The mobile banking app and internet banking are down at Britain’s biggest building society.
Nationwide’s online services have been offline since around 3pm on Tuesday.
It apologised “for any problems this may cause”.
“We’re working to get things back to normal as quickly as we can,” it added.
Money blog: Deodorant brand tells customers to stop using some products
Direct debits and standing orders are working normally, and customers can still use cards online and in shops, withdraw money from cash machines and receive payments.
Initially, Nationwide said some customers were unable to access the app or internet banking and told users to try again later.
This breaking news story is being updated and more details will be published shortly.
Please refresh the page for the fullest version.
You can receive breaking news alerts on a smartphone or tablet via the Sky News app. You can also follow us on WhatsApp and subscribe to our YouTube channel to keep up with the latest news.
Content Source: news.sky.com