An archaeological excavation was carried out in 2009 following earlier evaluation in 2006.

The excavation recorded a number of structures that relate to the manor house
complex that occupied the site from at least the 16th century to its demolition in the
1950’s.

Two walls, a floor and a cellar, all observed in Trench 101, at Former Halstead Place School, located north west of Halstead. One of the walls is a short section of wall formed of the earliest brick fabric 1400-1700 and is of north south orientation. The other wall and floor are a flint-built structure and both wall and floor date to around 1850-1950. There is a robbed cut which suggest a wall once ran east west forming a cellar beyond the limit of excavation. Pottery dating between 1770-1830 was found in the construction cut but no trace of the wall survives. The cellar is the final structure like feature in Trench 101, built in yellow stock brick dating to 1820-1950, it is found in the middle of Trench 101. It is thought at one time there was a brick staircase allowing access to the south. A well lined with frogged bricks was observed in Trench 101. It dates to 1850-1950 and truncates the floor of the earlier flint-built structure.(1)

<1> Pre-Construct Archaeology, 2009, Assessment of an Archaeological Excavation of Land at Former Halstead Place School, Halstead, Sevenoaks, Kent (Unpublished document). SKE17056.