You have very high walls so I would do a tall wainscot on the walls to create some warmth and decoration at the same time. Take everything off the walls and remove all the small little shelfs and decorations, leave only the big furniture. Then start over with the wall decor. Need some bold statements to create some balance and interest but not clutter. Add some larger shelves if you need shelves, something hefty and interesting. It's hard to see wall color and how it works with the upholstery. Do you need all that furniture in the space? I would thin it out. Remove one of the sofas and place the chairs across from the other one. Open up the space in front of the window. Add a sofa table behind a sofa along the wall and decorate it with a couple large vintage style lamps with some accent color (pull a color from the rug that you like) on each end and tablescape the middle of the table. Add a huge mirror above Bring that same accent color into the space with some bookshelf decor but not cluttery. I am not a fan of the drapes; something more neutral in a grommet panel style that can easily be opened. Hang them at the ceiling. They will look really nice because they create nice gentle folds if the fabric is a bit heavy for weight. Good luck [houzz=] [houzz=] [houzz=] [houzz=] [houzz=] [houzz=] [houzz=] [houzz=] [houzz=] [houzz=] [houzz=] [houzz=]

I agree with divadeva. More lights. If you can add pot lights do it. If they're already there add task lighting and up the wattage on the bulbs on the pot lights (replace with LED and you can make them brighter because the wattage on LED is lower for brighter light). If you have all of that add decorative lighting. If ventilation is an issue find a way to move the air around or add air filtration. Maybe the HVAC is deficient. Maybe you can add a HEPA filter instead of the standard one that comes with the unit. Call an HVAC specialist to see if there is a way to boost air flow in the room.

The energy efficient bulbs shown in the above photo suck the light is awful and they butn out quite often, if you want real energy savings go with LEDs they come in warm or cool light and you probably never have to chang a bulb as long as you live. They come in all kinds of wattages and can be retrofitted in almost any fixture.

What is the dimension of your bathroom? Looks like 4 feet wide, can't make out on length though. Glass partition or tiles partition for shower would help to keep your bathroom clean and dry and revamp look drastically. Wall hung WC is must, again from cleaning and look perspective. If window is not providing any light ( though your photo suggests some light coming from window) this area can also be used for multipurpose. You are welcome for more queries. Tiles selection can be decided based on a theme as well.