I love all your fabric choices and rug choice. I do not love them all together. Too many geometric patterns are going to be crazy-making. I also would not hang anything higher than the draperies. One large knock-your-socks-off canvas over the sofa is all you need. I will return and Photoshop in the morning...unless someone in another time zone beats me to it. ;-)

These are not exactly your patterns (except for the rug), but close enough for you to see how all the geometries fight.

I have other duties this morning, but will return later to help you adjust, if you'd like. Perhaps you could give us some closer photos of the fabrics; I'd like to see the pillow fabric in particular because I think that might be a good jumping off point for the rest.

Yes, you need an area rug. I would hang one large piece of art over the couch. And I would remove that tree in the corner, that is making the room feel unbalanced and it's making the couch look too short.

Hang drapes as groveraxle has shown, then measure the remaining space above the sofa and get one large piece of art for that spot (hung 5" above the sofa back.) Don't worry about anything above the drapes. You want your decor to be within the living space which is always 8-9 feet.

Ignore the space between the two higher windows. You don't need to decorate that. Put the focus of your room in the bottom 7 or 8 feet. Spend extra on the one painting rather that getting 3 or 4 like you had before.

Your new room is already looking fabulous!

Enough square corners in the room. Round end tables would be my suggestions and the lamp style and shade is a bit too traditional now for the room.

You should be able to find ready made pillows that you can experiment with. Don't lock in the pillows that you would have to have made until you're sure.

Personally I hate rugs over rugs. Thin rugs over sisal is different. What's wrong with being subtle? I wouldn't do strongly patterned draperies.

Regarding decor ideas for your room....A big bold painting brings serious flair, and can instantly change the vibe of any space. Whether hung above a fireplace,sofa, or elsewhere in the room, a painting can create a focal point with impact and add both color and dimension.

Pick up a few of its colors in accessories, like pillows, to highlight the piece even more.

Just play a little with your wall you might like......to know more about my Art work and collections please visit my shop on Etsy website -

https://www.etsy.com/shop/PooviArtGallery?ref=pr_shop_more

Oh, damn, the chair even has a geometric pattern on the frame. Since they are the immovable objects here, let me play with the rest. Stay tuned.

Adrienne - I think white sheers would look fabulous on the lower windows including large one to side. I think an area rug would be too much. Keep the palette light. Here are my favorite colors - which I think would look exquisite in your room.

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I think your best bet on curtains is going to be a plain linen slightly lighter than your walls. I've given you three different looks, one monochromatic, two with the teal and yellow palette you've chosen. (Don't look too closely at the chair. I had to upholster it myself so it may be a little ragged, but it should be close.)

Correction: the teal and yellow palette your decorator chose. BTW, there is a big difference between a decorator and designer. Designers have certification and a degree, generally work with architects, and understand principles of functionality and aesthetics. Decorators may or may not have these skills. Yours seems to have missed the course on combining patterns. ;-)

And without a rug:

Here are some examples so you get the idea. Of course, size would have to fit your space, but that is easy to figure out. Just make ottoman a bit smaller than width of your sofa, but keep it as big as you can so it provides that "grounding". Then find a table that will fit over it that you like for the "coffee table" part. Takes a little doing, but would fit this space perfectly. I would do higher, bigger end tables as well. All these elements will ground your space, then the large art over the sofa between the windows finishes look. I agree, keep geometrics to minimum. Maybe in pillows or what you already ordered. Get that in and then decide how much more "pattern" you need.

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I agree, you need some round choices and be careful choosing painting as drapes must be accounted for.

I also agree that a coffee table will help. Please don't clutter with a bunch of accessories.

What does the other side of the room look like. If you get a rug, it can't be a pattern. I do think the drapes might work with the chair, but it is hard to know, especially without the chair.

i agree with the rug and can i play when you do pillows?

Totally agree with Flo about the chair. Try moving it directly across from the sofa.

I'm also not crazy about the color in those niches. Consider painting them out the same color as the surrounding wall, then putting a console in front with a smaller vertical mirror or art and perhaps a couple of lamps.

No to these curtains with this chair.

Dimensions would really help! Thanks.

Here is a picture from our portfolio that might help you along in your dilemma. Notice the rug and artwork.

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def high curtains! white and beige would do the trick!