Nationwide Complaints
Nationwide receives more complaints than most banks.
What customers experience
Nationwide received 141,863 complaints in the 2025-04-01 to 2025-09-30 reporting period -- that is roughly 2.0 complaints per 1,000 accounts, which is below the sector average of 8.1. Compared to other banks, Nationwide receives fewer complaints per customer.
Total Complaints
141,863
In 2025-04-01 to 2025-09-30
Rate (per 1,000 accounts)
2.0 →
Sector Average
8.1
per 1,000 accounts
Complaints by Product
| Product ↕ | Complaints ↕ | Share |
|---|---|---|
| Banking and credit cards | 129,163 | 91.0% |
| Home finance | 10,673 | 7.5% |
| Insurance & pure protection | 272 | 0.2% |
| Investments | 93 | 0.1% |
| Decumulation & pensions | 5 | 0.0% |
How does Nationwide compare?
Complaint rate per 1,000 accounts
How to Complain About Nationwide
Complaints Contact Details
Phone
0800 30 20 11Post
Nationwide Building Society, Nationwide House, Pipers Way, Swindon, SN38 1NW
Online Form
Submit complaint online →Steps to Escalate Your Complaint
Contact Nationwide complaints team
Call 0800 30 20 11, visit a branch, or use the online complaints form. Nationwide will acknowledge your complaint and begin investigating.
Wait for a final response or request a deadlock letter
Nationwide has 8 weeks to resolve your complaint. If they issue a final response you disagree with, or the deadline passes, you can escalate.
Escalate to the Financial Ombudsman Service
If your complaint is unresolved after 8 weeks, or you have a final response letter, contact the Financial Ombudsman at financial-ombudsman.org.uk or call 0800 023 4567.
Need to write a complaint letter?
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Nationwide must respond to your complaint within 8 weeks. If they don't resolve it, you can escalate to the Financial Ombudsman Service.
Bottom Line
Nationwide receives more complaints than most banks, which is worth knowing if you are thinking about switching. Existing customers who have had problems should know that the data backs up their experience -- you are not being unreasonable. Consider using our complaint letter generator below.
About This Data
Data sourced from official UK regulators for the period 2025-04-01 to 2025-09-30. Complaint rates are calculated per 1,000 accounts. Ombudsman uphold rate from the Financial Ombudsman Service. Full methodology