"phase","period","description" 1,,"Natural deposition of clays and gravels laid down by alluvial action" 2,"Medieval","Earliest signs of human activity" 3,"16th century","Mainly agricultural activity." 4,,"Horticultural activity" 5,"17th century", 6,, 7,, 8,"18th century","Construction and use of a house, an associated external cobbled yard, and the laying out and use of a garden, all within the same property" 9,"mid 19th century","Renovation and modernisation to the structure no. 446, the drainage system and the garden" 10,,"Cobbling over of the garden area in trench 1" 11,"late 19th century","Division of the southern property and the construction of a new building in the newly created property which, had been the cobbled surface of the previous phase" 12,"1930's","Demolition material resulting from destruction of buildings" 13,,"Earliest structural remains and evidence for occupation in trench 2" 14,"late 19th century","Nineteenth century renovation and improvement to building no. 218 in trench 2 (south). Both internal and external drains were built and the floor raised and re-laid with ceramic tiles" 15,"late 19th century","Eighteenth and nineteenth century landscaping works in trench 2 (north)"