Queues of about 50 people at branches in the suburbs - mainly older people who don't have debit or credit cards, so need the branch.
More top news
Ed Miliband has pledged to give zero-hours workers the right to convert their contract into a regular job after three months.
More than 100 leaders have declared their support for a Conservative-led government, warning a Labour would "put the recovery at risk".
The winds will remain strong tonight and in the north showers will continue, which may turn wintry over high ground.