Build a window seat. “I’m into comfy things ... a sofa wouldn’t fit — underneath a small roof dormer, say, or between built-in bookcases. She and other interior designers offered tips ...

She’s more likely to create built-in bookshelves for the homes she designs. Ditto for custom-made desks, built-in beds, window seats and more.

Built-ins are essentially pieces of furniture or storage spaces that are permanent parts of the home - such as a bench seat nestled below a window or a set of bookcases flanking a fireplace.