Hey everyone!

I have recently purchased a house built by Svenska Trähus and am thinking of expanding the attic by moving out the slanted walls. My partner and I are Spanish and are not used to wooden structures, so we are unsure of what is actually load-bearing and what is not.

I have attached some pictures of the back of the wall where I have removed several boards to be able to see what is behind. In my own opinion, the construction does not appear to be load-bearing – it looks more like a wall module with insulation.

What I have noticed, however, is that approximately every 1.5 meters there is a gap (marked in red). It is not ventilation, as there is no opening towards the ceiling (I have checked and it is blocked there). I also see that these gaps are in line with what appears to be a load-bearing element in the ceiling (also marked in red).

My question is:

Are these slanted walls likely load-bearing, or is it realistic to move them to get more space in the attic?

As additional information: the house was built by Svenska Trähus, a Swedish wooden house company.

Thanks in advance for all your help!
 
  • Exposed wooden wall structure with visible insulation, showing a gap between panels and a wooden beam in an attic under renovation.
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  • Inside view of a wall with insulation exposed, wooden beams, and gaps, illuminated by flashlight, possibly in an attic space of a wooden house.
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  • Insulation material behind wooden boards in an attic, showing a gap marked in red for potential load-bearing analysis.
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  • Interior view of attic slanted wall with insulation and wood shavings, showcasing construction materials and an uncovered section exposing structure details.
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  • Close-up of wooden attic construction with exposed insulation and shavings, showing a gap between boards; context of planning an attic expansion.
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  • Insida av en vind med träväggar och golv, där en sektion av väggen har öppnats. En röd cirkel markerar ett misstänkt bärande element.
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  • Wooden attic wall with a circled gap, suggesting potential load-bearing elements. Visible boards and structure from a house by Svenska Trähus.
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Hi,

Easier to tell if you have old drawings. You can check with "kommunen" for what they have in their archives (some have it available online for you to search yourself and some will search for you).

But it could be load bearing, here is common constructions for roof trusses in Sweden https://www.byggahus.se/bygga/takstolar-ditt-tak
 
O o1aEtqFW8W4HLAV skrev:
Hi,

Easier to tell if you have old drawings. You can check with "kommunen" for what they have in their archives (some have it available online for you to search yourself and some will search for you).

But it could be load bearing, here is common constructions for roof trusses in Sweden [länk]
Hello, thanks for the answer.

This is the only clear drawing that I have.
 
  • Byggnadsritningar över ett tvåvåningshus med planlösning för bottenplan, överplan och sektioner.
A Alberto P. skrev:
Hello, thanks for the answer.

This is the only clear drawing that I have.
To me it looks like a "ramverkstakstol". That the two walls within the red circle are load bearing
Tvärsnitt av ett hus med ramverkstakstol, där två väggar inom röda cirklar är markerade som bärande delar av konstruktionen.

I wouldn't do anything to them without having someone with knowledge look at it IRL to see what's possible. It can be fairly small dimensions on the timber. But they are still part of the load bearing structure.
 
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I would be very surprised if those walls aren't load bearing. That would go against everything normal and ordinary.
However anything is theoretically possible in a prefabricated building.
 
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Thank you both for your answers and also for replying in English. That is really kind from you.

I am already contacting companies for doing this job. Let's see what is the final conclusion.
 
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