having done it vs after I did it

[ostap77]

1) "Having done it, I left the house."

OR

2)"After I did that, I left the house."

OR

3)"After I have done it, I left the house."

Which one would be natural for you?

 

[philadelphia]

Not a teacher

As a non-native speaker, the first.

 

[Rover_KE]

2 is the most natural.

1 is fine but formal.

3 is ungrammatical.

Rover

 

[ostap77]

2 is the most natural.

1 is fine but formal.

3 is ungrammatical.

Rover

"After I had done it, I left the house."
This one would be a bit more formal than 2)?