Plaid Cymru Clinches Historic Senedd Win: Rhun ap Iorwerth to Form Minority Government

By Katie Williams

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Rhun ap Iorwerth to Form Minority Government

The political landscape of Wales has been completely redrawn. For the first time since the Senedd’s inception in 1999, Plaid Cymru has emerged as the largest party, ending a century of Labour dominance and signaling a massive shift in Welsh identity and governance.

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On Saturday, Plaid leader Rhun ap Iorwerth announced he will not seek a formal coalition, instead moving to lead a minority government.

The 2026 Senedd Results

Under the new proportional voting system and an expanded 96-seat chamber, the final tallies represent a total realignment of power:

  • Plaid Cymru: 43 Seats — The new largest party, just 6 seats shy of a majority.
  • Reform UK: 34 Seats — A surge that places them as the official opposition.
  • Welsh Labour: 9 Seats — A catastrophic collapse for the former party of government.
  • Welsh Conservatives: 7 Seats — Significant losses across former strongholds.
  • Welsh Greens: 2 Seats — Historic first-time entry into the Senedd.
  • Liberal Democrats: 1 Seat — A single-seat survival for Jane Dodds.

Why This Matters

  • A Historic First: Rhun ap Iorwerth is poised to become the first-ever Plaid Cymru First Minister. He described the victory as a “new dawn,” focused on building a self-confident nation that stands up to Westminster.
  • Labour’s Unprecedented Defeat: The most shocking moment of the night was outgoing First Minister Eluned Morgan losing her seat, a first for a sitting head of government in UK history. Interim leader Ken Skates now faces the task of rebuilding a decimated party.
  • The Minority Gamble: By choosing to govern alone, Plaid will have to negotiate every piece of legislation seat-by-seat. However, with the other parties largely refusing to cooperate with Reform UK, ap Iorwerth holds the strongest hand in the chamber.
  • The Independence Question: With a nationalist party finally in power, the debate over Welsh independence is no longer a peripheral issue; it is now the central pillar of the Senedd’s agenda.

“Wales has spoken with a clear, national voice. We will no longer be cast aside; we will build this nation every single day.” — Rhun ap Iorwerth