During this time the stable block and other buildings were constructed in the grounds.
The main block was constructed about 1785, and the house achieved its final form by about 1805.
In 1983 a completely new block was designed and constructed for patient's reception.
The main block was constructed in 1754, with the two wings added and enlarged about 1852.
In 1955, four residential blocks were constructed at the School.
A stable block was constructed to the west of the structure and cottages built for staff.
Shortly afterwards, the northern block was constructed, doubling the size of the house.
In 1976 a new block was constructed comprising general classrooms, science laboratories and art rooms.
A new block of 16 classrooms was constructed at the new site.
A stable block was constructed on the site at some point before 1700.
