My garage looks like a room in the house, I built most of it with a friend who is a contractor.
The ceilings are quite low for a garage, but it is all insulated and air conditioned, which is needed in Houston.
It's a bit crowded but a good working space. I don't mind working on my back if the job calls for it.
I've done lots of work in this space in the 15-ish years I've lived here. I really enjoy unwinding and spending time in there (almost every day).