More than 150,000 Northern Rock customers will receive hundreds of pounds each in refunds over incorrect paperwork in loan deals.
The mistake was not spotted for five years.
ITV News' Business Editor Laura Kuennsberg reports.
After Northern Rock announced £270 million-worth of refunds to 152,000 customers, could Virgin Money also be set for a payout?
Will Northern Rock send you money? What have they done wrong? And, what should you do now? Our Consumer Editor answers the key questions.
Some 152,000 Northern Rock customers will get a total of £270 million compensation after a small but costly mistake.