Analysis: Burnham keeps Heathrow position open as ministers argue for expansion

Verified facts: - Andy Burnham declined to say whether he supports a third runway at Heathrow in interviews at the start of the Labour Party conference. - He said the issue was “principally” a matter for London and Londoners, later acknowledging that it also affected the wider country. He said he did not want to prejudge a consultation or any potential planning decision. - The supplied reports say the Government is reviewing consultation responses and has not yet set out its final response. - Treasury minister James Murray, Business Secretary Jonathan Reynolds and growth minister Dan Tomlinson expressed support for Heathrow expansion. Murray told the Press Association that it would support jobs, trade, investment and economic growth across the UK. Reynolds cited the need for a global top-tier airport and links with growing Asian cities. - The project is estimated in the supplied reports to cost £33 billion, including £1.5 billion to move the M25, and is expected to be privately financed. It would raise capacity to 756,000 flights and 150 million passengers a year. - Rachel Reeves previously suggested the runway could open in 2035. Airport bosses have reportedly told ministers that this timetable is not achievable; Heathrow aims to secure planning permission by 2029 and considers construction within a further decade reasonable.

Interpretation: Burnham’s refusal to endorse or reject the project leaves his position politically unresolved while other ministers are making the economic case for expansion. His stated emphasis on consultation and planning independence suggests that he is seeking to avoid committing before the process is complete, rather than announcing opposition. The evidence does not establish whether he will ultimately support the runway.

The central tension is between ministers’ argument that Heathrow is strategically important to the whole UK and Burnham’s insistence that local views and due process must be respected. The reports also indicate that the project’s timetable is under pressure, although the evidence does not establish the cause of the delay beyond airport bosses saying the 2035 target is not possible.