ᐅ Is it possible to split a 40m² apartment into two separate units?
Created on: 10 Jul 2019 09:47
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Gianni007
Dear Forum,
I am considering dividing my father’s apartment into two separate living units. The goal is to have one part available for personal use and to rent out the other part (for example, to a student, via Airbnb, etc.). Ideally, both units should have their own bathroom including a toilet and a small kitchenette. I understand that this will involve significant construction work, especially since the floor plan (see attachment) may not be ideal for this purpose. Primarily, I want to find out whether it is even feasible to separate the space in terms of structure and plumbing, and if so, how it could be done.
I would appreciate any feedback and am open to all ideas!
Thank you very much and best regards from Vienna!
I am considering dividing my father’s apartment into two separate living units. The goal is to have one part available for personal use and to rent out the other part (for example, to a student, via Airbnb, etc.). Ideally, both units should have their own bathroom including a toilet and a small kitchenette. I understand that this will involve significant construction work, especially since the floor plan (see attachment) may not be ideal for this purpose. Primarily, I want to find out whether it is even feasible to separate the space in terms of structure and plumbing, and if so, how it could be done.
I would appreciate any feedback and am open to all ideas!
Thank you very much and best regards from Vienna!
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Gianni00716 Jul 2019 15:26Oh, sorry, I forgot to mention or mark this... The kitchen (a small kitchenette) should basically be placed where the bathtub is now. This way, there would be approximately two rooms of equal size.
The room with the kitchen could then be rented out (for example, to a student). The other room should simply be available for free use. Of course, it’s also possible that we end up renting out the entire apartment as an open plan. What’s important to us is to have two separate rooms with their own entrances. The idea of two separate residential units (each with a bathroom and kitchenette) is, as already mentioned, not really feasible.
Attached is the drawing with the kitchen.

The room with the kitchen could then be rented out (for example, to a student). The other room should simply be available for free use. Of course, it’s also possible that we end up renting out the entire apartment as an open plan. What’s important to us is to have two separate rooms with their own entrances. The idea of two separate residential units (each with a bathroom and kitchenette) is, as already mentioned, not really feasible.
Attached is the drawing with the kitchen.
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nordanney16 Jul 2019 15:53... I see Vienna as the building location and yet I clearly hear the train called Airbnb rushing by...
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Gianni00716 Jul 2019 16:36Maria16 schrieb:
First, figure out what you really want, and then clarify what is legally possible and allowed by the homeowners’ association. Renting out two separate rooms when only one has a kitchen—if I were a tenant without a kitchen, I wouldn’t be happy about that. In my last message, I already mentioned that if renting out, only the room with the kitchen would be rented (for example, to an exchange student), while the other room would remain free for the owner’s use.
To avoid issues with the homeowners’ association, technical feasibility, etc., I was thinking of simply reducing the size of the bathroom to enlarge the kitchen area and design it as an open-plan kitchen/living space.
Airbnb was just an additional option for vacancies, etc. I really don’t understand why there has to be such a negative reaction right away.
Maria16 schrieb:
@nordanney I suspected this from the beginning, which is why I barely commented here anymore. But honestly, given how the original poster behaves and almost refuses to think things through, hopefully nothing will come of this anyway. I don’t understand how I’m supposedly refusing to think here? I had an idea, it was rejected, I accepted that and posted a counterproposal. Anyway, if someone doesn’t like this thread, they don’t have to respond!
I will discuss everything with a professional next week. Thanks for your input. The thread can be closed.
Well, to put it simply, that’s just a crazy idea.
40m² (430 sq ft) is already very small, and trying to create a second living unit is simply nonsense and most likely not legally feasible.
Separating a second room is more doable, but in my opinion hardly practical.
Moving the bathroom and kitchen just like that will also be difficult, as there are probably pipes inside the wall.
40m² (430 sq ft) is already very small, and trying to create a second living unit is simply nonsense and most likely not legally feasible.
Separating a second room is more doable, but in my opinion hardly practical.
Moving the bathroom and kitchen just like that will also be difficult, as there are probably pipes inside the wall.
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