Speaking exclusively to MailOnline, the 53-year-old, from Chichester in Sussex, said Earth is 'actually a pretty small place' compared with the vast universe.
Rachel Joyce's highly emotional 2012 best-seller which has now become a musical about Harold Fry and his unlikely pilgrimage to make up with an old friend dying in a hospice 500 miles away.
The Georgian property in the heart of Chichester sits in-between two larger homes with its narrowest part measuring just 3.6 metres - similar to the width of a standard London tube tunnel.