Devolution in the United Kingdom: Enhancing Local Governance

The United Kingdom is often described as a unitary state, where ultimate power rests with a single Parliament at Westminster. Yet over the past three decades, that picture has changed dramatically. Through a process called devolution, the UK has transferred significant powers to elected bodies in Scotland, Wales, and Northern Ireland, and more recently to mayors and combined authorities across England. Devolution is not the same as federalism. Westminster remains legally supreme and can, in theory, take these powers back. But in practice, devolution has reshaped how Britain is governed, bringing decision-making closer to the people it affects. This post explains how devolution unfolded, what powers each region holds, and why the system still sparks debate.

What devolution actually means 🔗

Devolution is the transfer of specific powers from a central government to regional or local bodies, while sovereignty stays with the centre. This is a crucial distinction. In a federal system like the United States or India, the division of powers is constitutionally entrenched and cannot easily be reversed. In the UK, devolution rests on ordinary Acts of Parliament, which means Westminster retains the legal authority to amend or revoke them.

Despite this legal reality, devolution has become a deeply rooted feature of the British constitution. The Scotland Act 2016 even recognised that the UK Parliament will not normally legislate on devolved matters without the consent of the Scottish Parliament. This is known as the Sewel Convention, and while it is not legally binding, it reflects how settled devolution has become in political terms.

The road to devolution in the late 1990s 🔗

Demands for greater self-government had simmered for decades, but the decisive moment came after the 1997 general election. The incoming Labour government had promised referendums on devolution as part of its election manifesto. Within months, voters across the UK were asked whether they wanted their own legislatures.

In Scotland, a referendum held in September 1997 produced a clear result. According to the Scottish Parliament, 74.3% of those who voted backed the creation of a Scottish Parliament, and 63.5% supported giving it tax-varying powers. Wales voted on the same question a week later, but the margin there was razor-thin, with just over half of voters approving a Welsh assembly. Northern Ireland followed a different path: devolution there formed part of the Good Friday Agreement of 1998, the peace settlement that helped end the decades of conflict known as the Troubles.

These votes were translated into law through the Scotland Act 1998, the Government of Wales Act 1998, and the Northern Ireland Act 1998. London also gained a directly elected mayor and assembly following a separate referendum in 1998. The new devolved bodies began operating in 1999.

Why referendums came first 🔗

One notable feature of the 1997 process was that the referendums were held before the legislation was drafted, not after. As the Scottish Parliament records, this was deliberate. It ensured that devolution reflected the expressed will of the people rather than appearing as a policy imposed from above. This gave the new institutions a strong democratic foundation from the outset.

How power is divided 🔗

The UK uses a model of reserved powers to define the boundaries of devolution, at least in Scotland. Rather than listing what the devolved bodies can do, the legislation lists what they cannot do. Everything not “reserved” to Westminster is automatically devolved.

Reserved matters, set out in Schedule 5 of the Scotland Act 1998, include defence, foreign affairs, immigration, macroeconomic policy, and the currency. As the explanatory notes to later legislation illustrate, the Scottish Parliament cannot make laws relating to nuclear weapons, for example. Everything else, such as health, education, housing, policing, the environment, and agriculture, falls within what is called the Parliament’s “legislative competence.”

An asymmetric system 🔗

A defining characteristic of UK devolution is that it is asymmetric. The three devolved nations do not have identical powers. Scotland received the strongest settlement, with full primary law-making authority and tax-varying powers. Northern Ireland also gained primary legislative powers, though its institutions operate through a power-sharing arrangement that requires unionist and nationalist communities to govern together.

Wales initially received the weakest settlement. As scholars writing for E-International Relations note, the Welsh body was originally given only executive and administrative powers along with the ability to scrutinise secondary legislation, rather than full primary law-making powers like Scotland. Over time, Wales gained more authority through later reforms, and the body was eventually renamed Senedd Cymru, the Welsh Parliament. This gradual deepening of powers reflects how devolution has evolved as an ongoing process rather than a single event.

New electoral systems 🔗

Devolution also introduced electoral innovation. While Westminster elections use the First-Past-the-Post system, the devolved bodies use different, more proportional systems. Scotland and Wales adopted the Additional Member System, which produces a closer match between the share of votes a party wins and the number of seats it receives. This was a significant departure from the traditional British approach and has shaped the multi-party politics seen in the devolved legislatures.

Funding the devolved nations 🔗

Money is central to how devolution works in practice. The devolved governments are funded largely through a block grant from the UK Treasury, supplemented in Scotland and Wales by some devolved taxes. The size of these grants is determined by the Barnett Formula, a mechanism that adjusts funding for the devolved nations in line with changes to spending in England.

The sums involved are substantial. As reported drawing on the Institute for Government, the block grant in 2024/25 amounted to roughly £45 billion for Scotland, £20 billion for Wales, and £18 billion for Northern Ireland before tax adjustments. Once these grants are set, the devolved administrations decide how to allocate the money across the services they manage. This financial autonomy is what allows tailored policy-making to happen.

Devolution within England 🔗

For a long time, England was the conspicuous gap in the devolution map. Unlike Scotland, Wales, and Northern Ireland, England had no devolved legislature of its own and continued to be governed directly from Westminster. The exception was London, which gained an elected mayor in 2000.

This began to change with the creation of combined authorities and directly elected metro mayors. The Cities and Local Government Devolution Act 2016 allowed combined authorities to be led by directly elected mayors, who gained powers over areas such as transport, housing, and skills. According to the Institute for Government, by 2024 there were already a dozen areas with mayoral devolution, including Greater Manchester, the West Midlands, and West Yorkshire.

The latest wave of reform 🔗

English devolution has accelerated sharply. The English Devolution and Community Empowerment Bill, introduced in July 2025 and given Royal Assent in April 2026, has been described as the biggest overhaul of local government in fifty years. As legal analysts at Ward Hadaway explain, it creates a standardised framework of “strategic authorities” with different tiers of powers, moving away from the previous practice of negotiating individual deals area by area.

The legislation also introduces a “devolve or explain” principle, requiring ministers to respond formally when strategic authorities request more powers. Established mayors are given long-term integrated funding settlements, allowing them to plan over many years rather than relying on short-term grants. The aim is to make devolution within England more consistent and to use local leadership to tackle regional economic inequalities.

The benefits devolution has delivered 🔗

Devolution has allowed each part of the UK to develop policies suited to local needs. Scotland, for instance, abolished tuition fees for Scottish students and introduced free personal care for the elderly, diverging from the approach taken in England. These differences are the practical result of devolved control over health, education, and social policy.

Supporters argue that decisions made closer to the people are better decisions. The Scottish Government has pointed out that devolution, supported by such a large majority in 1997, has delivered tangible benefits and earned public trust. Local innovation, greater accountability, and the ability to tailor services to regional circumstances are widely seen as the core achievements of the system.

The challenges that remain 🔗

Devolution has not been without serious difficulties, many of which stem from its piecemeal design.

The West Lothian question 🔗

Perhaps the most famous problem is the West Lothian question. Named after Tam Dalyell, the former MP for West Lothian who raised it in 1977, it highlights a constitutional imbalance. As the House of Commons Library explains, the issue is that MPs from Scotland, Wales, and Northern Ireland can vote at Westminster on matters affecting only England, while English MPs have no equivalent say over devolved matters in those nations. Because England has no separate legislature of its own, it sits awkwardly within the wider settlement.

Funding fairness 🔗

The Barnett Formula has also drawn criticism. As discussed by E-International Relations, some argue the formula distributes public spending unevenly, with certain regions appearing to benefit more than others. Debates over whether the funding arrangements are fair across all parts of the UK have persisted for years and remain politically sensitive.

Uneven and unequal development 🔗

A further challenge is ensuring that devolution delivers balanced development. The settlement was rolled out unevenly, with England in particular lacking the coherent, locally-driven arrangements seen elsewhere. The Electoral Reform Society has argued that English devolution proceeded in a fragmented, top-down manner rather than emerging from genuine local debate, which limited public buy-in. Closing the gap between prosperous and struggling regions remains one of the central goals, and one of the toughest tests, of the whole project.

Why this matters for comparative study 🔗

The UK offers a fascinating case for anyone studying decentralisation. Unlike federal systems where powers are constitutionally fixed, the British model shows how a unitary state can decentralise extensively while keeping ultimate sovereignty at the centre. Its asymmetry, with different regions holding different powers, contrasts sharply with the more uniform arrangements found in many federations. This makes devolution a flexible but sometimes untidy system, constantly evolving in response to political pressure and public demand.

What do you think? Should a country aim for a uniform distribution of powers across all its regions, or is asymmetric devolution a sensible way to respond to genuinely different regional needs? And given that Westminster remains legally supreme, do you think devolution in the UK is a permanent constitutional shift or one that could still be reversed?

References

1. https://www.legislation.gov.uk/ukpga/2016/11/notes/division/6/index.htm
2. https://www.parliament.scot/about/history-of-the-scottish-parliament/the-path-to-devolution
3. https://consoc.org.uk/the-constitution-explained/devolution/
4. https://www.e-ir.info/2013/02/27/challenges-of-devolution-politics-in-the-uk/
5. https://www.instituteforgovernment.org.uk/explainer/english-devolution
6. https://en.wikipedia.org/wiki/English_Devolution_and_Community_Empowerment_Act_2026
7. https://www.wardhadaway.com/insights/updates/the-english-devolution-and-community-empowerment-bill/
8. https://commonslibrary.parliament.uk/research-briefings/sn02586/
9. https://www.electoral-reform.org.uk/latest-news-and-research/parliamentary-briefings/response-to-the-pacac-inquiry-into-the-evolution-of-english-devolution/