A valance doesn't have to be fixed on a board. Love the fabric, the contrast trim and the shape this valance adds to the window. Great where no curtains or blind is required. I would have positioned it higher to cover the top of the window architrave.
A curved built-in banquette resides beneath an ocular ceiling detail in this breakfast nook. Pillows and built-ins eliminated the option for full-length draperies, so the designer chose simple Roman shades to offer privacy and to accent the architecture.