Fresh details on price rises and wage growth this week are expected to underline the rising pressures on UK household budgets as the pound’s sharp fall since the Brexit vote continues to stoke inflation. The Bank of England has warned the economy’s main engine of growth, consumer spending, will lose momentum this year as rising living costs eat into people’s budgets. Economists expect official figures on Tuesday will vindicate those worries, with inflation forecast to have reached its highest level for more than three years in March.