The Old Structure
Scholars have said that whoever sees himself renovating an old structure belonging to a scholar may indicate the revitalization of that scholar's legacy. If the building belonged to a pharaoh or an oppressor, it is interpreted as the revival of their legacy.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam
Note: These are traditional scholarly interpretations (ijtihad) drawn from a specific classical source — not a binding religious ruling, fortune-telling, or a prediction of the future.