One thing I would like to add.
It is best to get the correct size wood burner for the room, possibly 1 kw over if you like.
I have an average size living room and my 5 kw burner will easily take the room up to 24 deg with the two adjoining doors open, leading upstairs and onto a large kitchen.
One thing they struggle with is spreading heat through doors and around a house, so the room the burner is in gets very hot.
If you go for too big a wood burner, you may struggle to share the room with it, as they only run efficiently when up to a certain temperature. So the option of having a half f