Complex sentence: Based in various locations throughout her career including Harlow, Essex, London, Sawbridge, Hertforshire, and East Grinstead, she was most latterly based in Sussex and remained there until her death in 1963.
Split into simpler sentences: Based in various locations throughout her career including Harlow, Essex, London, Sawbridge, Hertforshire, and East Grinstead. Latterly based in Sussex and remained there until her death in 1963.