BankConductIndex

Issues ›

Interest and rates

Rate changes, interest wrongly applied, or rate terms not honoured.

7,490banking decisions on this issue
20.4%upheld where an outcome is recorded
39firms with 20+ decisions here

Rules the ombudsman applied

Derived from the rules actually cited in these decisions, ranked by how often they appear — not from an editorial view of which rules matter.

Consumer Credit Act 1974 · cited in 320

Consumer credit rights, including Section 75 joint liability for card purchases.

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FCA DISP (Dispute Resolution) · cited in 145

How firms must handle complaints and how the Ombudsman decides them.

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FCA Consumer Duty (PRIN 2A) · cited in 94

Requires firms to deliver good outcomes for retail customers.

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FCA CONC (Consumer Credit sourcebook) · cited in 89

Conduct rules for consumer credit, including affordability and arrears handling.

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FCA BCOBS (Banking Conduct of Business) · cited in 50

Conduct rules for retail banking services.

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Equality Act 2010 · cited in 24

Duties toward customers with protected characteristics, including reasonable adjustments.

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Which firms lose on this

FirmDecisionsUpheldUphold rate
Bank of Scotland Plc3736116.4%
Santander UK Plc3276820.8%
Barclays Bank Plc2354117.4%
National Westminster Bank Plc1944824.7%
Lloyds Bank PLC1793519.6%
Nationwide Building Society1604427.5%
Barclays Bank UK PLC1504832.0%
HSBC Bank plc1382215.9%
TSB Bank plc1293930.2%
MBNA Limited111119.9%
Bank of Ireland (UK) Plc1031615.5%
HSBC UK Bank Plc912527.5%
West Bromwich Mortgage Company Limited8600.0%
Clydesdale Bank Plc822226.8%
Virgin Money plc771418.2%
NewDay Ltd761823.7%
Tesco Personal Finance Limited741013.5%
Shop Direct Finance Company Limited581017.2%
Yorkshire Building Society421023.8%
Mortgage Express4124.9%
Halifax Limited36513.9%
Creation Consumer Finance Limited361130.6%
Co-operative Bank Financial Advisers Limited36719.4%
NRAM Limited3326.1%
Sainsbury's Bank Plc33618.2%
Vanquis Bank Limited331133.3%
Capital One (Europe) plc3239.4%
Leeds Building Society31516.1%
Firstplus Financial Group Plc3026.7%
Landmark Mortgages Limited30620.0%
Lloyds TSB Bank Plc29517.2%
American Express Services Europe Limited28621.4%
Skipton Building Society28517.9%
Elderbridge Limited271244.4%
Kensington Mortgage Company Limited261453.8%
Northern Rock (Asset Management) plc25416.0%
Shawbrook Bank Limited23626.1%
Topaz Finance Limited2214.5%
Mortgage Agency Services Number Five Limited201470.0%

Firms with fewer than 20 decisions on this issue are excluded — the rate would not mean anything.

In the ombudsman’s words

Mr H complains that TSB Bank plc has reduced the interest rate payable on his current account, having previously said that it wouldn’t do so.
— decision DRN9999368, TSB Bank plc
suppressed the accrual of interest on the outstanding loan balance
— decision DRN9998261
gave her false information about what interest rate she would receive
— decision DRN9993865, Nationwide Building Society
the interest charged was correct
— decision DRN9988527, Bank of Scotland plc

Quotes are shown only where the exact wording was verified against the decision text.