PollCheck, a poll-aggregation projection model, extended its Reform UK council-control forecast from three rural counties to five on 13 April, adding Sunderland and Wakefield metropolitan boroughs to the existing Essex, Norfolk and Suffolk projection . 1 Reform is now projected to win 38 of 63 seats in Wakefield and to take Sunderland outright; Labour is projected to lose both, alongside Wigan and Barnsley.
The structural change here is geographic, not arithmetic. Essex, Norfolk and Suffolk are rural Leave-voting counties where the demographic fit with Reform was visible a year ago. Sunderland and Wakefield are Labour's industrial base, the wards Labour used to count without counting. A projection that crosses that line is qualitatively different from one that does not.
Caveat the methodology. PollCheck applied a council-specific override on Sunderland because its uniform-swing assumption, the standard model that vote shifts proportionally across constituencies, was under-projecting Reform there. An override is a modelled correction, not a new poll. The projection is evidence of fit, not of a result; readers should hold both at once.
