input: Flatlets (first built 1976, second batch 1981) [Original Features] Self-catering apartments located on the old sports field at the rear of the camp [Changes from 1963 to 1985] No major changes No major changes [Changes from 1987 to 1997] No major changes Some now used for staff accomodation only. [Changes since 1999] 
output: All now used for staff accomodation.