Installation shaft and chimney shaft in one?

the chimney outlet is at least 40 cm above the roof ridge or at least 230 cm away from the roof surface in horizontal distance.

If you do not understand the consequence in your text, then look at your pictures ;-)

Maybe there is a chimney builder in the forum who can say whether an installation shaft immediately next to the chimney shaft is feasible

The flue gas will not prevent you from drawing cold water in the bathroom. And you can safely add Ethernet cables to the installation shaft—whether copper or fiber optic.

After reading along for two or three weekends, your questions and ideas should be decidedly less naive by now—therefore I recommended this approach, which has already helped thousands of others.

Then it's about time, before a layman sets unconsidered installation spaces without professional knowledge or experience. A forum can't help you with details either. Here, extensive, time-consuming considerations are based on a layman's plan, which probably won't be executed that way.

If you read my first post, the resulting detailed question comes from the fact that we are considering planning the bathroom above the living room, so as not to have to give up the home office room and at the same time have the children's rooms located in the west. Therefore, it is more than justified to inquire at this point whether an installation shaft can be placed there ;) If that is not possible, then we will timely consider another plan. But if it is possible and we receive positive feedback here, why not use the forum?

planning the bathroom above the living room in order not to have to do without the home office room

Just trying to comprehend this (alleged?) causality alone from an upper floor floor plan borders on the limit of reasonableness for advice from the community. If even Yvonne and myself, truly not inexperienced members here, have trouble coping with your puzzle pieces of questioning, that should give you something to think about - but apparently it does not. To want to start the design methodology only shortly before the result is already nonsense - and to extend this to the design discussion even more so. If several members still try to remain patient, it is only luck and not merit ;-)

Just trying to understand this (alleged ?) causality from an OG floor plan alone already borders on the limit of what can reasonably be expected from advice by the community. If even Yvonne and myself, truly not inexperienced members here, struggle inadequately with your question puzzle pieces, that should make you think – but apparently it does not. Trying to get into the design methodology only shortly before the result is already a mess – extending this to the design discussion is all the more so. If several members still try to remain patient, that is just luck and not a merit ;-)

I can understand what you are writing. When everyone here opens threads without any research at all, that is very tedious. But this constant "condescending attitude" and immediately dismissing questions from laypeople as naive I simply find unhelpful, if not outright impudent. Better not answer at all than portray people as dumb or, even worse, to consistently give them a negative feeling. Take a look from the very first minute at what kind of tone you used throughout this entire thread, then I hope (provided you have a hint of self-reflection) that you can also understand my words here. I have very much done research and can show you a thread that already addressed my question. Writing directly that the design can be thrown into the trash is easy ;) The whole planning is a process, and on the way to the final floor plan, fundamental questions (Does the bathroom overlap with the living space or chimney shaft) also belong.

Take a look from the very first minute at the tone with which you have responded throughout this whole thread,

I think the solution is the trash bin and roll the dice again

What is wrong with the tone there? - that is experienced advice, nothing more. I can very quickly tell from a floor plan if it is a dead horse. Only a cynic would have encouraged you at this point to "refine" this plan. The trash bin is a friend and a helper in mourning when a plan is a dead end, and crumpling up this plan clears a path. No one is counting how OFTEN you roll the dice here - but we rejoice with anyone who then rolls three sixes. The shaft itself is wasted palliative care. You are still thwarting your chance of a push in the right direction by reporting the ground floor only partially and only verbally. We probably would have long ago found where you could untie the knot there. Because you cannot heal a wrong turn on the OTHER floor. If you prefer to whine, that is not MY fault.

The installation shaft next to the chimney is not a problem. We did it that way as well. On the other side of the chimney, add a warm air shaft to the upper floor so that the convection heat from the stove does not all move into the living area. The installation shaft goes from the basement to the attic, is accessible on every floor, and houses various utilities like photovoltaic electricity, speaker cables, heating control, etc. The larger shaft goes only from the basement to the ceiling of the ground floor and primarily contains the controlled residential ventilation for the ground and upper floors.


Apart from the fact that I prefer rather rectangular floor plans with a gabled roof and lots of photovoltaics, I consider your floor plan to be highly improvable. The solution with the two small bathrooms is just botched. Make a proper bathroom out of it and place it above the kitchen or by the chimney shaft. Whether children’s rooms need 19 m² is also debatable. We kept ours at 15.5 m² and instead placed a central family room.
The suboptimal placement of the chimney at the eaves has already been mentioned. Visually, it is not exactly a treat.