Firm analysis

Nationwide Building Society complaint analysis

A public analysis page covering published Financial Ombudsman decisions involving Nationwide Building Society, including outcome context, product mix, complaint themes, and representative cases.

Published decisions

12,996

Firm-specific decision volume in the public corpus

Upheld rate

22.8%

2,957 upheld decisions

Page summary

12,996 published decisions involving Nationwide Building Society, with product mix, upheld-rate context, complaint themes, precedent signals, and representative cases.

Published decisions

12,996

Firm-specific decision volume in the public corpus

Upheld rate

22.8%

2,957 upheld decisions

Latest published decision 17 Mar 2026

How to use this page

Read the metrics first, then the ranked view.

The top-line cards show scale and outcome context. The ranked view and representative decisions show where the slice is concentrated and what the published decision set actually looks like.

Published decisions

12,996

Firm-specific decision volume in the public corpus

Upheld rate

22.8%

2,957 upheld decisions

Leading product

Payment protection insurance (PPI)

5,679 decisions

Leading complaint theme

Delay In Claim Handling

1,032 tagged decisions

Nationwide Building Society at a glance

Analysis

Nationwide Building Society appears in 12,996 published decisions in this corpus. 22.8% of those decisions were upheld, which gives a public view of how often complaints involving this firm ended in a fully upheld outcome in the final published set.

Payment protection insurance (PPI) is the firm’s clearest product exposure in the published decisions, with 5,679 decisions and an upheld rate of 23.1%.

  • Latest active year in the published data: 2026 (51 decisions)
  • Most common complaint theme: Delay In Claim Handling
  • Most common precedent signal: Consumer Credit Act 1974

Volume and outcome trajectory

Analysis

Nationwide Building Society's decision trail runs from 2013 to 2026. That range gives enough public history to see whether complaint exposure has been broad-based or concentrated into certain years.

In the latest year represented here, Nationwide Building Society appeared in 51 published decisions with an upheld rate of 21.6%.

  • 2026: 51 decisions, 21.6% upheld
  • 2025: 779 decisions, 26.2% upheld
  • 2024: 655 decisions, 29.3% upheld
  • 2023: 570 decisions, 27.0% upheld
  • 2022: 591 decisions, 20.8% upheld

Themes, products, and precedent signals

Analysis

Delay In Claim Handling is the strongest complaint-theme signal tied to Nationwide Building Society in the published decisions. In this corpus, those themes are the most stable public proxy for complaint “type”.

Consumer Credit Act 1974, Section 75 Cca, Disp, and others are the most visible precedent signals in the firm’s published decisions. That gives extra context on the rules and fairness arguments appearing most often around the firm.

  • Payment protection insurance (PPI): 5,679 decisions
  • Second complaint theme: Affordability Assessment Failure
  • Second precedent signal: Section 75 Cca

Representative cases

Recent published decisions in this slice

5 examples shown

DRN-605591217 Mar 2026Not upheld

Nationwide Building Society · Banking and Payments

My final decision is that I do not uphold this complaint. Under the rules of the Financial Ombudsman Service, I’m required to ask Mr T and Mrs T to accept or reject my decision before 14 April 2026.

View source decision
DRN-609042517 Mar 2026Not upheld

Nationwide Building Society · Banking and Payments

My final decision is that I don’t uphold Mr T’s complaint. Under the rules of the Financial Ombudsman Service, I’m required to ask Mr T to accept or reject my decision before 14 April 2026.

View source decision
DRN-615678917 Mar 2026Upheld

Nationwide Building Society · Mortgages

My decision is that I uphold this complaint. I order Nationwide Building Society to pay £250 to Mr and Mrs S in total.

View source decision
DRN-616539717 Mar 2026Not upheld

Nationwide Building Society · Banking and Payments

I don’t uphold Mr C’s complaint against Nationwide Building Society. Under the rules of the Financial Ombudsman Service, I’m required to ask Mr C to accept or reject my decision before 14 April 2026.

View source decision
DRN-622730517 Mar 2026Not upheld

Nationwide Building Society · Banking and Payments

Because of the reasons given above and in my provisional decision, I don’t uphold this complaint. Under the rules of the Financial Ombudsman Service, I’m required to ask Mr R to accept or reject my decision before 14 April 2026.

View source decision