Houzz is the new way to design your home.
more modern knobs
Great modern light
Great ceiling treatment
Very modern look - not sure if I like the blue with the oak.
Just paint the rails white? Or black? Iron?
Maybe redo the fireplace surround? Cheap and a great update
Floors just like yours!
Wood on the living room valuted ceiling would be amazing.
Remove all the curtains! You could get solar film on the high windows.
New cabinet doors that are a little more contemporary? Shaker style like this is clean.