From 'opportunity' to 'Irish unity': Northern Ireland's split verdict on Starmer's exit

Few events expose Northern Ireland's competing constitutional visions as sharply as a change at the top of the UK government, and Sir Keir Starmer's resignation was no exception. Within hours, the province's parties had divided along familiar lines — one camp reading the moment as a case for the union's renewal, the other as a milestone on the road away from it.

The contrast between the two halves of Stormont's power-sharing executive could scarcely have been starker, with the First and deputy First Ministers offering diametrically opposed interpretations of the same event.

Sinn Féin: a spur to Irish unity

First Minister Michelle O'Neill, Sinn Féin's vice-president, said Sir Keir's departure 'underscores the chaos of Westminster and how our future is better served by breaking our links with Britain'. The framing was unmistakable: instability in London as an argument for constitutional change in Ireland.

Party president Mary Lou McDonald went further, describing the resignation as 'the latest chapter in the revolving door of Westminster politics' and declaring that 'the time to prepare for Irish unity is now'.

“Starmer's departure is the latest chapter in the revolving door of Westminster politics. That is why the time to prepare for Irish unity is now.”

Unionism: a chance to reset

From the unionist benches, the verdict was the mirror image. DUP deputy First Minister Emma Little-Pengelly called the resignation an opportunity 'to get the United Kingdom back on track', recasting the upheaval as a chance for renewal within the union rather than evidence against it.

Ulster Unionist MP Robin Swann struck a note of pragmatism, urging that a new prime minister be chosen swiftly because 'the country needs stability'. Independent unionist MLA Doug Beattie was blunter about the cause, attributing Sir Keir's fall to 'failings on key appointments, U-turns on welfare, lack of candour on legacy issues, and inability to influence his Cabinet on defence and security'.

Stability and the south

Beyond the constitutional jousting, there was a shared undercurrent of concern about continuity — over the legacy of the Troubles, the operation of post-Brexit trading arrangements and the steady functioning of the devolved institutions, all of which depend in part on a stable partner in London.

Irish political leaders in Dublin also responded, conscious that the working relationship between the two governments underpins the peace settlement and the day-to-day management of the island's shared interests. A prolonged period of Westminster instability is rarely welcome in Dublin, where successive Irish governments have come to value a predictable counterpart in London.

For business and civic leaders in Northern Ireland, the immediate worry is more prosaic still: whether a change of prime minister disrupts the delicate compromises that keep goods flowing across the Irish Sea and the institutions at Stormont functioning. Continuity, in that sense, matters as much as constitution.

• Michelle O'Neill (Sinn Féin): exit 'underscores the chaos of Westminster'
• Mary Lou McDonald (Sinn Féin): 'the time to prepare for Irish unity is now'
• Emma Little-Pengelly (DUP): an 'opportunity to get the UK back on track'
• Robin Swann (UUP): a new PM must be chosen swiftly for stability
• Doug Beattie (independent unionist): cited welfare U-turns and defence failings

Background

Northern Ireland's power-sharing executive operates under the Good Friday Agreement, requiring nationalist and unionist parties to govern jointly. Sinn Féin became the largest party in 2022, and Michelle O'Neill made history as the first nationalist First Minister when the institutions were restored in 2024.

Debate over a future border poll has intensified in recent years, with Sinn Féin pressing for preparations while unionist parties insist the conditions for such a vote are nowhere near being met.

What happens next: the parties will look to the incoming prime minister for clarity on legacy legislation and post-Brexit arrangements, while the constitutional argument the resignation reignited rumbles on beneath the day-to-day business of Stormont.