Use the 81 Pad Grid, Not the 64 Pad Grid, for House Doors
In the 81 pad grid the exact cardinal points fall on the fifth pad of each side: North on Soma (N5), East on Surya (E5), South on Yama (S5) and West on Varun (W5). In the 64 pad temple grid they fall between the fourth and fifth padas, so using it for a house shifts every door position.
Main door and room locations of a house