This oak door belonging to Westminster Abbey, London; England. It is the oldest and only Anglo-Saxon door in Great Britain. The door has been standing for over 950 years, dating back to the reign of Edward the Confessor during the 1050s CE.
The door was made from a single oak tree from eastern England in medieval times. The oak piece has 5 main boards, connected by iron strips and wooden beams, and is approximately 2m high.
https://bsky.app/profile/archaeohistories.bsky.social/post/3mauxmgyq2s2g
It most certainly is.
Wood can rot and disintegrate, but with appropriate impregnation it can remain perfectly fine for hundreds of years.
Thats impressive!