Legal basis:

Article 44 of the Land Administration Law of the People's Republic of China, if the land occupied for construction involves the conversion of agricultural land into construction land, the examination and approval procedures for the conversion of agricultural land shall be handled. The conversion of permanent basic farmland into construction land shall be approved by the State Council. In order to implement the overall land use planning of cities, villages and market towns, if agricultural land other than permanent basic farmland is converted into construction land, the organ that originally approved the overall land use planning or its authorized organ shall, in accordance with the provisions of the State Council, approve it in batches according to the annual land use plan. Within the approved scope of agricultural land conversion, the land for specific construction projects can be approved by the municipal or county people's governments. The conversion of agricultural land other than permanent basic farmland into construction land outside the scope of construction land for cities, villages and market towns determined in the overall land use planning shall be approved by the people's governments of provinces, autonomous regions and municipalities directly under the Central Government authorized by the State Council or the State Council.

Derivative problem:

Is it illegal to build a sunshade in a parking space? It is illegal to build a sunshade in a parking space, which is generally not allowed and illegal. Without obtaining the construction project planning permit or failing to carry out construction in accordance with the provisions of the construction project planning permit, the competent department of urban and rural planning of the local people's government at or above the county level shall order it to stop construction; If corrective measures can be taken to eliminate the impact on the implementation of the plan, it shall be corrected within a time limit and a fine of more than 5% 10% of the project cost shall be imposed; Unable to take corrective measures to eliminate the impact, it should be removed within a time limit. If it cannot be demolished, the real object or illegal income shall be confiscated, and a fine of less than 10% of the project cost may be imposed.