Property advisor Savills has said it acted for Spanish bank BBVA in the sale of office space in Madrid to a family office investor. The investment volume of EUR 5.4 mln reflects a 6% yield. The first floor office, located in prime Madrid at 35 Nuñez de Balboa, comprises 1,379 m[sup]2[/sup] with two parking spaces. Manuel Santos, director of national investments in capital markets at Savills, said: 'Sale-and-leaseback transactions remain popular in prime locations where the prospective tenant's credit and terms of the contract allows for a mutually beneficial deal for both parties.'