Building blocks of everyday life, from the NHS to roads to libraries, have been eroded by Tory underinvestment

• UK general election live: latest updates

Thursday’s general election looks likely to be a historic pivot: one of those long-remembered moments when the established order at Westminster is swept away by what Jim Callaghan, the victim of one such shift in 1979, called a “sea change in politics”.

Yet as Guardian reporters fanned out across the UK during the campaign to spend time talking to voters and non-voters in 15 varied constituencies for the Path to power series, they found precious little hope that things will be different come 5 July.