EX-23.1 8 h10818exv23w1.txt CONSENT OF ERNST & YOUNG LLP Exhibit 23.1 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the Registration Statements (Forms S-8 and S-4 File Nos. 333-67113, 333-45447, 333-45449, 333-91041, 333-31608, 333-32624, 333-50031, 333-62636 and 333-68274) of Integrated Electrical Services, Inc. of our report dated October 31, 2003, with respect to the consolidated financial statements of Integrated Electrical Services, Inc. included in this Annual Report (Form 10-K) for the year ended September 30, 2003. ERNST & YOUNG LLP Houston, Texas November 24, 2003