The grandest mansion in medieval England was built on this site by John of Gaunt, Duke of Lancaster and uncle of Richard II. In 1381 the revolting peasants (who loathed Gaunt) tore it all down.
For GPS Challenged visitors to IET Temp Home @IMechE
IET temporary London home at IMechE - One Birdcage Walk. You can find out about the facilities here:
Vegtable soup today was great.