The UK and Germany sign the first-ever bilateral treaty in their history, covering defence, trade, migration, science, and education in a bold new era.
On 17 July 2025, the United Kingdom and Germany entered a transformative chapter by signing their first-ever comprehensive bilateral cooperation treaty. Known formally as the Treaty on Friendship and Bilateral Cooperation—and informally the Kensington Treaty—the agreement lays a sweeping foundation for collaboration in security, trade, migration, education, and innovation.
This unprecedented treaty responds to a fraught geopolitical landscape—Russia’s continued aggression, uncertainty in U.S. global commitments, and post-Brexit repositioning. Prime Minister Keir Starmer and German Chancellor Friedrich Merz jointly emphasized the urgency of “taking ownership of Europe’s future,” acknowledging this deal as a reset rather than a return to pre-Brexit structures.
Merz, the first German chancellor to visit Downing Street since Olaf Scholz, acknowledged Brexit regret but praised the treaty as “a necessity rooted in realism, not nostalgia.”
A core element is a mutual assistance clause—where an attack on either party invokes coordinated response. Though within NATO’s scope, this bilateral clause strengthens operational agility.
Key joint initiatives:
The defence plank builds directly on the 2024 Trinity House Agreement, now expanded into a long-term European security pillar.
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Read more →The treaty includes a first-of-its-kind enforcement alignment: Germany will criminalise the facilitation and storage of small boats and engines used in Channel crossings—enabling law enforcement even if no migrants are present. It reflects rising frustration on both sides with smuggling networks exploiting continental gaps.
A joint operational task force will track smuggling routes and financial flows, coordinating intelligence beyond Frontex or Interpol boundaries.
The treaty unlocked over £200 million in private investment, including:
A new UK–Germany Business Forum will streamline sector-specific trade, while both countries aim to influence EU–UK frameworks through aligned standards on green tech and digital compliance.
From January 2026, the UK will restore visa-free group travel for German school exchanges, reversing a post-Brexit collapse of ~80% in youth visits. Germany will reciprocate by granting UK citizens early access to automated e-gates beginning August 2025.
The treaty launches a joint rail task force to develop a direct London–Berlin train corridor, reducing air travel emissions and boosting cultural integration. A working group is exploring technical feasibility and funding, aiming for deployment by the early 2030s.
Under Article 22, both governments will pursue 17 “lighthouse projects”, coordinated through a Joint Cabinet that meets every two years. These include:
These projects are publicly accountable, funded via a blend of national budgets and private sector matching.
The Kensington Treaty is more than symbolism—it’s an ambitious and highly detailed blueprint for recalibrating post-Brexit Europe, creating a UK–Germany axis that can shape defence, mobility, and technological sovereignty across the continent.
This treaty may not restore the economic volume lost to EU exit, but it arguably offers something more critical: a shared model of pragmatic power in a turbulent world.
Area | Highlights |
---|---|
Signed | 17 July 2025, London (V&A Museum) |
Signatories | Keir Starmer, Friedrich Merz |
Scope | Defence, migration, trade, youth, science, infrastructure |
Investments | £200m+ in drones, AI, energy, venture capital |
New Laws | German crackdown on Channel smuggling |
Key Initiatives | Missile co‑development, school visas, London–Berlin rail |
Oversight | Joint Cabinet every 2 years |
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