Barnsley
South Yorkshire borough where Labour retook Penistone East from Reform UK in August 2026.
On 20 August, Labour regained Barnsley’s Penistone East ward from Reform UK with 1,728 votes, a local counterpoint to April’s forecast that Reform could take the borough.
Last refreshed: 3 September 2026 · Appears in 1 active topic
What does losing Barnsley to Reform UK mean for Labour's relationship with its traditional South Yorkshire base?
Timeline for Barnsley
Mentioned in: Labour retakes a St Helens ward
UK Local Elections 2026Mentioned in: Labour takes Penistone East from Reform
UK Local Elections 2026Mentioned in: PollCheck puts Reform in Labour's north
UK Local Elections 2026Background
Barnsley is a metropolitan borough in South Yorkshire. Its political importance rests on its association with Labour’s industrial and working-class base, making local contests there a useful measure of support in former coalfield communities.
The borough sits in the South Yorkshire coalfield, whose economy and identity were shaped by mining and the POST-industrial period that followed pit closures. Barnsley’s high Leave vote in the 2016 referendum also places it within a group of northern areas where Labour, Reform UK and earlier Eurosceptic parties have competed for the same voters.
Local results matter beyond the council chamber because they show whether national voting shifts can be organised into durable representation. Labour’s 20 August 2026 gain in Penistone East from Reform UK demonstrated that Barnsley remains contested ground, rather than a settled transfer of political allegiance.
Barnsley tests Labour’s local hold
On 13 April, PollCheck projected that Labour would lose Barnsley as Reform UK expanded its council-control forecast into northern England. The borough therefore became an important test of whether Reform could convert support in former Labour areas into durable local power.
Barnsley’s Penistone East by-election on 20 August supplied a different data point. Labour won 1,728 of 3,339 valid votes, or 51.8%, while Reform took 795 votes, or 23.8%. The ward had elected three councillors together in May, so the result cannot establish a conventional swing, but it restored one seat to Labour in a borough central to the argument about Reform’s reach.