This chapter provides an analysis of the changing nature of intergovernmental relations in the UK in light of its unique historical and constitutional context as a ‘state-nation’, of which England is overwhelmingly the largest component. England may have become more economically dominant within the union owing to London’s important role as a global financial centre, yet politically the City of London was also a cause of the financial crisis of 2008–9. While fiscal policy is determined centrally, ongoing devolutionary reforms have conferred some budgetary independence on Scotland, Wales and Northern Ireland, and fiscal equalization under the ‘Barnett formula’ is now generating political controversy amid long-lasting economic austerity polici...