The UK is essentially three entities: the city of London (a wormhole to a giant offshore tax exile trusts network) and a quasi sovereign state, the Crown corporation and the actual sovereign state.
The money being siphoned off by the first two entities are largely immune to the oncoming UK nation state recession and are heavily invested in increased stateless globalization.
If you have the time this is 120 minute documentary THE SPIDER'S WEB reveals how Britain transformed from a colonial power into a global financial power
At the demise of empire, City of London financial interests created a web of offshore secrecy jurisdictions that captured wealth from across the globe and hid it behind obscure financial structures in a web of offshore islands. Today, up to half of global offshore wealth may be hidden in British offshore jurisdictions and Britain and its offshore jurisdictions are the largest global players in the world of international finance. How did this come about, and what impact does it have on the world today?