What if the owner next door changes the entrance door privately?

Legal analysis: first, complain to the property, demand property coordination and rectification. No, then complain to the local urban management department and ask for restitution.

Legal basis: Article 5 of the Measures for the Administration of Residential Interior Decoration prohibits the following acts in residential interior decoration activities:

(a) without the consent of the original design unit or the design unit with corresponding qualification grade, changing the main body and load-bearing structure of the building without authorization;

(2) Changing rooms or balconies without waterproof requirements into bathrooms and kitchens;

(3) expanding the original size of doors and windows of the load-bearing wall and removing the brick-concrete wall connected with the balcony;

(four) damage to the original energy-saving facilities of the house, reducing the energy-saving effect;

(five) other acts that affect the safety of building structure and use.

Twenty-first any unit or individual has the right to report, accuse and complain about quality accidents, quality defects and other behaviors that affect the normal life of surrounding residents in the interior decoration of residential buildings.

(1) Changing rooms and balconies without waterproof requirements into bathrooms and kitchens, or removing brick walls and concrete walls connecting balconies, and imposing a fine of more than 500 yuan 1000 yuan on the decorator and a fine of more than 1000 yuan on the decorator.