UK warns France funding hinges on migrant centre opening

Britain has warned that money for a new migrant detention centre near Dunkirk will not flow if the site does not open, placing a central plank of its £660m border deal with France at risk just as lawyers in Lille try to block the project.

The Home Office said the UK would only contribute once the facility in the Loon-Plage area was operational, and that funding from a £160m pot would be withdrawn if the wider agreement was not delivering proven results within its first year. The centre is expected to hold 140 people and, if it opens on schedule, could become one of the most visible symbols of the government's attempt to move border enforcement onto French soil. Home Secretary Shabana Mahmood said the pact would help "restore order and control to our borders" when it was signed in France last month.

That deal came after Keir Starmer and Emmanuel Macron first agreed, on 10 July 2025, to launch a pilot scheme aimed at illegal Channel crossings. Under that arrangement, small boat arrivals were meant to be returned to France while an equal number of migrants with legal claims would be able to travel to the UK through a new route. In April 2026, Britain and France expanded the effort into a three-year security package worth up to £660m, with £500m earmarked for enforcement on beaches in northern France and the rest made conditional on performance.

The centre now faces a legal challenge that could slow the timetable. France granted a building permit in July 2025, but the Flemish-Artois Coastal Environmental Defense Assembly, known as ADELFA, challenged the decision in November 2025 and appealed to the Administrative Court of Lille in February 2026. Its lawyers argue the site sits in an industrial zone where residential accommodation is not allowed under planning rules, and that it is near facilities including a warehouse with ammonia refrigeration, which "creates significant health risks for occupants". French legal experts said the permit could be revoked if the case succeeds, although the more likely outcome is delay rather than outright cancellation.

The dispute exposes the tension inside the new bargain. France plans to push its northern coastal law enforcement presence to 1,400 officers by 2029, adding riot police, intelligence teams, drones, helicopters and more cameras. Yet the stakes are already clear: around 41,000 people crossed the Channel in small boats in 2025, and the UK says joint work with France has already halted more than 42,000 attempted crossings since July 2024. A French Senate report put the cost of a standard 140-bed detention centre at about €40m, underscoring how much of the burden is being pushed onto a system now being tested in court.