It was built by the mason William Smith, and in 1705 the Satyr Gate was added, designed by Samuel Carpenter.
[1] In the early 20th century, a new conservatory was added, along with a boiler room and chimney, and 19 greenhouses.
It contains a round-arched gateway with a rusticated surround, carved satyrs on the exterior, and lions' masks in the interior.
[2][3] The grade II*-listed gate piers are also built of limestone and are about 5 metres (16 ft) high.
Each has a column with pulvinated rustication, an acanthus frieze, and a moulded cornice, and is surmounted by a bead-rimmed urn with foliate scrolls.
[4] The life-size statue of Venus de' Medici stands on a drum pedestal about 1 metre (3 ft 3 in) high.
It is built of limestone, with a moulded cornice, a low blind parapet, and a hipped Welsh slate roof.