Dating and examination of plaster floor sequences by micromorphology at a tell site in Greece shows when they were made and how they were composed. While numerous informal floor surfaces using recycled rubbish were put in place, as and when, by the occupants, formal floors rich in plaster seem to have been re-laid at regular intervals in reflection of a communal decision – even if the actual floors followed a recipe determined by each household. The authors rightly champion the potential of the technique as a possible indicator of social change at the household and settlement level.