UK homeowners have been issued an urgent warning as mortgage rates are projected to climb to 4.5 per cent by 2027, according to the latest figures. The warning follows the bleak outlook on Britain’s economy over the coming years with growth reaching a lacklustre 1.4 per cent in 2026. In its latest report, the National Institute of Economic and Social Research explained that the country could post economic growth of just 0.4 per cent next year if Trump implements the tariffs he promised, said Ahmet Kaya, principal economist at NIESR. During a presentation of NIESR’s latest forecasts, Kaya said:…