EXHIBIT 13.1

The certification set forth below is being submitted in connection with the annual report on Form 20-F (the “Report”) for the purpose of complying with Rule 13a – 14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code.

Sir Fred Goodwin, the Group Chief Executive, and Frederick Inglis Watt, the Group Finance Director, of National Westminster Bank Plc, each certify that, to the best of his knowledge:

1. the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of National Westminster Bank Plc.

Date: 9 May 2005

/s/ Sir Fred Goodwin

Name: Sir Fred Goodwin

Group Chief Executive

/s/ Fred Watt

Name: Frederick Inglis Watt

Group Finance Director