Entering the Neighbor's Dwelling
Scholars have said that if one sees themselves entering their neighbor's dwelling in a dream, it may indicate delving into the neighbor's secrets. If the dreamer betrays a wicked person, it might signify betraying them concerning their wife and livelihood. It is also said that building a dwelling for an unmarried person may symbolize marriage to a woman of high standing.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam