The devolution of powers to Northern Ireland has produced mixed economic and fiscal outcomes, as scrutiny turns to proposed further devolution across the United Kingdom. While the region’s productivity growth has outpaced that of London over the past decade, its public administration has been marked by chronic overspending and underperformance in key services.

The Stormont administration has repeatedly exceeded its spending limits, drawing on funding from Westminster that is already more generous than allocations for English regions. The Treasury has warned of future resource reductions to recover overspends, but such penalties have yet to be fully imposed.

Despite higher per-capita health spending, outcomes in Northern Ireland’s health service remain worse than in England. The education system also shows significantly weaker results.

Northern Ireland’s economic output per head rose faster than London’s between 2013 and 2023, an exception among the devolved nations. Analysts attribute this partly to the region’s retention of access to the EU single market for goods, which cushioned the impact of Brexit on the local economy. Scotland and Wales, by contrast, saw their productivity fall further behind the capital.

The experience raises questions about the governance structures that would accompany any expansion of regional devolution in England. Without robust mechanisms to enforce fiscal discipline or link overspending to local tax increases, there is a risk of repeating the pattern of financial mismanagement seen at Stormont.