The restored 17th-century gardens surround the house. They include a kitchen garden containing many heritage crops, a maze-like area known as the Wilderness, and several summerhouses.
As Ham House and Garden is externally managed, you should visit the National Trust website for opening times.
There is nearby free car parking, but the site is also easily accessible on foot and by public transport. The nearest train station is Richmond, and the area is also served by the bus routes 65 and 371.