Source: The Great Interpretation of Dreams (Ibn Sirin)
Demolishing a building in a dream indicates death, separation, or loss. Demolishing a house indicates the death of its owner. Demolishing a mosque indicates the death of a scholar.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Demolition indicates worry, grief, and calamity. Whoever sees himself demolishing his house will scatter his family.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Demolition is interpreted as worry. Whoever sees himself demolishing something will be afflicted with worry.