The demolition in dreams indicate huge alterations in your life, therefore you are going to start building things from the beginning. Alternatively, the dream could show that you are unable to manage your own life.
Dream dictionary: Demolition dream meanings
…(zool.) By God’s leave, a bat was one of the many signs of God’s prophet Jesus son of Marry, upon both of them be peace. In a dream, a bat may represent a monk. It also means glad tidings for a pregnant woman. Seeing a bat in a dream is not considered as a good omen for a traveller. If a bat flies into a house in a dream, it means the demolition of that house or the separation of that family. A bat in one’s dream also represents a witch, or an unjust person who may have suffered from deprivation in his childhood. A bat in a dream also signifies blindness, heedlessness, a child of adultery, or a bastard son. In a dream, a bat also means hiding from people because of one’s evildoing, such as theft or eavesdropping. Seeing a bat in a dream also means the…
…rain. A snake with a horn in a dream represents a profitable business. Black snakes and pythons in a dream represent army generals. Water snakes in a dream represent money. If one sees his garden covered with snakes in a dream, it means that its trees will bear fruits and exceed the normal crop. A snake coming out of its hole in a dream represents a son. A snake leaving one’s house in a dream means its destruction or demolition. Killing a snake in a dream means marriage. Tapeworms or other intestinal worms in a dream represent one’s relatives and their children. Seeing snakes eating on one’s table in a dream means separation between friends. Desert snakes in a dream represent highway robbers. In general a snake or a serpent in a dream represent jealousy, envy, perfidy, swindlingpeople’s properties, deceit and an avowed enmity. (Also see Belt | Sting)…
If we are in it, it incites us to be cautious. If we build it, it indicates that we want security and for us and our goods. If we witness its demolition, it portends losses due to our lack of prudence.