Summary

As Andy Burnham became UK prime minister on 20 July 2026, attention turned to a devolution 'big bang' — radical decentralisation of power and money to England's regions, argued by FT columnist Joel Suss as a route to higher productivity and living standards. Burnham, the former 'King of the North' and mayor of Greater Manchester, is its natural champion. Banks including NatWest and Lloyds are promoting regional-lending credentials to help finance the agenda, with NatWest committing around £20bn to the North of England. The case is strong but constrained: the IMF warns against unfunded spending, gilt markets are nervous, and history shows earlier rebalancing efforts often bypassed the weakest areas. Success will depend on whether regions can absorb power and whether finance reaches beyond the strongest cities.

Five Key Takeaways

  1. Burnham enters Downing Street as the most prominent champion of English devolution, giving the 'big bang' argument a natural sponsor.
  2. The economic case rests on closing a regional productivity gap that has left much of England poorer than the national average.
  3. Banks such as NatWest and Lloyds are positioning to finance regional growth, with NatWest committing around £20bn to the North.
  4. Fiscal constraints are real: the IMF has warned against unfunded spending, and commentators stress there is no 'free fiscal lunch'.
  5. History is mixed — 'levelling up' and earlier devolution deals show that shifting power helps only if regions can absorb and use it.

What Happened

Andy Burnham arrived in Downing Street on Monday 20 July 2026 carrying a reputation few prime ministers have brought to the job: he is the man who made English devolution feel real. As mayor of Greater Manchester from 2017 to 2026, he built a profile as the 'King of the North', a leader who negotiated powers and money out of Whitehall and turned a combined authority into a recognisable centre of decision-making. His first-speech themes — reducing regional inequality and governing for 'every part of the United Kingdom' — placed the geography of the economy at the heart of his premiership.

That backdrop has revived a long-running argument among economists and commentators. In a Financial Times column published around the handover, Joel Suss urged Burnham to go further than any of his predecessors and pursue a devolution 'big bang': a radical decentralisation of power, revenue and responsibility to England's regions. His contention was that spreading decision-making more widely, rather than concentrating it in London, could raise UK productivity and living standards over time.

Suss pointed to concrete examples of what regional ambition can look like, citing Newcastle's Catalyst building — a hub for research and innovation in the North East — as the kind of asset that thrives when local institutions have the capacity and confidence to build. The column framed devolution not as an act of political generosity but as an economic strategy for a country whose growth has been unusually lopsided.

Crucially, the argument is no longer confined to think-tanks and academics. Britain's biggest lenders have started to make the case commercially. Under the banner that it is 'no longer grim up north', NatWest and Lloyds have been promoting their regional-lending credentials, signalling that private capital is ready to help finance a growth agenda built on shifting power outwards. NatWest has committed to direct around £20bn towards the North of England over the coming decade.

Why It Matters

The reason devolution keeps returning to the top of Britain's economic debate is simple: the country's regional inequality is among the widest in the developed world. Output per person in London and parts of the South East dwarfs that of much of the North, the Midlands and the coastal periphery. Closing even part of that gap would lift national productivity, because raising the performance of places that lag the average does more for the whole than squeezing further gains from areas already at the frontier.

For a new prime minister promising cost-of-living relief, the appeal is obvious. Higher productivity is the only durable route to higher wages and better public services without permanently higher borrowing. If devolution can help underperforming regions grow faster, it offers something rare in current politics: a growth story that is also a fairness story, aligning Burnham's regional message with the hard arithmetic of the Treasury.

It matters, too, because the private sector is now leaning in. When large banks compete to advertise regional lending, they are betting that the demand for finance in the North and Midlands is real and will be backed by government. That is a meaningful signal. Public money alone cannot rebuild regional economies; the involvement of NatWest, Lloyds and others suggests a model in which devolved authorities set direction and private capital supplies much of the funding.

There is also a credibility dividend at stake. For a decade, promises to rebalance the economy have arrived and faded, from regional agencies to the 'Northern Powerhouse' and 'levelling up'. Voters in the affected places have learned to treat grand rebalancing pledges with scepticism. If Burnham can show that devolution delivers tangible improvements — better transport, more skilled jobs, visible investment — he strengthens trust in government itself, not just in one policy.

Yet the stakes cut both ways. A devolution 'big bang' that hands power to institutions lacking the capacity to use it could waste money and deepen disillusion. The question is not only whether to shift power, but whether Britain's regions are ready to wield it — and whether a cash-strapped centre can afford the transition.

Detailed Analysis

Stripped of slogans, the devolution debate turns on three linked questions: what a 'big bang' would actually involve, how it would be paid for, and whether it can succeed where earlier efforts fell short. Each deserves careful treatment, because the gap between the promise of decentralisation and its delivery has tripped up governments of every stripe.

What a 'big bang' would really mean

A genuine devolution 'big bang' is more than another round of city deals. It implies giving mayors and combined authorities long-term, flexible funding rather than a patchwork of competitive bidding pots; real control over skills, transport and housing; and some ability to retain and reinvest the proceeds of local growth. The animating idea is that people who understand a place are better placed to spend on it than officials in Whitehall.

Burnham's own record is the working prototype. In Greater Manchester he pushed to join up transport, took steps on housing and homelessness, and argued repeatedly that decisions made locally could be quicker and better matched to need. Suss's argument extends that logic across the country: if one energetic mayoralty could shift outcomes, a system in which many regions hold comparable powers might change the national picture.

The industrial dimension makes the case tangible. Burnham's allies point to assets such as the advanced manufacturing centre in Rotherham, where research facilities collaborate with business and draw on what one account called the region's 'muscle memory' in engineering. Newcastle's Catalyst building plays a similar role in the North East. The lesson is that regions rarely start from nothing; devolution works best when it amplifies strengths that already exist rather than trying to conjure new ones from a spreadsheet.

The money question

The hardest part of any 'big bang' is paying for it, and here Burnham inherits a tight fiscal position. He has said he will 'use any flexibility' within the fiscal rules, and commentators have estimated that such flexibility could mobilise as much as £16bn for infrastructure over the remainder of the decade. That is real money, but it is not limitless, and it comes as gilt markets are already nervous about higher spending under the new prime minister.

The external warnings are pointed. The International Monetary Fund has cautioned that Britain cannot afford an unfunded surge in public spending, and that any response to the energy-price shock from the Iran war should remain 'targeted, temporary and budget-neutral'. The economist Martin Wolf has made the same point in blunter terms: the biggest mistake a new government can make is to imagine there is a 'free fiscal lunch'. There are, he argues, only hard choices.

This is where private lending becomes central rather than incidental. If the state cannot simply write large cheques, the practical route to funding regional growth runs through banks, pension funds and other investors. NatWest's roughly £20bn commitment to the North, and the broader push by NatWest and Lloyds to burnish their regional credentials, matter precisely because they offer a way to finance the agenda without breaching the fiscal rules.

The catch is that private capital is not philanthropy. Lenders require projects that can generate returns, which means the agenda has to translate abstract ambitions into bankable schemes with clear revenue and manageable risk. The risk is that private money follows growth rather than leading it, gravitating to places that already look bankable — the strong core cities — and leaving the weakest towns dependent on the very public funding that is in short supply. Bridging that gap is likely to require some form of blended finance, in which limited public guarantees crowd in far larger sums of private investment.

Risks, precedents and the periphery

History counsels humility. Britain has tried to rebalance its economy before, from regional development agencies to the 'Northern Powerhouse' and 'levelling up', with results that were patchy at best. Research on English devolution repeatedly identifies a catch-22: the places that most need stronger local institutions are often the ones least equipped to build them, so power can flow to areas that can absorb it while the periphery stagnates.

That is the warning embedded in Alison McGovern's argument that the real divide is 'insiders versus outsiders', not simply north versus south. Growth that clusters in a few regional hotspots can leave nearby towns — she cites Hartlepool — no better off, and sometimes worse, as talent and investment are drawn to the nearest booming city. A devolution 'big bang' designed only around big city regions could reproduce inequality at a smaller scale.

There is a political risk, too. The prevailing view in parts of Whitehall, reflected in commentary warning against a return to a 'statist past', is that Britain needs to revive private-sector confidence rather than expand the machinery of the state. Devolution can be framed either way — as decentralising and market-friendly, or as building new layers of public bureaucracy. How Burnham tells that story will shape whether investors see the agenda as a growth plan or a spending one, and that perception will feed directly back into the cost of the government's borrowing.

What Happens Next

The first test is whether Burnham converts rhetoric into a concrete offer to the regions. Watch for early signals on funding settlements for mayors, the balance between competitive bidding and long-term grants, and whether new powers over skills, transport and housing are handed down quickly or held back while the Treasury weighs the cost. The direction of travel will be visible within his first months, even if the full architecture takes longer to build.

The money will shape the pace. If Burnham leans on the fiscal flexibility he has flagged — potentially freeing up to £16bn for infrastructure — he can front-load investment, but at the price of testing already jittery gilt markets. If he heeds the IMF and the 'no free fiscal lunch' warnings, the 'big bang' becomes more of a phased build, dependent on private finance from lenders such as NatWest and Lloyds to fill the gap.

The commercial response will be revealing. Bank pledges are welcome, but the test is where the lending actually lands. If regional finance concentrates in the strongest cities, the 'insiders versus outsiders' problem will resurface and critics will say devolution has again bypassed the places that need it most. If it reaches beyond the obvious hubs, the model gains credibility.

Finally, expect scrutiny of delivery capacity. New powers mean little without the local institutions and skills to use them, and building that capacity is slow, unglamorous work. Burnham's credibility rests on showing that the mayoral model that worked in Greater Manchester can be scaled nationally without diluting what made it effective.

Conclusion

A devolution 'big bang' is, on paper, one of the more coherent ideas in British economic policy: it promises to raise productivity by fixing a regional imbalance that has held the whole country back, and it fits naturally with a prime minister who built his career on the argument. In Burnham, the case has found its most credible political sponsor, and in NatWest and Lloyds it has found lenders willing to put money behind the story.

The obstacles are equally clear. The public finances are tight, the IMF is watching, and gilt investors are wary. History shows that shifting power helps only when regions can absorb it and when the benefits reach beyond a handful of thriving cities. Devolution is not a shortcut around hard choices; it is a bet that decisions made closer to home will, over years, produce better results.

Whether Burnham's 'big bang' transforms Britain's economy or joins the long list of rebalancing schemes that promised more than they delivered will depend less on the ambition of the vision than on the discipline of its execution — and on whether the money, public and private, ends up in the places that need it most.