Exhibit 23.1 PRICEWATERHOUSECOOPERS PWC PricewaterhouseCoopers LLP Southwark Towers 32 London Bridge Street London SE1 9SY Telephone +44 (0) 20 7583 5000 Facsimile +44 (0) 20 7822 4852 www.pwc.com/uk CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in this Granite Master Issuer Series 2006-3 US Prospectus Supplement dated September 15, 2006, comprising part of Granite Master Issuer plc Registration Statement on Form S-3 of our report dated March 9, 2006, except for the last paragraph of Note 51, as to which the date is March 29, 2006, relating to the financial statements of Barclays PLC and Barclays Bank PLC, which appears in the 2005 Annual Report to Shareholders of Barclays PLC, which is incorporated by reference in the combined Annual Report on Form 20-F for Barclays PLC and Barclays Bank PLC for the year ended December 31, 2005. We also consent to the reference to us under the heading "Independent Registered Public Accounting Firm" in such Prospectus Supplement. Yours faithfully /s/ PRICEWATERHOUSECOOPERS LLC PricewaterhouseCoopers LLP London, England September 15, 2006 PricewaterhouseCoopers LLP is e limited liability partnership registered in England with registered number OC3O3525. The registered office of PricewaterhouseCoopers LLP is 1 Embankment Place, London WC2N 6RH. Price waterhouseCoopers LLP is authorised and regulated by the Financial Services Authority for designated investment business.