When Residence Court was built, it nestled into the NW corner of the site where the dog-leg of Princes Street joined Lothbury.  Later on this section of Princes was closed off and incorporated into the NW extension.  Two sides of the court were dedicated to 4 storey apartments for two senior officers of the Bank, and a  third to offices for the Chief Cashier’s department.  On the fourth side a screen of columns atop broad flights of steps denoted the boundary with Lothbury Court and the bullion passage.

In the N.E. Extension there are several elliptical spaces.  Now the ellipse is not available in the “drawing toolset” for walls.  This is quite logical. You couldn’t apply normal “location line” behaviours to an elliptical wall.  If the Interior Face was an ellipse then the Exterior Face would not be.  You can’t have two ellipses that are parallel to each other all the way round.  Because if you scale an ellipse, the long axis will increase by more than the short axis.

One solution is…

Read more