Best Window Drapes and Curtain Lengths For A Professional Finish

Window treatments can completely transform the look and feel of a room.

Knowing the correct height and the best curtain lengths for your window treatments is a big part of this.

White chevron linen drapes
Image via Custom Curtains Beyond

How to get the best curtain lengths for your windows.

Whichever window treatment you choose, knowing how to measure up your window and hang the window treatment properly is key for a professional look and finish.

Curtains or Drapes?

Drapes are simply are more formal fabric window treatment than standard curtains.

For example, heavy blackout curtains can add warmth and provide a cozy feel to a space.

Most window curtains are often available in a wide range of colors, styles, patterns, and lengths.

Whereas window drapes, typically pleated at the top of each panel, can help to add a traditional touch to your home.

These are usually lined and come in panels sold in pairs.

window showing the best curtain length for window treatment with blinds and whiet curtains
Lux holdups lucite drapery rod

To make this process easier than ever, I’ve put together a simple guide to help you find the best curtains or window drapes for your room and to figure out the right length for your specific windows.

Window Drapes & Curtain Length Tricks.

Here are some top interior design tips for measuring window treatments to create different looks and desired effects within a room.

Add height with exaggerated curtain lengths.

To give the illusion of height, there is a simple interior design trick using window drapes or curtains to trick the eye.

Rather than buy a window treatment that starts at the top of the window and falls a couple of inches below the windowsill, you need to add length by raising the bar, so to speak.

Instead of attaching the curtain rod above the top of the window frame, position it higher, while leaving around 5 inches of wall before it meets the ceiling.

Now measure from the top of the rod to the floor and use this measurement when purchasing your window treatment.

This interior design tip will help you to add drama to any room and give the illusion of a larger window, instead of creating a standard box with a set of curtains or blinds that match the size of the window.

How long should your drapery be?

Ideally, you’ll want your drapes to almost touch the floor.

Some times you might see drapes that are “puddled.”

This implies the fabric is so long it lies or puddles on the floor.

We went with this more formal look in our old home in New York.

While it was pretty to look at, personally, I don’t recommend it as collects a lot of dust.

Side note: Not only is the correct length crucial, but so is the width of your curtains and drapes.

You want to make sure you avoid skinny, skimpy curtains by measuring fabric for window treatments two times the width of the window.

traditional dining room drapes
Our dining room with the draperies hung a few inches above windows.

Create depth with layered window treatments

You can also add depth and texture to any room by layering a heavy fabric curtain over a sheer window drape.

Start with a sheer panel that will hang over the window and allow light into the room.

Then, you should invest in a high-quality pair of curtains made of a thicker fabric.

Using the above height illusion technique for window treatments, hang your curtains as a second layer over the window drapes.

This instantly gives your windows more depth and allows you to enjoy privacy whilst still allowing daylight to flood in.

Make sure that your window drapes and curtains are exactly the same length, or you’re not going to get a professional finish.

Make a room cozier with shorter curtains.

If you’re lucky enough to have a home with high ceilings, you might actually want to create a window treatment that makes your room feel cozier.

This can be easily achieved by attaching the curtain rod at the top of the window frame and measuring curtains or window drapes that hang well above the floor.

Short curtains will make it look as though the ceilings are lower than they actually are.

Take this a step further by choosing darker or heavier fabrics for your curtains or window drapes.

shorter curtain lengths

How To Hang A Curtain Properly In 5 Steps:

Time needed: 2 hours and 45 minutes.

Ready to measure your window treatment like a pro?

Supplies: you’ll need the following items:
Curtain rod with brackets
Tape measure
Level or phone app that has this feature

Here are the 5 simple steps you’ll need to follow every time.

  1. Remove any old blinds, curtains, or window treatments and move any furniture away from the window sill, so you can access it easily.

    You need an open space to work and measure.

  2. Decide whether you want to elongate the height or width of the window or create a cozy vibe.

    Then using the tape measure, calculate the depth of your window to determine the ideal size of your curtain brackets.
    Ideally, as a rule of thumb, you’ll need the brackets to be positioned ahead of the depth of your trim.
    Too shallow and the curtains won’t hang professionally.

  3. Use the tape measure and a pencil to mark where your curtain brackets will need to be attached to the wall.

    Roughly this is around 5 inches above the window frame.
    Or, to add more length to your window treatment, go higher.
    Make sure to leave around 5 inches below the ceiling to hang the rod.
    *At this point, you can measure from the rod to the floor or where you’d like the window treatment to hit the floor to get the exact length for drapes or curtains.

  4. Once you’ve purchased your window treatment, you can now attach the brackets using the measurements you made previously and check that the rod is level.

    If you’re hanging curtains, make sure there is enough space on either side of the window for you to push back the curtains and allow light to enter the room.

  5. Once the rod is secure, you can hang up the curtains or window drapes for a professional finish.


Hopefully you found all these window treatment tips and ideas for getting the best curtain lengths helpful.

For even more beautiful decor ideas and inspiration for your windows, be sure to check out these posts:

Living room image with drapes dramatically touching the floor from the book: For The Love Of White.

For even more great home decor ideas, be sure to join our fun and VERY helpful design Facebook group!

In this group – members share photos with their design questions and dilemmas from their own home. We all chime in with our best advice!

It’s also great for sourcing hard to find items and pieces.

Lastly, to help you even further with your home projects, download my FREE DESIGN CHEAT SHEET, it’s loaded with all sorts of quick tips and handy measurements.

Click here to grab that, it’ll be super helpful!


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