A planned visit to Scotland by Andy Burnham has drawn an allegation from one SNP figure that the trip is timed to overshadow the party's annual conference that week. Shirley-Anne Somerville argued that the Prime Minister's trip to Scotland reflected a lack of confidence in his ability to persuade Scottish voters of his position.

On Friday, Burnham is due to deliver a speech — timed to fall on the second day of the SNP's Aberdeen gathering — in which he plans to argue that Holyrood ought to devolve a greater share of its powers down to local government. Burnham's visit to Scotland falls on the Friday before Swinney takes the stage at the SNP gathering to deliver his keynote address to party members.

The Labour leader's trip to Scotland carries political weight, coming on the heels of his stated pledge to demonstrate that John Swinney's position on the Union's future is mistaken. The SNP leader put forward a view, in the preceding month, that Burnham could be the final Prime Minister to govern a United Kingdom in its present form — a position informed by the fact that each of the devolved assemblies in Edinburgh, Belfast, and Cardiff is currently operating under a minority government with a nationalist orientation.

At the Labour Party's Liverpool gathering earlier this month, Burnham put forward the view that Britain stood for "solidarity not separation" and pledged to work toward reversing that trend. Invoking his late father Roy by name, the Prime Minister expressed the view that the version of the United Kingdom Roy had stood for remained the one he personally held to.

Brown, who holds the deputy leadership of the SNP, put forward a formal invitation for the Prime Minister to attend the party conference and take part in talks on how a second independence referendum might be arranged, though no response to the offer appears forthcoming.

Somerville, serving as Social Justice Secretary, described the SNP as being in strong spirits following the party's fifth consecutive Holyrood election victory in May, and expressed enthusiasm about attending an event to discuss both independence and the Scottish Government's work, while also looking ahead to next year's local elections. The MSP also suggested that Andy Burnham's presence indicated an attempt to draw attention away from the SNP's platform.

The timing of Andy Burnham's appearance in Scotland — coinciding with the SNP conference, and representing one of very few such visits — has prompted some observers to question whether his message resonates with Scottish voters, while others argue it reflects a degree of confidence on the SNP's part.

Burnham had been called upon the previous month to clarify comments delivered in the House of Commons, in which he drew a parallel between the route to a second Scottish referendum and the agreed legal process for an Irish border poll, describing the two as identical. In a subsequent statement, the Prime Minister indicated that separation was not a position held.

The Northern Irish Secretary holds the power, under the terms of the 1998 Good Friday Agreement, to call a border poll at a time of their choosing — so long as no such vote has taken place within the preceding seven years. Under the legislation, a legal obligation falls on the Secretary of State to call a border poll whenever available evidence points toward majority support among Northern Ireland residents for unification with Ireland.

Burnham had previously indicated his intention to honour the pledge contained in his party's 2024 manifesto, which set out opposition to Scottish independence and to holding any fresh referendum on the matter.