Which way we face and how this effects our energy consumption. Gain knowledge of the lake, ditches and roads that make up HHP. What to consider in your landscape development. Hockerton Housing Project (HHP) was built on a greenfield site to the southeast of Hockerton village. The land was essentially agricultural with some concerns about potential archeological finds. This factsheet sets out the potential of the site, in terms of location and natural resources, and the experience of the excavation phase.