While we are adding insulation to our wooden house from 1929, we are now considering the placement of window depth. The image below describes the existing window depths.
Illustration of a cross-section of a house wall with insulation layers and a window showing depth positioning for renovation planning.
Inside
Illustration of a window with vertical paneling and brown frames, showing possible depth and positioning for insulation in a 1929 wooden house renovation.
Outside

We will be adding 2x45mm insulation inside and 45mm outside, which gives the following solution.
3D rendering showing window placement and wall insulation layers on a 1929 wooden house's cross-section.
Inside
Cross-section diagram of a 1929 wooden house wall showing planned window depth and insulation layers with potential interior beveling solution.
Outside

This will result in the following wall depth.
Diagram showing window depth placement and dimensions for insulation in an old wooden house. Various measurements are labeled, illustrating interior and exterior changes.

Is there a carpenter who can recommend the placement of window depth and a solution for the inside to avoid having narrow windows? A 45-degree beveling of the inside could perhaps be a solution? But how does one place the moldings, etc., so that it looks acceptable?

Johan
 
Adding a couple of example images of the faceting I am referring to.
Illustration of a window frame with bevelled edges, showcasing the specific faceting being discussed in the building renovation forum. Illustration of a window with fasett frame design, showing angled edges and varying shades of gray.
 
Trying to push my own thread, is there really no one who dares to speak out or discuss the topic?
 
I have somewhat thicker walls than you and haven't bothered with any slanted reveals. It probably depends on the size of the windows, but as much as 45 degrees feels too much to me.
 
It is usually said that the windows should be in the warm part of the wall?
In other words, where the insulation ends so to speak.
Does it look good today and you are going to add 45mm, then move the windows accordingly so it's like before?
Seen from the outside then.

I can't see any problems on the inside?
I would personally like to have half-meter deep window sills for the plants :)
 
Thanks for the link Vante, there was a lot to read in the journal "Windows, history and advice for renovation” which was another link found in the text you linked to.
Mattiaz, yes 45 feels excessive and is the reason I chose to post the question here.
Blindnit, today the windows from the late 70s look like dead eyes because they are slightly smaller than period-appropriate ones and are set 100mm in from the facade. If the windows had been larger, there would have been no problems; it is precisely the combination of small windows and large wall thickness in a wooden house that complicates the choice.
 
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