“I’m into comfy things, and a window seat really hits that,” said Zoë Feldman, an interior designer based in Washington, D.C.

Building a new window seat? Ensure that it has storage space. You can use drawers, cubbies, or door shelves. Now, coming to ...

For even more storage space, build some floor-to-ceiling bookshelves on each side of the window seats. If they use the same materials and basic design features, the bookshelves will complement the ...

A window seat in the kitchen will double as a banquette and easily accommodate more guests at family gatherings or parties.