Actually, they probably could put a ledger and hang the joists from it. Or if they were going so far as to cut the joists back for the ledger, they could cut them back a little further and put in a LVL beam. Both ledger and LVL would have to be buried in the ceiling so that the beautiful brickwork above the doors and widows would be seen.
It’s only work if somebody makes you do it.
A day can really slip by when you're deliberately avoiding what you're supposed to do.
Duct tape is like the force. It has a light side, a dark side and it binds the universe together.