The Charterhouse gardens have been designed in an English country garden style featuring roses, herbaceous borders, ancient mulberry trees and a small pond. Various garden herbs found here are still used in the kitchen today. The gardens are partly private, except one day a year, when they are opened to the public as part of the National Garden Scheme.

The Head Gardener is Claire Davies, who took up the post in the summer of 2009. All photographs are credited to her.