The ’70s add-on was a blight against the O’Neil Ford–designed residence. Now it’s a glowing gathering space that melds with ...

“I was a wee-one in the ’70s, but I definitely remember one ... a gaping hole in your living room floor.” Sunken spaces can be a safety hazard, especially for pets or young children.

“I was a wee-one in the ’70s, but I definitely remember one of my best friend ... “The risk of a fall is pretty high when there is, in essence, a gaping hole in your living room floor.” Sunken spaces ...