Brexit's Unfulfilled Promises
Ten years after the UK voted to leave the European Union, the anticipated benefits of Brexit have largely failed to materialize. The promise of reclaiming sovereignty has been overshadowed by complex trade barriers and regulatory divergence that have hampered businesses. According to a recent analysis by the UK in a Changing Europe, the UK economy is 5-6% smaller than it would have been had it remained in the EU.
Economic Costs
The economic impact has been significant. Trade with the EU has become more cumbersome, with new customs checks and paperwork adding costs estimated at £7.5 billion annually. The Office for Budget Responsibility projects that Brexit will ultimately reduce UK productivity by 4% compared to staying in the bloc. Small businesses, in particular, have struggled with the new bureaucracy.
Political Divisions
Politically, Brexit has deepened divisions within the UK. The 2016 referendum exposed stark regional and generational splits, which have not healed. The Scottish government continues to push for independence, partly citing the desire to rejoin the EU. In Northern Ireland, the protocol has created tensions with the EU and within the unionist community.
Global Trade Deals
Proponents argued that Brexit would allow the UK to strike advantageous trade deals globally. While deals have been signed with Australia and New Zealand, their economic impact is modest. A deal with the US remains elusive. The UK has also joined the Comprehensive and Progressive Agreement for Trans-Pacific Partnership, but its benefits are expected to be small relative to the loss of EU trade.
Regulatory Autonomy
The UK has regained regulatory autonomy, but in practice, it often aligns with EU rules to avoid trade friction. For instance, the UK has maintained EU standards in chemicals and pharmaceuticals. The promised bonfire of EU red tape has not materialized, with many regulations remaining in place.
Immigration and Labour
Freedom of movement ended, but net migration has actually increased, driven by non-EU arrivals. Employers in sectors like hospitality and agriculture report labour shortages, partly due to reduced EU worker numbers. The new points-based system has not fully addressed these gaps.
Public Sentiment
Public opinion has shifted. Polls now show a majority believe Brexit was a mistake. According to a 2026 YouGov survey, 55% of respondents said leaving the EU was wrong, compared to 34% who thought it was right. The sentiment is strongest among younger voters, who feel they bear the long-term consequences.
Future Prospects
Looking ahead, the UK-EU relationship remains tense. The Trade and Cooperation Agreement is up for review in 2026, offering a chance to improve ties. However, any significant rapprochement faces political hurdles. The UK government maintains that Brexit is a success, citing the ability to diverge from EU rules in areas like technology and finance. Yet, the evidence suggests the costs have outweighed the benefits so far.



