Liz Truss and Kwasi Kwarteng are being warned not to stretch their plans for medium-term growth beyond the traditional definition of three to five years amid concerns in Whitehall that the fiscal plan may take the best part of a decade to deliver.
Downing Street insiders are privately admitting that the target of 2.5% will not be reached by the general election and could take more than the usual time period that was expected when they announced a medium-term plan.
