1. After logging in, simply go to "My Bills & Payments".
2. In the menu, select "Change my billing options".
3. Click "Edit" beside "Bank account".
4. Just edit your information, and off you go.
Name changed due to Marriage or Divorce
To change your name in Direct Debit, you will need to inform your bank. They will send your details to Virgin Media, and we'll take it from there.