There are moments in law when a judgment does more than resolve a dispute. It reshapes the legal order itself. Today’s ruling in the Supreme Court of the British Indian Ocean Territory is one such moment.
At its heart lies a single, extraordinary conclusion. The Court has quashed the provision of law that, for more than twenty years, denied the Chagossian people the right to live in their own homeland. Section 9 of the 2004 Constitution Order, which declared that no person had the right of abode in the territory, has been found unlawful, irrational, and an impermissible use of executive power.
That finding alone is historic. It dismantles the legal foundation upon which the exclusion of the Chagossians has rested for a generation.
But the judgment goes further still.
It confronts, directly and unequivocally, one of the most controversial claims at the centre of this long-running dispute: that the islands had no settled population. That claim, the Court makes clear, cannot stand. It recognises the Chagossians as a people and acknowledges what the historical record has long shown, that there was indeed a settled population on the islands before their removal.
In doing so, the Court exposes what it effectively treats as a legal fiction, one that had for decades underpinned the denial of rights.
The constitutional significance of the judgment is underlined by one of its most striking conclusions. There is, the Court states, no historical authority for the Crown to exercise a prerogative power to expel or permanently exclude a population of British subjects from the territory to which their citizenship belongs. That proposition, once asserted as a matter of executive necessity, has now been decisively rejected.
This is not merely a correction of process. It is a reassertion of principle.
The Court has also quashed the removal notices issued to Chagossians currently on the islands, finding that the process by which they were made was fundamentally flawed. There was no fair procedure, no meaningful opportunity to be heard, and no proper reasoning. In short, the basic requirements of public law were not met.
Yet the most important shift lies in how the Court understands the present, not just the past.
The government has long relied on arguments of defence necessity and practicality to justify exclusion. But the factual landscape has changed. International developments, including agreements that explicitly contemplate resettlement and involve financial commitments on a vast scale, have altered the context in which those arguments are made. The Court accepts that change. What may once have been argued as necessity can no longer be sustained as justification.
The result is a profound reversal. The law no longer begins from a position of exclusion. Instead, it requires justification.
The Court has not ordered the establishment of a settlement. It has not purported to step into the role of government. But in removing the legal barriers, it has transformed the framework within which decisions must now be made.
Any future attempt to remove Chagossians from the islands will require a lawful process, full consideration of their rights, including their heritage and their restored right of abode, and reasons of real substance. The era of blanket exclusion is over.
There will be an appeal. The legal battle will continue. But the ground has shifted.
For decades, the law was used to deny a people their place in the world. Today, that same law has begun, at last, to recognise it.
And in that recognition lies not just a legal victory, but the beginning of something far greater: the return of a people to their homeland, not by permission, but by right.
Thank you to all who have helped us in this fight so far. We will continue.
Claire Bullivant, CEO Great British PAC
