No renovation needed: the $2 decorating fix that makes almost any room feel twice as big

You’ve walked into a friend’s house before and thought, why does this place feel so much bigger than mine? Same size windows. Same floor plan on paper. Same time of day. But their rooms look wider, their walls glow, and yours feel a little closed in.

It’s almost never the windows themselves. It’s almost never the paint color. And it’s almost never the layout.

There’s one decorating choice that almost every American home gets wrong the day they move in, and it quietly shrinks every room for years. Most people never notice, because the thing causing it was put up by the last owner, or came in the box with something they picked up at Target. It looks fine. It feels normal. And it’s the exact reason a 36-inch window (about 91 cm) can look like it’s only 20 inches (about 51 cm) wide, which makes the whole room around it feel smaller than it is.

A black leather sectional sofa with a gray throw blanket in a living room with a red accent wall and abstract black and red artwork.

The fix costs about $2 (roughly €2) and takes about 20 minutes with a screwdriver. No painting, no new furniture, no renovation. Just a small shift in one thing you already own.

Here’s what’s actually going on.

Your brain doesn’t measure your rooms. It guesses.

When you look around a room, your eye isn’t doing the math on square footage. It’s picking up a few visual cues, mostly how much light hits the walls and where the daylight is coming in from, and jumping to “this room feels big and open” or “this room feels tight and closed in.” A study in the design journal Building and Environment found that people rated the same room as roomier and brighter when the daylight source looked fuller, even when the actual amount of light in the room hadn’t changed much.

In plain English: your brain reads brightness as openness. When light fills a room evenly and hits the walls, your brain says “big space.” When shadow crowds the corners and edges of the glass, your brain says “small space.” It’s automatic.

That means a room can shrink 30, 40, sometimes 50 percent in how it feels, and you’d never guess why. You start rearranging furniture that fits fine. You buy smaller pieces. You paint a wall white and it barely helps. You start to wonder if your rooms are just tiny.

They’re not. They just feel tiny, all day, every day, because of one small setup mistake.

Why designers can spot this in five seconds flat

Interior designers can walk into a room and spot this before they sit down, because they’re trained to look at the wall around the window, not the window itself. Their eye goes straight to the edges of the glass and reads what’s there.

Real estate photographers know it too. Before a listing shoot, one of the fastest tricks they use to make rooms look bigger is fixing this exact thing on every window in the house. Nothing else in the room changes. The homeowner walks in the next day and everything looks bigger and more open in the photos, and they can’t say why.

Home stagers do the same thing before an open house. Twenty minutes per window, no new furniture, and rooms show up 30 to 50 percent bigger to a buyer walking through.

Here’s the tension. If a designer can fix it in 20 minutes, and it works on almost every room, why does almost every homeowner still have the problem?

Because the thing causing it came pre-installed, or it came in the box with something else, and it looks like it belongs there. So nobody questions it. Not the last owner. Not the person who lived there before them. Not you.

You’ve been looking straight at it your whole life. It’s the reason your rooms have always felt a little smaller than the ones you scroll past on Pinterest, even when the square footage on paper is the same.

Want to test yourself? Walk into any room in your house right now, and instead of looking at the window, look at the wall on either side of the window frame. What’s happening in that 6-to-10-inch strip of wall (about 15 to 25 cm) right next to the glass?

If your answer is “nothing” or “there’s something bunched up there,” you’ve just found it.

Once you see it, you can’t unsee it. Every window in the house is doing the same thing. So is every hotel room you’ve ever stayed in. So is every rental you’ve ever walked through. And now you know why some rooms feel spacious and others don’t.

The culprit is your curtain rod. And it’s mounted in the wrong place.

Look at any window in your house with curtains on it. See where the rod ends on each side.

If it stops right at the edge of the window frame, or hangs over by just an inch or two, that’s the whole problem.

Here’s what happens every day: when you open your drapes, the fabric doesn’t clear the glass. It bunches up on either side and sits on top of 6 to 10 inches (about 15 to 25 cm) of glass on each side. Your eye reads the uncovered part as the actual window. So a 36-inch window (about 91 cm), with 8 inches of drape (about 20 cm) sitting on the glass on each side, looks like a 20-inch window (about 51 cm).

Every hour of daylight, your room is losing almost half its window.

HGTV designer Emily Henderson spells the fix out on her blog: extend the rod “at least 6-10 inches on either side of the window frame (if you have the space) so that when the curtains are pushed totally open, you can see almost all of the window.” Bob Vila’s guide lands on the same range.

The rod moves outward. The drapes stack against the wall, not the glass. The window is fully exposed, and the room finally reads as big as it is.

The 20-minute, $2 version

You don’t need a new rod or new curtains. You already own everything you need. The $2 (about €2) covers one small item.

Measure the window frame from outer edge to outer edge. Write the number down.
Add 6 to 10 inches (about 15 to 25 cm) to each side. For a 36-inch window (about 91 cm), your rod spans 48 to 56 inches (about 122 to 142 cm) total, with brackets 6 to 10 inches out from the frame on each side.
Take the existing rod down. Unscrew the two brackets, set everything aside.
Mark the new bracket spots at the same height as the old ones, just moved outward. Pencil, level.
Drill and mount the brackets. A regular screwdriver is enough. Reuse the old drywall anchors (plastic wall plugs) if you had them.
Fill the old holes with spackle. A small tube of lightweight spackle runs about $2. It’s a soft, putty-like filler for small holes. Per Bob Vila: dab, smooth flat, let dry, dot on matching paint.
Hang your rod back up. If it’s too short for the new width, most homes already own a longer rod in another room they can swap in.