Installing a TV above a fireplace is one of those things you either love or hate. I can understand why people choose to do it — it puts your TV in a central spot for viewing, and it's a good use of your living room's real estate.
There are practical considerations to take into account, however, it really comes down to style. After all, if you put time, effort, and money into a great fireplace design, do you really want to put a big black square in the middle. Livingetc's editor Hugh Metcalf says his one rule for his home is that he'll never put a TV over the fireplace, but what do interior designers think?
