wall plate gets attached firmly to the facade with (chemical) anchors. if the walls are in bad shape as well, a so-called ring beam is cast in concrete.
replace or renew the roof partially?
in the best case scenario, nothing is wrong with the roof construction and it is enough to renew only the roofing. in general, roof tiles last for ten to fifteen years before they have to be replaced.
is there no inner roof? then it would be wise to still have this assembled. not only does this save energy, it also protects the roof against moisture.
if the roof construction has been affected but the roofing is still in good condition, 