Exhibit 23.1


             Independent Registered Public Accounting Firm's Consent
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The Board of Directors
Platinum Underwriters Holdings, Ltd.:

We consent to the incorporation by reference in the registration statements
(No. 333-104257) on Form S-8 and (No. 333-113823) on Form S-3 of Platinum
Underwriters Holdings, Ltd. and subsidiaries ("Platinum") of our reports dated
February 25, 2005, with respect to the consolidated balance sheets of Platinum
as of December 31, 2004 and 2003, and the related consolidated statements of
income and comprehensive income, shareholders' equity and cash flows for the
years ended December 31, 2004 and 2003, and the period April 19, 2002 (date of
inception) to December 31, 2002, and related financial statement schedules,
management's assessment of the effectiveness of internal control over financial
reporting as of December 31, 2004, and the effectiveness of internal control
over financial reporting as of December 31, 2004, which reports appear in the
December 31, 2004, annual report on Form 10-K of Platinum.

/s/ KPMG LLP
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New York, New York
March 16, 2005