A window valance is a short fabric panel that covers the top of a window
A valance is a decorative fabric strip that hangs from a rod above your window. It covers the curtain rod and the top few inches of the window opening, and it takes up far less fabric than full curtains. Most valances are sewn from a single rectangle of fabric, folded and hemmed, then hung on a standard curtain rod.
This project works well for beginners because the shape is straightforward—no curves, no complicated seams. You will need basic sewing supplies: a sewing machine, thread, scissors, a measuring tape, and an iron. The whole project typically takes two to four hours from start to finish, depending on your sewing speed and whether you add decorative details like pleats or trim.
Key Takeaways
- Measure your window width and add 4 to 8 inches for fullness, then add 1 inch for seam allowance on each side.
- Cut your fabric to the width measurement and a height of 12 to 18 inches, depending on how much of the window you want to cover.
- Fold the top edge down 1.5 inches, press it flat with an iron, then sew it to create a rod pocket that holds the curtain rod.
- Hem the bottom and side edges with a 0.5-inch fold, pressing and sewing each one before moving to the next.
- Slide the finished valance onto your curtain rod and hang it above the window.
Measure your window and calculate fabric width
Start by measuring the width of your window opening from the outside edge of the trim on one side to the outside edge on the other. Write this number down. This is your base width.
Add 4 to 8 inches to this base width to create fullness—the gentle fold and drape that makes a valance look intentional rather than flat. If your window is 36 inches wide, your fabric width should be 40 to 44 inches. Then add 1 inch more for seam allowance (0.5 inches on each side). So a 36-inch window needs fabric that is 41 to 45 inches wide.
For the height, measure from where you want the rod to sit (usually 4 to 6 inches above the window frame) down to where you want the valance to end. Most valances fall 12 to 18 inches below the rod. Add 3 inches to this measurement for the rod pocket (the folded channel that holds the rod) and hems. A 15-inch-long valance needs fabric that is 18 inches tall.
Cut and prepare your fabric
Lay your fabric flat on a clean, large surface—a cutting table, bed, or floor works well. Use a measuring tape and a ruler or straightedge to mark your cutting lines with a fabric pencil or chalk. Mark the width and height you calculated in the previous step.
Cut along these lines with sharp fabric scissors. Make your cuts as straight as possible; a crooked edge will show when the valance hangs. If your fabric has a pattern or nap (like velvet or corduroy), check that the pattern runs the same direction on both sides of the cut—this matters for how light hits the fabric.
Press your cut fabric with a warm iron on the appropriate heat setting for your fabric type. This removes wrinkles and makes sewing much easier. Let the fabric cool before you move it.
Sew the rod pocket at the top
The rod pocket is the folded channel at the top of the valance that holds the curtain rod. Lay your fabric flat with the wrong side (the back) facing up. Fold the top edge down 1.5 inches toward the wrong side. Press this fold flat with your iron.
Fold it down another 1.5 inches in the same direction, so you now have a double fold. Press this second fold flat as well. This double fold creates a sturdy pocket and hides the raw edge of the fabric inside.
Pin this folded edge in place with sewing pins spaced 4 to 6 inches apart. Thread your sewing machine with thread that matches your fabric. Sew along the bottom edge of this folded section, staying about 0.25 inches from the fold. Sew slowly and keep your line straight. Backstitch at the beginning and end to lock your thread.
Hem the bottom and side edges
Lay the valance flat with the right side (the front) facing up. Fold the bottom edge up 0.5 inches toward the wrong side and press it flat with your iron. Fold it up another 0.5 inches and press again. This creates a clean, finished edge that will not fray.
Pin this bottom hem in place. Sew along the fold line, staying about 0.25 inches from the edge. Use the same thread color and sew speed as you used for the rod pocket. Backstitch at both ends.
Now fold each side edge in the same way: 0.5 inches, press, fold another 0.5 inches, press, pin, and sew. Work on one side at a time. When you reach the corner where the side meets the bottom hem, fold the corner neatly so the two hems meet at a 45-degree angle—this is called a mitered corner and it looks professional. Sew slowly through the corner.
Common mistakes to avoid
The most common error is making the rod pocket too tight. If you fold only 1 inch instead of 1.5 inches, the rod will not slide through easily, and you may damage the fabric trying to force it. Test the pocket with your actual rod before you finish sewing if you are unsure.
Another frequent mistake is sewing the hems crooked. This shows when ready when the valance hangs. Use your sewing machine's guide lines or a ruler taped to the machine bed to keep your seam straight. Sew slowly, especially around corners.
Pressing your folds before sewing makes a huge difference in how the finished valance looks. Do not skip this step. A pressed fold sews straighter, lies flatter, and looks more polished when it hangs.
Hang your finished valance
Slide your finished valance onto your curtain rod. The rod should slide through the pocket you created at the top. If the rod does not slide smoothly, the pocket may be too tight—gently stretch the fabric as you slide. If the rod falls through, the pocket is too loose; you can hand-stitch a small section tighter if needed.
Hang the rod in its brackets at the height you measured earlier. Step back and look at how the valance drapes. If one side hangs lower than the other, the fabric may not have been cut straight, or the rod may not be level. Adjust the rod brackets until the valance hangs evenly.
Smooth out any wrinkles by hand or with a cool iron held just above the fabric (do not let the iron touch the fabric directly while it hangs, as this can scorch it). Your valance is now complete and ready to frame your window.
Frequently Asked Questions
Can I add a ruffle or trim to the bottom of my valance?
Yes. Sew the trim or ruffle to the bottom edge before you hem it. Pin the trim to the right side of the fabric along the bottom edge, then sew it on with a 0.5-inch seam allowance. Then fold and hem as usual—the trim will be caught in the hem and will not come loose.
What if my window is wider than the fabric I bought?
You can sew two pieces of fabric together side by side to make a wider valance. Sew them together along the side edges with a 0.5-inch seam allowance, press the seam open, and then proceed with the rod pocket and hems as usual. The seam will be hidden when the valance hangs.
Do I need to line my valance?
Lining is optional and adds weight and body to the valance, making it drape better. If you want to line it, cut a piece of lining fabric the same size as your main fabric, place them right sides together, sew around three sides (leaving the top open for the rod pocket), turn it right side out, press, and then create the rod pocket as usual.
How do I wash my valance?
Remove the valance from the rod and check your fabric's care label. Most cotton and cotton-blend valances can be hand-washed in cool water or machine-washed on a gentle cycle. Lay it flat to dry or hang it to dry, then press with an iron if needed before hanging it back on the rod.