"I'll be sitting in the same position by 2027," Starmer remarked, adding that if the conversation was successful, he might invite the interviewer into Downing Street for a follow-up conversation next year.
For a PM, there's never any time off for prime ministers. Just an hour before our chat started, Sir Keir had been in calls with Ukrainian President Volodymyr Zelensky and trying to decipher precisely had transpired in Venezuela, where his key ally, US President Donald Trump, had recently launched a strike against and detained its leader, Nicolás Maduro.
By the time the discussion, which was considerably lengthier than normal, had concluded, Maduro had been indicted in New York.
As the year commences, Sir Keir seems to have had a kind of a refresh. Perhaps even just some downtime with his family at Chequers, the prime minister's rural getaway.
This appeared to have left him in a more positive mood than at the difficult tail end of 2025, a awful year politically for him.
But are he and his supporters kidding themselves if they reckon his political fate are set to turn around?
The uncomfortable reality for the leader is that a significant number of his fellow MPs are convinced he's not very good at his job. Several of them would sooner gamble and get him out sooner rather than later.
But Starmer was dismissing such talk during our conversation on Saturday morning.
Repeatedly he stated he'd be "judged at the poll", arguing nobody would strip his electoral mandate from him – despite the fact that the most effective strategy of halting Nigel Farage and Reform UK getting to No 10 might be for Labour to change its leader.
"This is the fight of our lifetime and I plan to be at the forefront," he affirmed.
The problem for the prime minister is that he will be assessed long before then – in a major set of elections in May throughout the UK. He attempted to argue, maybe too much, that they are about who runs local authorities, and who runs the governments in Holyrood or Cardiff – and not a verdict on Westminster.
True – in part. But even though he may be reluctant to acknowledge it, No 10 will be evaluated by those elections too.
Despite this, Sir Keir suggesting that there were no situation under which he would step down, should one of his MPs contested his leadership for the job, if those elections prove very poor for Labour.
He attempted to account for his low poll ratings by saying the public was understandably impatient for things to change. He tried to assure the interviewer, and the nation, that the coming months would be distinct.
The economic situation would recover notwithstanding rising unemployment, he claimed, when strategies the government put in place during their initial turbulent year began to show results.
His big message is that in 2026 the country will "see an improvement".
The prime minister may have communicated with greater vigour than observed from him for a some time – less tense, maybe, with more time to talk.
But despite facing calls from various quarters for a more decisive strategy, with much more political clarity, more vigour, more speed and more urgency, his arguments were familiar ones.
When he finds himself in considerable political difficulty, does he need a different script?
No administration, and certainly not one that has been struggling in the polls for an extended period, has everything its own way.
Sir Keir's problems are not only because governing is hard, but because he and his colleagues have made mistakes, including in the recent past.
The prime minister told me that he was sorry for saying he was "happy" to see the return of the Egyptian-British activist Alaa Abd El Fattah to the UK after an backlash when comments he'd previously made – such as calls for Zionists and police to be killed – surfaced.
Starmer blamed "the process" for not catching what the activist had said before – a fancier way of saying not my fault.
And he is facing obvious political perils as the year gets going. His alliance with the US president acquires a new risk after Trump's military action on Venezuela.
Based on years of interviewing Sir Keir Starmer, a ex- human rights lawyer who opposed the war in Iraq, over a long period, the thought he would be comfortable with such action seems far-fetched.
He stated he was a "lifelong proponent of international law" but the public "just lack the full picture at the moment".
Critics demanded denounce it prior to we spoke. And the administration is expected to face further scrutiny to give an explicit view in Parliament in the near future.
And there has always been simmering desire in the Labour ranks to reverse or renegotiate some of the consequences of Brexit.
Sir Keir denies he's heading in that direction, but his new more concrete commitment to integrate further with the single market – the huge economic European trading zone – will probably trigger accusations that he is going back on his vow never to try to overturn the choices that stemmed from Brexit.
A move to align with more of the single market will satisfy a faction on his side of the party, but it is easy fodder for Reform and the Conservatives to
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