Probate usually works like this: After your death, the person you named in your will as executor—or, if you die without a will, the person appointed by a judge—files papers in the local probate court. The executor proves the validity of your will and presents the court with lists of your property, your debts, and who is to inherit what you've left. Then, relatives and creditors are officially notified of your death.
A will includes the appointment of an executor or executors. One of their duties is to apply to the Probate Division of the High Court for a grant of probate. An executor can apply to a local probate registry for a grant themselves but most people use a probate practitioner such as a solicitor. If an estate is small, some banks and building societies allow the deceased's immediate family to close accounts without a grant, but there usually must be less than about £15,000 in the account for this to be permitted.
When Aretha Franklin died intestate—without a legal will—in 2018, she joined a surprisingly long list of famous people, including Prince, who also did the same. By not preparing the documents, she made the task of settling her affairs more complicated for her survivors. While your estate may not be as large or complex as a famous singer's, it's still important to have a plan in place in the event of your death.