Sale price exceeds recent valuation. : German fund manager Commerz Real has sold the ‘Golden House’ office building in Frankfurt am Main after 30 years of ownership. Commerz Real said the office building, which has 33,000sqm of leasable space, was sold above a recent market valuation of €94.5m. The property had been in the portfolio of the open-ended real estate fund HausInvest since 1987, when it was acquired for around €86.7m.