Labour's favourite think-tank has issued a laundry list of tax options designed to raise sums on the scale Ms Reeves appears to require. The onslaught could include extending the hated freeze on tax thresholds by another two years, milking £7.5billion extra from hard-working Brits. According to ITV, the OBR is expected to reduce forecasts for annual productivity growth by around 0.2 percentage points. 'The opening of this fantastic new headquarters in Canary Wharf also, I believe, marks a further vote of confidence in the UK economy and in our future.' But it is then seen as dropping to 1 per cent in 2026 as higher tax and spending cuts squash activity, adding to a hit from US President Donald Trump's tariff hikes.