Narada Purana (Jyotisha Selections) · by Vyasa
Chapter 9 · Vastu, Griha Pravesha
वास्तु गृहप्रवेशश्च
एवं गृहादिषु द्वारविस्ताराद्विगुणोच्छ्रितम् ।पश्चिमे दक्षिणे वापि कपाटं स्थापयेद्गृहे ॥ ५५३ ॥
In the full Narada Purana (Purva Bhaga) this is chapter 56, verse 553.
In houses and the like, make the door leaf twice as high as the doorway is wide. Set the door leaf in the west or south of the house.
Simple meaning: A door should be twice as high as it is wide. Place it on the west or south.
प्राकारांतः क्षितिं कुर्यादेकाशीतिपदं यथा ।
Divide the ground into 81 squares. The middle nine are Brahma's place and are not for building.
द्वात्रिंशदंशाः प्राकारसमीयांशाः समंततः ।
There are 32 parts along the wall. Starting a house in the goblin part can bring sorrow and fear.
शेषांशाः स्युश्च निर्माणे पुत्रपौत्रधनप्रदाः ।
The other parts bring sons and wealth. The plot's veins are lines from directions and corners.