Only the western wall and two towers now survive.
On average, the walls only survive to a few metres.
During the collapse in 15th century the northern wall survived the best.
One wall of the house survived a disastrous fire in 1879, and the rest was rebuilt.
It was demolished in 1934, though some ruined walls survive.
The walls survive to heights of up to 3 metres.
Some archeological remains have been found, however not a single wall survives.
The walls of some smaller cities and towns have survived more or less intact.
The south range is ruinous but the walls mainly survive.
In 1982, it was destroyed by a fire and only the outer walls survived.