We know this can feel like a big step. We are here to make it as simple and straightforward as possible. 

A Power of Attorney lets someone you trust help with your money and accounts or manage them for you. This page explains what it is, how to register it with us, what we need, and what happens next. 

Registering a Power of Attorney 

Before an attorney can use your accounts, you need to register the Power of Attorney with us. 

Please send us: 

You can bring these to a branch or send them to us by post. 

We may also need: 

  • Proof of identity and address for each attorney 

We will let you know if we do. 

Visit a branch 

Branch Finder 

By post 

Write to us: 
Newcastle Building Society 
1 Cobalt Park Way 
Wallsend 
NE28 9EJ 

You can register a Power of Attorney on: 

  • An existing savings account 
  • An existing mortgage account 
  • When opening a new savings account 

What happens next 

When we receive your documents, we will check them and confirm who can act on the account. If we need anything else, we will tell you. 

We will explain the next steps clearly. If you need extra help, we will do our best to support you and explain any help we can offer.

Frequently asked questions

Handy definitions 

Donor: The person who makes the Power of Attorney. 
Attorney: The person chosen to act for the donor. 
Mental capacity: Being able to make a decision when it needs to be made. 
Certified copy: A copy checked and signed as a true copy of the original document. 

Need more help? 

You may find these websites useful for more information and support. 

Government guidance can help you understand Power of Attorney, Deputyship and what to do next. 

The Office of the Public Guardian has more information about making and using a Power of Attorney.