Crown moulding added beneath a custom-cut enlarged window sill.
modern looking heater cover? Loft Town by Indrė Sunklodienė of Interjero Architektė (InArch)
I made wood window sills for my home shortly after I moved in. They still look absolutely great and require only a little swipe with Pledge.
Clean window sill: A few magazines/books, plants & candles
Gorgeous wood lined window sill with silver potted orchid and perfume bottles.