Further structures in the grounds have heritage protection including the follies of a Tuscan architecture temple and a partially stone-faced bridge, both designed by Henry Holland.
The house was stone-clad, ashlar-laid, in 1796 by employment of Henry Holland who moved the entrance to the north, constructed colonnaded loggias to the south and built the eastern "service wing".
[1] The stable block designed by Henry Holland, separately listed adjoins constructed as part of the remodelling of the house in the late 1790s using white brick and slated mansard roof.
[1] A raised mound marks the site of the earlier house 400m north-east of the replacement and close north-west to Southill parish church, within The Menagerie woodland; it was demolished c.
This has an island towards the south end, and at the north bank its discharging stream is covered by Smeaton's Bridge designed by Henry Holland — a red brick arch and abutments with a decorative stone-faced park-facing side.
The setting is largely agricultural and wooded with the village of Southill adjacent to the east, the hamlet of Ireland to the west, and the designed landscapes of Chicksands Priory...3km to the south-west, and Old Warden Park...adjacent to the north.The garden is listed by statutory body Historic England for special historic interest in the slightly enhanced category (Grade II*)[8] The parkland is part of a Site of Special Scientific Interest, Southill Lake and Woods.