What is an illegal building?

Illegal buildings mainly include the following situations: at present, the meaning of "illegal (legal) buildings" in Chinese laws is not clear, and a more recognized statement in academic circles is: buildings and other working objects built in violation of the Land Management Law, the Urban and Rural Planning Law and other relevant laws and regulations. Is there any compensation for the demolition of illegal buildings? What are the illegal buildings?

(1) Buildings built without application or approval and without obtaining the construction land planning permit and the construction project planning permit;

(2) changing the buildings built according to the provisions of the construction project planning permit without authorization;

(three) buildings built without changing the nature of use;

(four) buildings that have not been demolished into permanent buildings after the expiration of the temporary building construction period; (5) Forging relevant materials to defraud the building approved by the competent department.