Billionaire Akira Mori said developing energy-saving buildings in central Tokyo is the best way to benefit from Prime Minister Shinzo Abe's policies, such as boosting the capital's competitiveness.

Mori Trust Co. may seek to acquire more land after it accumulated about 10,000 tsubo, or 33,000 sq. meters, of space in the area, depending on how well Abe's growth plan is implemented, said Mori, who owns the nation's most profitable and closely held developer.

Property prices in central Tokyo will probably increase as demand remains strong for buildings that are energy efficient and have strong disaster-prevention systems, Mori said.