Brookfield Multiplex has not ruled out that the company plans to list $4bn worth of office property in 2010.

Brookfield Multiplex spokeswoman Kerry Muskens did not rule out the possibility of an initial public offering for the property portfolio. "I can't confirm or deny," she said.

But investment bankers have questioned whether the current equity market could support a $4bn property float.

"I understand they would like to list the vehicle, but I can't see how it can succeed for many reasons, including the valuation of the property," said a source familiar with the assets.

The Australian