He didn't really say anything but just got awkward and said 'we as a company wouldn't be able to proceed with the work without an upgrade' pointing at this:
I have something similar, although even older as it still has fuse wire. Presumably something similar happened when the previous owners put in the kitchen as that is on a different consumer unit which has fancy stuff like an RCD.
He didn't really say anything but just got awkward and said 'we as a company wouldn't be able to proceed with the work without an upgrade' pointing at this: