The sales in the three months ended Dec. 31 reaped 5.6 percent more than the commercial properties' estimated value at the start of the quarter, the London-based company said in a statement today. Land Securities, the world's fourth-largest real estate investment trust, has already leased 93 percent of the 241,700 square meters (2.6 million square feet) of development space due for completion in fiscal 2008.