You can get in touch online, by phone, or at a branch.
Our FAQs answer common questions about savings, ISAs, Lifetime ISAs, and mortgages. You can also find out how to add money or move money between your accounts.
We want to make our communications accessible to everyone. Alternative formats are available on request, including large print, braille, and audio correspondence.
| Savings accounts | 0345 734 4345* | (Mon to Fri, 8am to 6pm) |
| Business savings | 0345 609 9292* | (Mon to Fri, 9am to 5pm) |
| Mortgages | 0345 601 0014* | (Mon to Fri, 9am to 5pm) |
| Solicitor questions | 0345 600 4346* | (Mon to Fri, 9am to 5pm) |
| Mortgage payment difficulties | 0345 702 3083* | (Mon to Thu, 9am to 6pm and Fri, 9am to 5pm) |
| Newcastle Financial Advisers | 0345 600 4330* | (Mon to Fri, 9am to 5pm) |
The quickest way to tell us is to call or visit a branch. If you think you are a victim of fraud, you should also tell the police. You should also check your credit file. This shows if someone has tried to take out a loan in your name.
| Savings | 0345 734 4345* | (Mon to Fri, 8am to 6pm) |
| Business savings | 0345 734 4345* | (Mon to Fri, 9am to 5pm) |
| Mortgages | 0345 601 0014* | (Mon to Fri, 9am to 5pm) |
Relay UK
We welcome calls through Relay UK, an accessible service for customers who are deaf, hard of hearing or have speech difficulties.
Relay UK enables telephone conversations through a Relay Assistant who relays messages between you and us. The service is free to use, with only your usual call charges applying.
Download the Relay UK app or use a Relay UK textphone to get started. Messages are exchanged in real time, making communication simple and accessible.
Other ways to get in touch
To email us, please use our online contact form.
Note: We cannot give out account details by email. If you need help, leave your phone number and we will call you back. Or you can call us on 0345 734 4345* (Mon to Fri, 8am to 6pm).
If you have an online account you can send us a secure message. This is safer than email. It lets us answer questions about your private account details.
Use our branch finder to see where your local branch is.
Newcastle Building Society, 1 Cobalt Park Way, Wallsend, NE28 9EJ.
If you aren't happy, please visit our complaints page.
I want to...
Book an appointment
Arrange to speak to someone in a branch or over the phone.
Open a savings account
Look at our savings options.
Get financial advice
A Newcastle Financial Adviser is here to help you with your money.
Newcastle Building Society introduces to Newcastle Financial Advisers Limited for advice on investments, pensions, life and protection insurance, and inheritance tax planning. Aspects of inheritance tax planning are not regulated by the Prudential Regulation Authority nor the Financial Conduct Authority. Newcastle Financial Advisers is a trade name of Newcastle Financial Advisers Limited which is an appointed representative of The Openwork Partnership a trading style of Openwork Limited which is authorised and regulated by the Financial Conduct Authority.
Approved by The Openwork Partnership on 13/05/2026.
