The UK’s devolution reforms were built on long-standing practices of differentiated territorial administration in the non-English parts of the UK. With devolution those practices became subject to new democratic processes, transforming territorial administration into territorial politics. The reforms were introduced in a piecemeal basis, lacking an overall conception of the impact of devolution on the UK state, and lacking consideration of how the government of the non-devolved unit of England can, through its size and weight within the UK, impact on and constrain devolved government. The combination of piecemeal reform and the ‘English question’ raises a number of open questions about the coherence and stability of the devolution arrangeme...