There’s bound to be someone in the know on the forum and was wondering if they could confirm a quick question?

The wife wants a log burner in the lounge at either point A or B however as you can see there are velux windows in the 3rd floor which is the boys bedroom.
There are also windows the other side of the chimney that would be at point B.

I’ve searched the net and unable to find if this would be possible due to the window openings?
My gut feeling is that it wouldn’t be possible as as far as I can see gases could, if in the right direction enter through the window. My wife however doesn’t seem to think that’s a problem.

Your help is much appreciated
FFF

Sorry for the awful pic.