I like the way they did this harth and the color painted behind the stove. I also like the wood beams framing the stove in. Maybe have similar framing and the make a gate around the stove out of the same wood.
Like the idea of having the bench on one side of the fireplace for extra seating. Would need to leave space for sliding door on wall Gas fireplace / built-in / contemporary / closed hearth FAIRO ECO-LINE 80 Kal-fire