Window Treatment Ideas for Corner Windows

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Architect and online interior designer

5 min read

In this post
  1. How do you dress a corner window?
  2. Which window treatment ideas work best for a living room corner?
  3. What about modern window treatment ideas?
  4. How do you handle large windows and glare?
  5. Window treatment ideas for bedrooms and kitchens
  6. Unique window treatment ideas for a corner
  7. What should you know about cords and pets?
  8. Finishing the corner
  9. Frequently asked questions

For a corner window, the simplest answer is to treat each wall of glass as its own window and keep the fabric, color and hardware consistent across both. Layer a sheer panel with a heavier curtain or a shade, and choose the layers based on which way the window faces.

Corner windows are a bit unusual. They catch light from two directions and give you diagonal views across the room, so the treatment needs to manage glare without hiding that view. Here are the options I'd consider, organized by what they do best.

How do you dress a corner window?

Start by measuring each window separately, then measure the whole corner. If the two windows meet at a post or a mullion, you can hang one rod per window and keep a small gap at the corner. If the glass meets with no post, a continuous track or a bay-style rod that turns the corner keeps the line clean.

Two principles help. First, repeat the same heading style, fabric and rod finish on both walls so the corner reads as one composition. Second, mount hardware higher and wider than the glass so the window looks larger and the curtains can stack off the view when open.

Which window treatment ideas work best for a living room corner?

Living rooms usually need daytime light and evening privacy, which makes layering the best fit. These are the window treatment ideas for a living room that I'd start with:

  • Sheer panels under floor-length curtains. The sheer softens glare during the day, and the curtain closes for privacy at night.
  • Woven wood or bamboo shades on both walls, with side panels for softness. They add texture and filter light warmly.
  • Roman shades in a medium-weight fabric, which suit a tailored room and stay out of the way when raised.

If the corner holds a reading chair or a window bench, keep the fabric above the seat or choose shades, so cushions and curtains don't fight for the same space. For related ideas, see these TV room ideas, where controlling glare matters even more.

What about modern window treatment ideas?

Modern window treatment ideas lean on clean lines and fewer layers. Flat roller shades, simple cellular shades and plain panels on a slim matte black rod all work. Pick a solid or a very quiet texture, and let the hardware be minimal.

Mid-century rooms take well to similar restraint: simple pleats or flat panels, natural fibers, and a warm wood or brass rod. Skip heavy valances and keep the fabric color close to the wall so the window frame stays the visual focus.

How do you handle large windows and glare?

Window treatment ideas for large windows should be decided by orientation. According to the Building Science Education site, windows on the north and south side let in natural light, and it is easy to control glare and heat on these facades. A corner often combines one of those with an east or west wall, which is where glare gets harder to manage.

The same page notes that fixed shades, louvers, and screens can help control unwanted glare and heat. Indoors, that translates to the following:

  • Use light-filtering cellular or roller shades on the sunnier wall, and a lighter sheer on the other.
  • For very tall glass, motorized or cordless shades save you from reaching and tugging.
  • Choose fade-resistant fabrics for sun-exposed corners, since cushions and rugs nearby will fade too.

Window treatment ideas for bedrooms and kitchens

In window treatment ideas for bedrooms, light control comes first. A blackout or room-darkening shade behind a decorative curtain gives you darkness for sleep and softness during the day. Mount the shade inside the frame and the curtain outside it so light gaps stay small.

For kitchen corners, choose materials that tolerate splashes and cooking grease. Roman shades in a wipeable fabric, café curtains that cover only the lower half, or faux wood blinds are easier to keep clean than long linen panels. Keep fabric away from the stove.

Unique window treatment ideas for a corner

If you want something less expected, a few options stand out:

  • A window seat with curtains that frame the bench like a small alcove.
  • Two different but related treatments, such as a shade on one wall and a panel on the other, tied together by color.
  • Patterned or lace café curtains on the lower half, with the top left open for light.
  • A tall plant or floor lamp in the corner itself, with panels on either side that stop short of it.

Whatever you choose, keep one element consistent, usually color or rod finish. That keeps a distinctive idea from looking random. If your corner is in a dining space, these dining room corner ideas pair well with it.

What should you know about cords and pets?

Cords are a real hazard around children and pets. The Federal Register notes that the rule on operating cords for custom window coverings took effect May 30, 2023, and applies to all custom window coverings manufactured after that date. Older shades may still have loose cords, so I recommend cordless or motorized options when you replace them.

With dogs, avoid floor-puddling fabric that gets chewed or tugged, and choose washable curtains in a tight weave. Low shades and sheers at nose height collect smudges, so a wipeable fabric helps. If you have questions about a chewed cord or fabric, check with your vet.

Finishing the corner

Once the window is dressed, add a layer of lighting and one place to sit. A reading lamp near the corner, a small side table and a chair that faces into the room, not just the glass, make the spot usable at night. Keep at least 18-24 inches of clear floor between seating and the nearest furniture so the corner doesn't block circulation.

If the corner is part of a calm retreat, take cues from these meditation room ideas: soft fabric, muted color and very little clutter.

Frequently asked questions

What window treatments never go out of style?

Simple floor-length curtains in a natural fabric, roman shades and woven wood shades have lasted because they are plain, adaptable and easy to layer. Neutral colors and tailored proportions keep them from dating.

What are some unique window treatment ideas?

Try curtains that frame a window seat like an alcove, café curtains over only the lower half of the glass, or different shades on each wall tied together by color. Keep one element consistent so the look stays intentional.

How high should you hang curtains on a corner window?

Mount the rod closer to the ceiling than the top of the glass, and extend it wider than the frame. That makes the window look taller and lets the fabric stack off the glass when open.

Can you use one rod for a corner window?

Yes, if the windows meet without a post, a continuous track or corner-turning rod keeps the line clean. If there is a post, one rod per wall with a small gap at the corner is simpler.

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Meet the author

Written by an architect.

Julio Arco is a passionate architect with years of experience in architecture, interior design, urban design, and housing. He studied at prestigious universities across North America and Europe.

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