The detailed report of excavations undertaken at Oversley Farm (on the edge of Styal, in Macclesfield, Cheshire, England) in advance of the construction of Manchester Airport??s second runway in 1997-8. Contents: Chapter 1: Introduction; Chapter 2: The Neolithic period; Chapter 3: The Early Bronze Age; Chapter 4: The Later Prehistoric Period; Chapter 5: The Romano-British Period; Chapter 6: The Medieval Period; Chapter 7: The Post-Medieval Period; Appendix A: the Prehistoric pottery fabric types; Appendix B: a note on the lithics analysis; Appendix C: the residue analysis of the pottery; Appendix D: the Palaeoenvironmental analysis; Appendix E: the industrial residues; Appendix F: the petrology of the lithics.This report details excavations carried out in 1997-98 prior to the building of the second runway at Manchester Airport. The evidence recovered demonstrates a reuse of the site from the Early Neolithic period onwards, primarily as a small agriculturally-based 'farmstead', probably heavily dependent upon livestock-farming, particularly sheep.