Until around 1890 the ruins were quite stable, but by 1918 levelling of the ground for the garden of a new house had undercut the foundations, causing the collapse of the turret stairway and the entrance arch, and much other damage.
Until approximately 1890, the structure was secure, but by 1918, the process of preparing the ground for a new home's garden had undermined the foundation, resulting in the collapse of the turret staircase and entrance arch, along with other damage.