Exhibit
23.1
Consent
of Independent Registered Public Accounting Firm
We hereby consent to the incorporation by reference in this Registration Statement on Form F-4 of
our report dated June 27, 2008 relating to the financial statements, which appears in James Hardie
Industries N.V.s Annual Report on Form 20-F for the year ended March 31, 2009. We also consent to
the reference to us under the heading Experts in such Registration
Statement.
/s/ PricewaterhouseCoopers LLP
Los Angeles, California
July 15, 2009