In the surrounding Hatton Garden area, gold was refined in the basements of what then became exclusive bars and restaurants frequented by employees of the city financial district. Even now, behind the tall glass panes of exclusive Hatton Garden addresses, embedded within the surrounding by diamond and gem merchants, sophisticated precious metals refining is carried out. With modern equipment connected over many floors, businesses take in feeds not just from jewellery, but also from a broad range of industrial and mobility sectors. Automotive Figure 2 Supply and Demand of Platinum, Palladium and Rhodium 2023 The Catalyst Review pollution control is the largest market for Pt, Pd and Rh and recycling of spent autocatalysts provides a large source of metal used October 2024 9