Window Treatment Ideas for Corner Windows on a Budget

The simplest window treatment for a corner window is a pair of matching shades or sheer panels, one on each window, hung on the same line. Add a layer of fuller curtains only if you need privacy or darkness. Corner windows meet at an angle, so the goal is to keep the light and make the corner look like one deliberate feature.

Corner windows are tricky because two walls of glass mean two sets of hardware, and a mismatch shows. The good news is that a few inexpensive choices handle most of it.

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What are the best window treatment ideas for corner windows?

There are four approaches that work in most homes, and none needs a custom budget.

• Matching roller or cellular shades on each window, mounted at the same height. They keep the corner clean and let you lower one side only.
• Sheer curtains on a rod that wraps the corner or two rods that meet. Sheers soften glare and keep the view.
• Woven wood or bamboo shades. The texture adds warmth, and the light that comes through is filtered and gentle.
• Top-down, bottom-up shades. You get privacy at eye level and daylight from above.

As an architect, I'd pick one treatment and repeat it on both windows. Mixing two different styles in the same corner usually reads as an accident.

How do you hang curtains on a corner window?

Measure first. Get a tape measure and note the width of each window, the distance from each window to the adjacent wall, and the distance from the frame to the ceiling.

Then follow these steps:

1. Mount both rods at the same height, a few inches above the frame, so the eye reads one continuous line.
2. Let the rods extend past the glass on the outer sides so panels can stack off the window and not cover it.
3. Leave the inside of the corner either empty or fitted with a single narrow panel, so the two curtains don't collide when open.
4. Choose a length that either just clears the sill or reaches the floor. Avoid in-between lengths.

If your furniture sits in front of the corner, check that a curtain can still open fully. A sofa or desk pushed against the glass will pin the fabric.

Which treatments suit each room?

Window treatment ideas for the living room

Layer a light-filtering shade under floor-length curtains. In the evening you close the curtains for coziness, and during the day the shade handles glare. If you have a lot of glass, this also works as a set of window treatment ideas for large windows, because layers let you control each section separately.

Window treatment ideas for bedrooms

Blackout or room-darkening cellular shades are the practical choice, with a curtain over them for a softer look. Corner windows leak light at the meeting point, so let the fabric overlap the frame by a few inches on each side.

Kitchens and reading corners

Short Roman shades or café curtains keep fabric away from the sink and stove. A corner window next to a bench or small table is a good spot for a top-down shade, so you keep the sky and lose the view of the neighbor.

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What looks modern, and what looks unique?

For modern window treatment ideas, think flat, simple and tailored: roller shades in a solid color, slim rods in matte black or brass, and panels with no pattern or a very quiet one. Keep the hardware thin so the corner stays light.

For unique window treatment ideas on a small budget, try one of these:

• A linen panel on a rod with clip rings, so you can slide it open or closed like a screen.
• A woven shade paired with a plain sheer, mixing texture and softness.
• A patterned fabric on only one window, used as a roman shade, with a solid on the other. This works only if the colors tie together, so test it with samples first.

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How do orientation and glare change the choice?

Orientation matters more than style. According to the Building Science Education page on natural light and daylighting, windows on the north and south side let in natural light, and it is easy to control glare and heat on these facades. East and west exposures are harder, so a corner that faces them benefits most from an adjustable shade.

The same page notes that overhangs, fixed shades, louvers, and screens can help control unwanted glare and heat. Inside the house, a shade or a sheer layer does a similar job at a smaller scale.

If the sun fades your upholstery, pick a treatment that you can close during the brightest hours, and rotate cushions now and then.

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What about cords, kids and pets?

Cords are a hazard around children, and curious pets can get tangled too. The Consumer Product Safety Commission's rule on operating cords on custom window coverings took effect on May 30, 2023, and applies to all custom window coverings manufactured after that date. When you shop, choose cordless or motorized shades, and keep any remaining cords out of reach.

For dogs, I recommend washable curtains and shades that sit above nose height. A floor-length panel will collect drool and muddy paw prints, so a sill-length curtain is easier to live with. For electrical work such as hardwiring motorized shades, hire a licensed electrician.

How do you style the corner around the window?

Once the treatment is up, treat the corner as a small zone. A bench or slim armchair with a floor lamp makes a reading spot. Keep main walkways about 30-36 inches wide, and avoid blocking the window with tall furniture.

Want a similar approach for other glass? See our ideas for window treatments on French doors, which share many of the same layering rules.

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Frequently asked questions