The group said the new charge was being introduced to replace its previous Mortgage Exit Administration Fee
, which it scrapped in July last year following pressure from City watchdog the Financial Services Authority on lenders over exit charges.
A spokesman for MHB Solicitors (Wales), which runs a specialist legal research team, said: "Now that Ms Brown's case has been scheduled in the High Court, we would like to hear from people who were charged Mortgage Exit Administration Fees
between 2000 and 2008, especially those whose lender was Birmingham Midshires.
Mortgage Exit Administration Fees
(Meafs) kick in when a customer moves their mortgage to another lender or pays off their loan.
Mortgage exit administration fees
kick in when customers pay off their mortgage or move to another lender.