Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 9 · Vastu, Griha Pravesha
वास्तु गृहप्रवेशश्च
कर्तुर्वा जन्मभ लग्ने ताभ्यामुपचयेऽपि वा ।प्रवेशलग्ने स्याद्वृद्धिरन्यभेशोकनिःस्वता ॥ ७१९ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 719.
Let the entry lagna (rising sign) be the doer's birth sign or birth lagna. Or let it be an upachaya (growth house) from those two. Then the house grows. In any other sign, sorrow and poverty may come.
Simple meaning: Enter when the rising sign is the doer's birth sign, birth rising sign or a growth house from them.
शशीज्यांतेषु वरुणत्वाष्ट्रमित्रस्थिरोडुषु ।
Enter under Mrigashira, Pushya, Revati, Shatabhisha, Chitra, Anuradha or a fixed star, with Jupiter and Venus visible.
व्यर्कारवारे तिथिषु रिक्तामावर्जितेषु च ।
Move in on any day but Sunday or Tuesday, and avoid empty days and the new moon.
चंद्रताराबलोपेते पूर्वाह्णे शोभने दिने ।
Move in on a good morning, with the Moon and star strong, a fixed rising sign and a clean 8th house.