I`m in a 1920s built ex-council house, and the walls upstairs are made of what appears to be compressed ash, I intend on removing the old plaster and having it re-plastered, the previous owners had it done and it failed as the original plaster is gone, so they decided to stick horrendous wallpaper over it to try to cover it.

I'm wondering if me knocking the plaster off the wall would cause it to crumble and fall, as the suff seems to fall apart at the sight of a screw.

I'm also wondering how I would find out if this wall is bearing any load for the attic and/or roof, I dont want everything falling in.

Lastly, if it is load bearing, and removing the plaster would cause more damage to the wall, is it possible to have it jacked up with strong boys and replaced with modern blocks?

If it helps, the wall that was directly below it was at some point removed and an RSJ is in its place, so the wall below it was load bearing.

Any help is greatly appreciated, and if I need professional advice, if someone could tell me what I'm looking for (I.e. builder, architect, surveyor etc) that would also be a massive help!

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