The deal on offer involves cutting drivers' working hours by 2.5 hours a week, putting them on a four-day, 35-hour week. They would also get a 4.5 per cent pay increase, twice the rate of inflation.

London Tube drivers have been presented with a “ground-breaking” offer including a four-day workweek and paid meal breaks - done to prevent last week's strikes that had the potential to cripple the capital.