Hargreaves Services plc (AIM: HSP), a diversified group delivering services to the industrial and property sectors, announces that Waystone Hargreaves Land LLP, the 50:50 joint venture company developing the 650 acre (263 ha) mixed use Unity1 project, has exchanged conditional contracts with Aver Property Limited Partnership for the development and sale of two large distribution units on plots of 19 acres (8 ha) and 10 acres (4 ha).