Hello!

I am wondering if any experts can offer some tips & tricks.

We are renovating an old house from 1937, built with brick, almost square in shape, and it's 2.5 floors (the second floor has flat ceilings).

I like rooms with extra high ceilings and am therefore considering making the living room extra tall by removing the floor in the corresponding part on the second floor. This will give me a height of about 6 meters (3+3). The living room is 4x5 meters, and the room on the second floor is the same size.

From what I understand, it shouldn't be impossible. How sensitive is it really to remove 1/5 of the second floor?

How great is the risk that the outer wall of the living room could buckle since the wooden joists no longer support it?

Are there simple solutions that can be used, such as steel profiles, to reinforce the outer wall?

Blueprint layout of a 2.5-story 1937 brick house with highlighted sections, including potential removal for a 6-meter high living room.
 
I don't think you can do that with good results in such a limited space. It will be perceived as a shaft. Since it is a plank house, the joists are interwoven with the outer walls. You only become really sure of the consequences of a removed joist once it is done.
 
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BirgitS
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Hello Justus, Do you mean that it won't look nice because the space is too small? And that I won't be able to see how secure it is until I remove the floor? What other instability can be expected when removing part of the floor structure in this context, besides possible buckling of the outer wall?

By the way, the floor joists are placed vertically if you look at the drawing.
 
A room needs to be like a cube for one to appreciate the high ceiling. In your case, it will be experienced more like an elevator shaft. Unfortunately, I think the house is too small for your ambitions in this regard. I myself have a room with three meters to the ceiling, achieved by an extension with a lower floor level than the rest of the house. Perhaps it can be a model for you? The floor joists in the intermediate floor are inserted into the outer wall and help stabilize. If you remove the joists, they must be replaced in another way. It can be difficult to see where to do this best before the walls are exposed. Don’t misunderstand me. High ceilings add a lot when they have the space they need.
 
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hempularen
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Staffans2000
My extension of 3x6 meters has a maximum ceiling height of 3.6 meters. It doesn't look at all like the elevator shaft I was afraid it would be perceived as. But 6 meters?

You can install an inner ceiling at any height you like!
 
Why not move up the floor structure so the ceiling height becomes just right. Then you'll have a room with a lower ceiling height on top. I don't know what it could be used for? Storage? Sleeping loft?
 
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