The "side" windows for the boys I would make with a normal sill height instead of floor-to-ceiling, that should be enough.
I still don't understand why this weird KBE of the extension isn't allowed to go into the technical room as well.
Knight of the British Empire, that is something honorable and noble, even higher than Court Councillor in Austria, it can in no way be put in the same broom closet as ordinary technical stuff.