I went to see the new building which Niall McLaughlin has put up in amongst some classic Peabody buildings just short of the Tower of London on John Fisher Street (previously Glasshouse Street).   The original estate consists of nine buildings, each one labelled according to a letter of the alphabet, designed by H.A. Darbishire and built in 1880.   Niall McLaughlin has added a thin, free-standing block, in appropriately austere pale brick, not aping the surroundings, but in sympathy with them:-