 In the late 20th century, Chalfont Lodge was destroyed and a care home was constructed in its place.Alcan Chemicals Ltd, the successor of British Aluminium Company, vacated the estate in July 1999, and the research laboratories were subsequently redeveloped into a business park in 2000/2001.Since 2008, the gardener's cottage, lodge, and pavilion have been owned by Buttercups Nursery Limited and used as a nursery.