Differences between zu Haus/nach Haus

Question

When should I use zu Haus and when nach Haus? For instance:

Ich fahrt nach/zu Haus.

Ich gehe nach/zu Haus.

Answer 1

Correct is:

Ich fahre nach Hause.
Ich gehe nach Hause.

Ich fahre/gehe nach Haus (without e) is more colloquial.

If you on the way to your home, you use nach. If you are already at home, you use 'zu Hauseorzuhause`.

Ich bin zuhause.  (I am at home)
Ich komme zuhause an (I arrive at home)
Ich esse zuhause (I eat in)

Answer 2

This is simple :)

nach Hause - Where are you going to? Home. Direction no matter how you get there.

zu Hause - Where are you? (At)Home. Current location. Also for to stay

von Zuhause - Where are you coming from? (From) home. "Origin"

This rule applys to any action. What matters is the question word.

From where are you calling? Von Zuhause.