It was opened to the public in 1966 , one year after Churchill 's death .
After his death in January 1965 , Lady Churchill immediately relinquished her lease and presented Chartwell to the National Trust .
Chartwell was opened to the public in 1966 , one year after Churchill 's death .
After his death in January 1965 , Lady Churchill immediately relinquished her lease and presented Chartwell to the National Trust .