The state advocates and supports the installation of elevators in existing residences, and the installation of elevators in old communities is conducive to the convenience of the owners of the building under the premise of complying with national laws and regulations and various requirements. However, whether the increased construction area of the original building belongs to all owners is a problem that is relatively easy to encounter in life now. It is generally believed that the addition of elevators belongs to the ancillary facilities of the building, not the exclusive part of the owner, and its nature should belong to special equipment, which is the exclusive equipment used for going up and down the stairs, and the increased relevant construction area should not be registered as real estate. 
According to Article 25 of the Measures for Adding Elevators to Existing Residences in Jinan, "the addition of elevators to existing residences is only used as a supplement to the vertical transportation system of the original houses, and the resulting increased construction area is not included in the planning indicators, and no real estate registration procedures are required." There is no need to re-occupy land and other related procedures for adding elevators to existing residences, and there is no need to pay municipal infrastructure supporting fees and other related administrative fees. ”
From this provision, it can be concluded that the increased area is not included in the urban land planning, and the relevant occupied land does not pay the corresponding land fee according to the urban construction land, but only as a supplement to the vertical transportation system of the relevant housing, so the increased construction area is not registered for confirmation of ownership.