EXCLUSIVE: As Britain's big bank prepare to announce a round of bumper half year profits, critics argue a windfall could pay for the government's cost of living crusade

The scale of the bonanza will be laid bare this week when Lloyds, NatWest and Barclays unveil their latest results.

EXCLUSIVE: As Britain's big bank prepare to announce a round of bumper half year profits, critics argue a windfall could pay for the government's cost of living crusade