Regarding a), it very much depends on how they are built. Little Moreton Hall has been standing since 1504, subsequent restorations required no changes to the t

Regarding a), it very much depends on how they are built. Little Moreton Hall has been standing since 1504, subsequent restorations required no changes to the timber structure. Isn't it beautiful? Although I suspect it is definitely subject to point b)! https://en.wikipedia.org/wiki/Little_Moreton_Hall#/media/File:LittleMoretonHall.jpg https://en.wikipedia.org/wiki/Little_Moreton_Hall#/media/Fil...