I think you are off to a great start....do not worry about the window coverings for now.....go ahead and finish the room and at that point the windows might be fine, or not, but when the room is 'done', the you can see how your proportions look in the whole setting.....so far so good.....but I think the treatment over the large slider can have some more squares and you might consider repeating the same squares over the other window.....so they relate and look more cohesive.....the wire rectangle is too small and does not work with all the straight lines in the room....add the mirrors take a picture and see if you like it....it things are not done in a way that it relates or goes with something else in the room, the room can end up looking like a showroom floor instead of a living space...your windows look similar, your sofa and love seat relate, the dining chairs form a unit but their lines work with the sofa and love seat, and the dark woods help bring the room together......just my opinion.

A huge room needs weight heavy basics with fill ins of slightly small items...

One option would be to install sheer linen curtains to soften the look and visually raise the ceiling. Hang them on iron rods at the height of the wall decor, and have them stack back so that they do not cover any of the glass. Make sure they are full enough to look like they can close, but you don't have to close them. This will add to your wall but not detract from the lanai.

PS I forgot to say I really like the treatment over the large slider a lot....good job.

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I'm not a fan of the elements over the sliders. I find them distracting for no reason. I like Diana Bier's idea of linen curtains to frame the slider openings. On my monitor, your walls could use some colour but I'd try the soft linen panels before even thinking of repainting a room. :)

IMO those woven blinds are way too heavy for the space and I think drapery in a nice linen would have been a much nicer choice with no blinds and a nice color on the walls would be great it does not have to be really in your face but a nice soft gray/ green like healing aloe BM would be great. Art needs to hung where you can enjoy it and those shelves in the DR look very cluttered too. You need more lighting in the LR from what I see too

Thanks all for your input! The wall on the left is painted greige. Maybe will carry that onto the slider wall. I was thinking of moldings, wood cornice also. After rugs, lighting etc are added will consider panels.

Please, whatever you decide to do, add color..the few pieces above the sliders have no color, so consider adding some art works ( not clocks either with pattern and color.) . Add lighting: floor lamps or table lamps. how about some pillows, not brown or gray but color and pattern.

I have designed a solution for a very similar room. I ended up adding cornice boards that are wrapped in fabric with a decorative trim and welt on all 4 sides. They were fabricated to be wider than the doors and hung just below the tops of the doors. This added height to the window treatments/doors and gave it a finished look. I am not a fan of the decorative elements you have tried above the doors.

Sorry for my ignorance but what are "woven woods"? Are they some kind of vertical sliding shade? Is it called by any other name?

Really pretty space, whatever way to go will work!

The room is missing color, any color. The entire room is beige.

What groveraxle said but also switch out the current fan, get a white fan and add color in the decor. The space looks very simple chic and lends itself well to that sort of decor.

"Woven Woods" is a name given to natural material shades. They are made of grasses, wood, bamboo, etc. They can be used by themselves or in conjunction with a fabric curtain panel or valance. Most window treatment companies offer them--Hunter Douglas, Levolor, Horizons, etc. Here's a photo:

Natural / Woven Wood Shades · More Info

wow thank you groveraxle and everyone for input-amazing! Tend to like neutrals so didn't realize how much a bit of color can transform the space. Since I am visual, have a bit of trouble envisioning things unless actually seen. I had a neutral rug in mind (grey/beige/cream)- would love input if not a good decision or if it will work? Thanks again!

Ack. Finpla, just say no to that rug. When I look at your room, I see an unrelieved sea of beige. You can do all neutrals, but you have to have some contrast somewhere. Some texture, a bit of black will help relieve the blahs.

Wrought Studio Bigham Cream/Black Area Rug | Wayfair.ca · More Info

Your room will look better without decor items above the doors. Decorate the area where people live, i.e. at eye level and below. Don't make the eye zig zag up and down around the room. In addition to the great addition of color, that's the other reason that groveraxle's rendition looks better.

Thanks again so much for the input- and saving me on a bad rug choice :-) . Cant quite see the black and white rug but understand the point so can keep it in mind. The pops of orange/terracotta are beautiful to use with all the other advice. Appreciate everyone's input!

Decorate where the people live; below the window and door frames. When you do that right, the eyes don't notice space higher than 8-9 fee. And don't corner furniture. It makes you lose square footage and screams that you really don't have room for you stuff.