As above really. We replaced the back boiler with a new combi so I'm not talking about a woodburner with backboiler, just putting one in to heat the room and look nice. I really don't want to brick up fireplace! Would an open fire be easier? I know I'll need to get someone round to check out the flue situation, but it would be good to hear anecdotal reports from people who have ripped out a gas fire/back boiler and put something else in its place.