You want to hide wiring? Is it in conduit or armored cable? Exposed wiring is illegal in the US...sounds like you are in another country? So if getting the wires behind the wall can't happen, putting it in extruded metal tubing (EMT or conduit) is a safer option. Then embrace the necessity and go for a hi-tech/industrial look. Reclaimed and re-imagined furnishings and parts from factories and workshops to play up the look. Search "industrial" under the "browse rooms" tab in the Houzz header. Regarding hiding switches...hiding them is not so great...you kind of want them accessible when stumbling about in the dark! The EMT electrical system has metal boxes for mounting switches, outlets and light fixtures. And metal cover plates too.

Have you search in the "professional" section?

two basic issues your room floor is dull is that floor to floor carpet if yes then add a a smaller area rug under your table to get splash of colour, alternatively if you dont want to do that then add some colorful wallpaper behind the sofa. Where you have the table lamp add something taller like a modern floor lamp or a tall spread out palm plant. Take the table lamp and add to a side table if you have one. The second biggest issue is that you have a lovely modern sectional sofa and then you have paired it with a very traditional and very high coffee table that looks like it has marble inlay work done (cant make out clearly). This is not a good pairing. The coffee table is the right size but get something modern and a lot lower, a general guide to this would be one inch to 2 inches lower than the seating height of the sofa. As someone else mentioned an Ottoman that can serve as a coffee table in an alternate colour will also work. Paintings and wall art is something you can experiment with but unless you do something about the coffee table the room will continue to look odd in my opinion. Also some more shots of the room will help us get perspective.

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