 | Eighteenth Century | |
| 1741 | Destruction | The Medway canalised. Stone from the towers, walls and keep sold by Hooker to build bridges and locks. |
| 1775 | New Bridge | The Great Bridge rebuilt on old foundations. |
| 1780 | Vineyard | The castle described as "ancient castle and vineyard" |
| 1782 | Destruction | Castle continues to be used by Thomas Hooker as a standing quarry. The remains of the shell keep pulled down out of curiosity.. |
| 1791 | Mansion built | Thomas Hooker, John's son, builds mansion, now accommodating council offices onto Gatehouse |
