Add two bookshelves on either side and use them to add decor (not just books!). Get rid of the fireplace, it is way too small for that space. Add a short longer console underneath the tv. I don't know what is on the other wall, but I would move the long couch to the other side and add artwork above that. Add drapery to the window.

I would put your tv on a console across from the windows. Plants, curtains, art over fireplace and fill the corner with a chair and table. Some ideas

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Thank you for the great feedback. We did go ahead and get some custom cellular shades and are in the process of adding crown moulding in the room and head treatments over the window. Not sure I want to cover it with curtains but still an idea. I didn’t mention before, but the right side is open to the hallway and stair case. I did get measured for custom cabinetry and shelves on the main wall with the tv. In the meantime I did add some additional decor...ordered a chair for the corner. I appreciate all the food feedback.