Thread summary by Brendan Burgess Walter Odlum & Co, Solicitors have set up a group to take action on this issue against PTSB. The Ombudsman has found in favour of PTSB in one case. The High Court agreed with the Ombudsman. What happens if you refuse to pay the higher interest rate and go into arrears? If Walter Odlum wins his case, will all PTSB borrowers benefit or just Odlum's clients?