From Abbey National to Santander: How to Find Lost Windfall Shares.

If you had a mortgage or savings account with Abbey National in the 1980s or 90s, you likely received “windfall shares” when the building society demutualized in 1989.

Millions of people tucked these certificates away and forgot about them. Since then, the company has been bought, rebranded, and restructured. If you still hold an Abbey National certificate today, it is no longer valid—but the value behind it might be waiting for you.

The Timeline: What Happened to Abbey National?

  • 1989: Abbey National floats on the stock market. You receive paper certificates.
  • 2004: The Spanish banking giant Banco Santander acquires Abbey National.
  • The Swap: For every 1 Abbey share you held, you were entitled to 1 share in Santander (plus a small cash payment).

The “Nominee” Trap Unlike most UK shares, Santander shares are often held in a specific “Santander Nominee Service” rather than directly by you. This means you might not have a new share certificate. Instead, you have a digital entry on a register managed by Equiniti.

How to Check If You Are Owed Money Because many people didn’t respond to the 2004 takeover correspondence, a large number of holdings went dormant.

  1. Check for Dividends: Santander pays dividends in Euros or Sterling. Look for credits on your bank statement from “Santander Nominee” or cheques from “Equiniti”.
  2. Contact the Registrar: You need to contact Equiniti (who manage the Santander UK register).
    • Phone: 0371 384 2000.
    • Reference: You will need your old Abbey National account number or shareholder reference if you can find it.

Did You Miss the “ProSearch” Letter? Equiniti often uses a specialist tracing agency called ProSearch to find lost Santander shareholders. If you received a letter from them, it is legitimate. However, they charge a fee (often 10%+) to recover your assets.

The Divica Way You can often bypass these fees by contacting the registrar directly. Use Divica to generate the correct Letter of Authority for Equiniti, proving your identity and claiming your entitlements without the middleman fee.