EXHIBIT 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the Registration Statements File Nos. 333-11067, 333-15907, 333-17021, 333-23035, 333-37247, 333-37383, 333-41603, 333-58045, 333-68505, 333-76379, 333-76757, 333-82134, 333-82569, 333-84419, 333-88813, 333-88819, 333-91621, 333-115693 and 333-115694 of General Growth Properties, Inc. on Form S-3 and the Registration Statements File Nos. 33-79372, 333-07241, 333-11237, 333-28449, 333-74461, 333-79737 and 333-105882 of General Growth Properties, Inc. on Form S-8 of our report dated March 10, 2004 (December 13, 2004, as to Notes 2, 7, 14, 15, and 16) (which report expresses an unqualified opinion and includes an explanatory paragraph relating to the change in method of accounting for derivative instruments and hedging activities in 2001 and the change in accounting for debt extinguishment costs in 2003) appearing in this Current Report on Form 8-K. Deloitte & Touche LLP Chicago, Illinois December 20, 2004