Curtain Lengths: How a Designer Decides Where Drapery Should Fall

A modern dining room with dark walls, a round black table, six blue chairs, a chandelier, large windows with curtains, and a sideboard with plants and glassware.

Last updated August 27, 2026 Key Takeaways Floor length is the right answer in almost every room that matters. Sill and apron lengths belong to kitchens, baths and windows with something under them. Mounting height changes a room more than length does. Hang the rod close to the ceiling, not just above the window frame. […]