halacha - Must a woman not dressed for outside draw the blinds when standing next to a home window?

While cooking and cleaning in her kitchen, a woman wears clothing which she would not wear in public for reasons of modesty. The stove and sink face a window that faces a public street. Most people walking by on the street, do not stare into the house, but it is possible to do so, and people might stop to gaze. Is the woman required to draw the blinds or shade of the window lest people see her dressed immodestly?