FORM 6-K

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Report of Foreign Issuer

Pursuant to Rule 13a-16 or 15d-16 of

Securities Exchange Act of 1934

For the month of March 2008

ABBEY NATIONAL PLC

(Translation of registrant's name into English)

Abbey National House, 2 Triton Square, Regent’s

Place, London NW1 3AN, England

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F . . . .X. . . . Form 40-F . . . . . . . .

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes . . . . . . . No . . .X. . . .

INTRODUCTION

Abbey National Treasury Services Plc published its Annual Report, for the year ended 31 December 2007, on the 5^th March 2008 and is therefore providing its AIU for the 12 months up to and including 27^th March 2008. In accordance with the requirements of the Prospectus Rule 5.2, this update refers to all information that has been published over the 12 months ended on 27^th March 2008, information is referred to rather than included in full.

The information in this up date was up to date at the time the information was published but some information may now be out of date.

We are publishing the AIU via an RIS today.
ALL RNS ANNOUNCEMENTS (INCLUDING 6K'S ETC)
All of the announcements listed below were announced either by RNS or Business Wire. Time/Date Headline

Copies of the above announcements can be downloaded from the London Stock Exchange website (www.londonstockexchange.co.uk).

ALL COMPANIES HOUSE FILINGS

All of the documents listed below were filed with Companies House England & Wales and were received on the dates indicated.

Copies of documents filed at Companies House are available from Companies House or through Companies House Direct at www.direct.companieshouse.gov.uk
ANY PROSPECTUS' PRODUCED
All of the documents listed below were filed with the UKLA Document Viewing Facility and were filed on the dates indicated.

FURTHER INFORMATION

Further information regarding the Company and its activities can be found on the Abbey website http://www.aboutabbey.com

Contacts:

Shaun Coles, Deputy Company Secretary
Abbey National plc, 2 Triton Square
Regent’s Place, London, NW1 3AN

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.