In today’s newsletter: As boarded‑up units spread from coastal towns to former industrial centres, a new Guardian investigation reveals how our high streets have become a litmus test for public frustration and political choices
Newton Aycliffe was meant to be a model town for a fairer postwar Britain. But unaffordable rents on a high street amounting to 0.12% of its property tycoon owner’s holdings have made it a symbol of decline – and a warning for Labour