I think a lot of people are going to be super surprised what a quiet room and your playlist of choice can do to increase productivity. Just my 2 cents.
Ironic thing is, she also works from home about 80-90% of the time. Guess she inhabits that mind-set more easily than I do!
That’s helped in most if not all cases.
It's the same for me – at home, and the opposite at the office. I live alone.
Outside of all that, it comes down to self-discipline.
That being said, their games in the other rooms of the house are occasionally pretty loud, but is it really worse than an open office?
He grew up that way though, so YMMV of course.
A proper work environment is key, including limiting distractions and proper ergonomics. You also need co-habitants which respect and understand the boundaries and work rules. It really helps to have a house. I live in an apartment and can't control the distractions(literally as I hit 'reply' someone started a power saw in the garage below my office).