A threshold can be an object, such as a stone doorsill. It can be that empty space inside the doorframe. It can be a new beginning. But the threshold of the Clayton apartment of designer Ken ...

Castle Design, founded in 2003 and recognized for its portfolio of award-winning, high-end residential interior design, announced its acquisition of St. Louis-based Kelly Johnson Design on Jan. 1.

Old houses have a lot to teach us about interior design, but it’s a subtle learning. In Ireland, not many great houses survive. Those that do, and that are open to the public, are mostly those of the ...