Opposition Day: UK-EU Summit

What happened: On 13 May 2025, MPs voted on an opposition day motion (a debate initiated by the opposition rather than the government) calling for a UK-EU summit to strengthen cooperation and improve post-Brexit relations. The motion was defeated by 402 votes to 104. On the same day, MPs also voted on a government amendment to the motion, which passed 321 to 102, replacing the opposition's wording with the government's preferred framing.

Why it matters: The motion would have committed Parliament to calling for a formal UK-EU summit aimed at deepening bilateral cooperation. Its defeat means no such parliamentary pressure was applied to the government. The vote reflects ongoing debate about the appropriate level of engagement between the UK and the European Union following Brexit, touching on trade, security cooperation, and diplomatic relations that affect businesses, workers, and citizens across the country.

The politics: The vote produced an unusual cross-party alignment. Conservatives, who led the opposition motion, were joined in the Aye lobby by Reform UK and the Democratic Unionist Party, despite those parties generally holding more Eurosceptic positions. Labour, the Liberal Democrats, the SNP, Plaid Cymru, and the Greens all voted No, meaning the government defeated the motion with broad progressive and nationalist support. The result reflects a tactical political dynamic: parties that broadly favour closer EU ties voted against the motion, while the Conservatives used it to put the government on the spot over its handling of post-Brexit diplomacy.