Overview
- Burnham won the Makerfield by-election by a wide margin, taking about 54% of the vote to Reform UK’s roughly 35% in a contest reported on Friday that drew a turnout near 58.7%.
- By reclaiming a Commons seat Burnham becomes eligible under Labour rules to seek the party leadership, a step many commentators say makes a challenge to Keir Starmer likely rather than hypothetical.
- Party rules require 20% of Labour MPs — about 81 nominators — to back a single challenger to trigger a formal leadership contest, so Burnham now needs to secure parliamentary support to force a vote.
- Starmer has publicly congratulated Burnham and offered him a government role while insisting he will defend his leadership, leaving open whether the change will be negotiated or contested on the floor of the House.
- The result matters politically because Makerfield is demographically similar to northern, post‑industrial seats where Reform has grown, so Burnham’s win is read as proof his style of northern, place‑based politics can reclaim voters and reshape Labour’s path to 2029.