Archaeological monitoring and recording during small scale infrastructure works in five separate areas within the grounds of Dunster Castle, Dunster, Somerset. Works were carried out by AC archaeology between January and March 2018. Dunster Castle is a medieval castle come country home/mansion and protected as a Scheduled Monument (No. 33039). Monitored works comprised the replacement of two sets of steps within the gardens to the northeast of Dunster Castle, the excavation of three pipe location test pits and a trench for a lightning rod located on its South Terrace. The groundworks associated with the installation of an electric gate on the vehicular access drive was also monitored. The works exposed modern made ground and soil layers in all of the areas monitored.