This is right next to Leadenhall Market, which dates from the 14th century. I wonder if there were other markets on the same-ish site between the Roman forum and Leadenhall.
The Vikings set up shop around The Strand and Covent Garden, then Alfred reinstated London.
I think, I am not historian, and maybe attributing much to recent TV shows. But I’ve worked through Queenhythe enough times to read the placards.