Realistic construction time for a bungalow?

the local painter doesn't care about his last 10% and simply stops answering the phone, even though some parts were painted terribly.

He should put the Building Code under his pillow if he thinks he can effectively opt in silently to offset the retention by “ghosting” the customer. He can't.

We signed in May 21 and moved in at the beginning of November 22. Bungalow 100sqm concrete-filled Lego kfw55. Without the missing heating, it probably would have been August, I think.