Present invention relates to a storage and retrieval facility for storing and retrieving items (3) to and from an overhead storage area comprising a conveyor vehicle (1) for transporting the items (3) to and from the storage said conveyor vehicle (1) is equipped with a detachably integrated elevator (2) to lift the items (3) on the vehicle (1) and then carrying them to the storage area and also to lift the items (3) one above the other in the storage area and vice versa and in that the vehicle (1) is equipped to run in straight lines and change directions, wherein the conveyor vehicle (1) is a rail guided vehicle which is equipped to move along a network of rails comprising straight rails (4) and turning plates (5), the rails being mounted to an attic floor or directly on ceiling joists or on the plenum space above a dropped ceiling.