United Kingdom • • • 🌿 Progressive

Patrullera gris y pequeñas embarcaciones en aguas tranquilas del Canal al amanecer, con acantilados blancos al fondo
Patrullera y pequeñas embarcaciones en el Canal al amanecer, en una imagen alusiva al acuerdo entre el Reino Unido y Francia. · Imagen generada para Erick Prometeo Media

Inspection finds UK-France returns pilot worked in practice

An independent inspection found that Operation Hillmore showed a jointly linked agreement between the United Kingdom and France could work in practice…

--- The context --- The agreement between the United Kingdom and France on preventing dangerous journeys has now been examined by an independent inspection whose report has been published. The review focused on Operation Hillmore, the arrangement that linked returning people who arrived by small boats with a controlled legal route for eligible people in France. --- The facts --- Initially established as a ten-month pilot and set up with considerable speed, Operation Hillmore was due to end on 11 June 2026 but was extended until 1 October 2026. It tested ways of returning to France individuals who arrived in the UK illegally by small boats, while simultaneously providing a controlled legal route for eligible migrants in France to enter the UK. The inspection examined whether the pilot was meeting its aims, the arrangements in place to evaluate its effectiveness, including how lessons learned were identified and applied, and the challenges associated with any transition from pilot to full implementation. --- The positions --- The inspection found that the pilot demonstrated that a jointly linked IN and OUT agreement could be established and made to work using existing practices and ways of working that were legally robust. Key contributors were the high priority and availability of resources given to Hillmore within the Home Office and strong leadership coordinating work across the migration and borders system. The report makes three recommendations intended to strengthen the design, delivery and evaluation of future Home Office pilots, and it was sent to the Home Secretary on 16 July 2026, with the Home Office fully accepting all three recommendations. John Tuckett, Independent Chief Inspector of Borders and Immigration, said indirectly that he was encouraged to see work already taking place to deliver on those recommendations. --- What remains unknown --- The inspection also found that clear criteria for assessing the overall success of the pilot were not established at the outset. Its stated aims focused on high-level strategic objectives such as deterring migrants from using small boats, where multiple other factors were in play, making it difficult to evaluate the specific contribution of Operation Hillmore to any reduction in small boat arrivals. --- Unanswered questions --- What clear criteria will be set from the outset to judge future pilots? When will the extensive lessons learnt exercise be held, before key staff are redeployed? How could the specific contribution of such an agreement to any reduction in small boat arrivals be measured fairly? --- EPM analysis --- The report usefully separates delivery from evaluation. Showing that a linked arrangement can operate through existing practices and remain legally robust is a real finding, but it does not answer the harder question of impact. Without criteria agreed in advance, later claims about deterrence or reductions rest on ground that the inspection itself describes as difficult to evaluate. 📌 EPM Take: In EPM's view, the central lesson is about honest measurement as much as border policy. A linked agreement can be built and made to work, yet its value cannot be proved against broad aims that many other factors also shape. Accepting the recommendations is a start, but the urgent step is learning the lessons before key staff move on. Future pilots should begin with clear success criteria, so that what worked, what failed and what remains uncertain can each be shown with evidence.
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