Fireplace and horizontal installation of the chimney pipe

For my complete renovation (built in '61) including an extension, I have the following problem: The chimney (stove; masonry) is supposed to be about 2.9m away from the flue (external; stainless steel). This was suggested to us by the chimney sweep. The stove installer has now allegedly calculated that the vertical draft may only be a maximum of 1m long. Does anyone have such a configuration and can say something from practical experience?
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Can the oven not be placed closer to the chimney, or is it not allowed or desired?

I just wanted the living room (downstairs) to be somewhat separated from the kitchen/Dining area after all

Hi,
if I’m seeing this correctly, the chimney should be at the yellow circle? Then I would move the stove (blue box) to the wall and take one of those cool fireplaces through which you can look and heat from both sides.

That way, you won’t have that big dead corner anymore and can turn the table by 90 degrees.
When such a stove is on, you can’t sit directly in front of it, even at 2 m distance you still need a sauna towel...

Best regards,

Andreas

Attached is the entire ground floor (still in draft; measurements may vary slightly)

Yes, the yellow circle represents the external chimney. If I place the fireplace where you have marked it in blue, I would lose the possibility of properly placing a cabinet against that wall in the living room. Wouldn't the fireplace then also be too close to the sofa? (because of the heat)

What do you mean by "dead corner"?

Hi,
by "dead corner" I mean this connecting passage between the dining and living rooms. The rooms are very separated because of that and look fragmented. I wouldn’t do it that way without a good reason. And cupboards.... the classic living room wall unit went out of fashion back in the 90s, is it back now? ;-)

If the fireplace is moved to the right, the former passage would be suitable as a space for a large corner shelf. But that’s really a matter of taste, there’s no "right" or "wrong" about it. You have to feel comfortable with it and nobody else!

Best regards,

Andreas