Complex sentence: Blyton's home, Green Hedges, was sold in an auction on 26 May 1971 and demolished in 1973 and its site is occupied by houses and a street named Blyton Close.
Split into simpler sentences: Blyton's home, Green Hedges, was sold in an auction on 26 May 1971 and subsequently demolished in 1973. The area where Green Hedges once stood is now occupied by houses and a street named Blyton Close.